ライフサイエンスコーパス: phenylene

1 tetracationic cyclophane cyclobis(paraquat-p-phenylene).

2 red submicrometric molecular wires of poly(p-phenylene).

3 hat of poly(cyclohexadiene) more than poly(p-phenylene).

4 e ortho position is relaxed relative to poly(phenylenes).

5 thanide cations and sensitizers derived from phenylene.

6 rmonomers of pyrrole phenylenes or thiophene phenylenes.

7 ceeds efficiently, inducing folding of the o-phenylenes.

8 and for rearrangement mechanisms for several phenylenes.

9 2N)PPn (+350 mV) with increasing number of p-phenylenes.

10 diethynylaromatic bridging ligands (Ar = 1,4-phenylene, 1,4-naphthylene, 9,10-anthrylene) have been p

11 internal bond structure of individual oligo-(phenylene-1,2-ethynylenes) on a (100) oriented silver su

12 velopment of poly(2,5-di(3',7'-dimethyloctyl)phenylene-1,4-ethynylene) (PPE) Pdots as a platform for

13 scovery that MV(+*) and [cyclobis(paraquat-p-phenylene)](2(+*)) (CBPQT(2(+*))) form a strong 1:1 host

14 3)2-C[triple bond]C-Ph(OR)3], where Ar = 1,4-phenylene, 2,5-thienylene, or bis-2,5-(S-2-methylbutoxy)

15 ), the p-bromobenzyloxy derivative 3b, bis(m-phenylene)-32-crown-10 (5), cis(4,4')-dibenzo-27S-crown-

16 Two novel bis(m-phenylene)-32-crown-10-based cryptands, one bearing cova

17 ate the dynamic covalent assembly of short o-phenylenes, a simple class of aromatic foldamers, into t

18 The synthesis of new heterocyclic oligo(phenylene) analogues based on soluble, nonaggregating 1,

19 henyl and I-atom(#1), and the second yielded phenylene and I-atom(#2).

20 tor mediated by the sigma/pi-systems of para-phenylene and methyl-substituted para-phenylene bridges

21 hienylene, or bis-2,5-(S-2-methylbutoxy)-1,4-phenylene and R = n-C12H25 gel hydrocarbon solvents at c

22 The former include the rotations of the phenylene and the bipyridinium ring systems around their

23 The resulting [3 + 3] macrocycles (three o-phenylenes and three linkers) are shape-persistent, tria

24 Compounds with both cross-conjugated (m-phenylene) and linearly conjugated (2,5-thiophene) bridg

25 ferent beta values determined for oligo(para-phenylene) and oligo(2,5-thiophene) are due primarily to

26 etracationic cyclophane, cyclobis(paraquat-p-phenylene), and the radical cation generated on reductio

27 s that the central phenylene, the six branch phenylenes, and the 18 periphery phenyls all display meg

28 which all ortho and para positions of the m-phenylene are sterically shielded, distortion of the nit

29 The ortho-phenylenes are a simple class of foldamers, with the for

30 The ortho-phenylenes are a simple class of helical oligomers and r

31 Current-density maps for these isomeric phenylenes are typically dominated by strong paratropic

32 The behavior of the o-phenylenes as a class is discussed in the context of thi

33 erlocked mechanically by cyclobis(paraquat-p-phenylene) as its tetrachloride, exists as a mixture of

34 or [2]catenanes based on cyclobis(paraquat-p-phenylene) as the pi-acceptor ring have been used promin

35 Molecular spoked wheels with an all-phenylene backbone and different alkoxy side chain subst

36 olyelectrolytes (CPEs) with poly(fluorene-co-phenylene) backbones and different counterions and charg

37 is developed for preparation of the first m-phenylene based diarylnitroxide diradical.

38 ridinium extended viologen units into a para-phenylene-based cyclophane results in a synthetic recept

39 ol(-1) by changing the character of the four phenylene-based substituents from more (OTg) to less (t-

40 The m-phenylene-based systems exhibit slower charge-recombinat

41 e well-known cyclophane, cyclobis(paraquat-p-phenylene) (BB(4+) ), and two cucurbit[7]uril (CB7) host

42 diates) of known rearrangements of linear [3]phenylene, benzo[b]biphenylene, and angular [4]phenylene

43 at via a biomimetic material, namely, poly(p-phenylene) beta-cyclodextrin poly(ethylene glycol) (PPP-

44 quintessential molecular bridges: oligo(para-phenylene), beta = 0.39 A(-1) and oligo(2,5-thiophene),

45 ed tetracationic compound cyclobis(4,4'-(1,4-phenylene) bipyridin-1-ium-1,4-phenylene-bis(methylene))

46 ss-linker) in the presence of Zn (II)-N,N'-o-phenylene bis (salicylideneimine) ternary complex wherei

47 osed of phthalocyanine macrocycles joined by phenylene bis(boronic acid) linkers.

48 ,3,6,7,10,11-hexahydroxytriphenylene and 1,4-phenylene bis(boronic acid) monomers in solution.

49 MF; H3BDTriP = 5,5'-(5-(1H-pyrazol-4-yl)-1,3-phenylene)bis(1H-1,2,3-triazole)), which demonstrates ma

50 ermediary 3,3'-(1E,1'E)-2,2'-(2,5-diiodo-1,4-phenylene)bis(ethene-2,1-diyl)bis(10-hexyl-10H -phenothi

51 Horner reaction of tetraethyl(2,5-diiodo-1,4-phenylene)bis(methylene)diphosphonate with 10-hexyl-10H-

52 ic tetradentate amidate ligands, N1,N1'-(1,2-phenylene)bis(N2-methyloxalamide) (H4L1), and its deriva

53 d catecholate, tetraethyl (2,3-dihydroxy-1,4-phenylene)bis(phosphonate) (H2 -DPC), has been used to p

54 xanthene]-3',6'-diyl)bis(iminomethylene-2 ,1-phenylene)]bis-(9CI), a rhodamine-derived bisboronic aci

55 d Hf MOFs linked by functionalized 4,4'-[1,4-phenylene-bis(ethyne-2,1-diyl)]-dibenzoate (peb(2-)) lig

56 bis(4,4'-(1,4-phenylene) bipyridin-1-ium-1,4-phenylene-bis(methylene)) (ExBox(4+)) to form both the E

57 enylamino)porphyrinato zinc(II) 1 and 5-(2,5-phenylene-bis(oxy)diacetamide)-10,15,20-tris(triphenylam

58 new monomeric and dimeric ligands having 1,3-phenylene-bis(piperazinyl benzimidazole) unit with G-qua

59 observed in the NMR spectra of the N,N'-(1,4-phenylene)bisphthalimide 11.

60 e-1,3-diamine yields the corresponding N,N'-(phenylene)bisphthalimides, whereas with benzene-1,2-diam

61 aqueous media composed of cyclobis(4,4'-(1,4-phenylene)bispyridine-p-phenylene)tetrakis(chloride) (Ex

62 The positions of methyl group(s) on the phenylene bridge allow for an experimentally determined

63 ts (MFE) were observed for two triads with a phenylene bridge between iridium complex sensitizer and

64 larization of a doubly occupied orbital with phenylene bridge character.

65 ion and underscores the dominant role of the phenylene bridge fragment acting as an electron acceptor

66 Our results show the importance of the phenylene bridge in promoting (1) electron transfer in D

67 -field dependence of k+/- of the triads with phenylene bridge spans 2 orders of magnitude and exhibit

68 Strong electronic coupling mediated by the p-phenylene bridge stabilizes the triplet ground state of

69 which is a D-B-A biradical possessing a para-phenylene bridge, admixture of a single low-lying singly

70 try and is comprised of pi-electron-poor 1,4-phenylene-bridged ("extended") bipyridinium units (ExBIP

71 ynaphthalene (DNP) unit and an electron-poor phenylene-bridged bipyridinium (P-BIPY(2+)) unit and a c

72 We report a novel para-phenylene-bridged hexafunctional tripodal receptor that

73 f para-phenylene and methyl-substituted para-phenylene bridges and by the sigma-system of a bicyclo[2

74 Substituting the phenylene by a biphenyl bridge causes the lifetime of th

75 ino-3,1-phenylen ecarbonylimino(4-methyl-3,1-phenylene)carbonylimino]]bis-1,3,5-naphthalenetrisulf on

76 A comparison of junctions comprising oligo(phenylene)carboxylates and n-alkanoates showed, as expec

77 tual description of cyclic and linear poly-p-phenylene cation radicals and demonstrates the versatili

78 the diradical dicationic cyclobis(paraquat-p-phenylene) (CBPQT(2(*+))) ring to form inclusion complex

79 he bipyridinium units in cyclobis(paraquat-p-phenylene) (CBPQT(4+) or "blue box") and describe the in

80 ons taking place between cyclobis(paraquat-p-phenylene) (CBPQT(4+)) and five different monopyrrolo-te

81 d by the complexation of cyclobis(paraquat-p-phenylene) (CBPQT(4+)) and the guest molecule tetrathiaf

82 rotaxanes, which drove a cyclobis(paraquat-p-phenylene) (CBPQT(4+)) mobile ring between a tetrathiafu

83 (P-BIPY(2+)) unit and a cyclobis (paraquat-p-phenylene) (CBPQT(4+)) ring component.

84 rotaxane consisting of a cyclobis(paraquat-p-phenylene) (CBPQT(4+)) ring encircling a dumbbell, conta

85 lly interlocked with the cyclobis(paraquat-p-phenylene) (CBPQT(4+)) ring has also been prepared using

86 between these stalks and cyclobis(paraquat-p-phenylene) (CBPQT(4+)) rings, and (c) bistable [2]rotaxa

87 f [2]rotaxanes, in which cyclobis(paraquat-p-phenylene) (CBPQT(4+)) serves as the ring component, whi

88 (DNP) units encircled by cyclobis(paraquat-p-phenylene) (CBPQT(4+)), a pi electron-accepting tetracat

89 ationic cyclophane host, cyclobis(paraquat-p-phenylene) (CBPQT(4+)), and a 1,5-dioxynaphthalene (DNP)

90 ucurbit[7]uril (CB7) and cyclobis(paraquat-p-phenylene) (CBPQT(4+)), respectively-using the thiol-ene

91 etracationic cyclophane, cyclobis(paraquat-p-phenylene) (CBPQT(4+)), was synthesized by donor-accepto

92 tetracationic cyclophane cyclobis(paraquat-p-phenylene) (CBPQT(4+)), were obtained by donor-acceptor

93 nd (iii) a tetracationic cyclobis(paraquat-p-phenylene) (CBPQT4+) pi-electron-acceptor cyclophane, wh

94 etracationic cyclophane, cyclobis(paraquat-p-phenylene) (CBPQT4+), contrary to what is observed in sy

95 to be of primary importance, while the four phenylene CH H-bond donors take on a secondary role.

96 rt the synthesis of ordered arrays of poly(p-phenylene) chains on the surface of semiconducting TiO2(

97 xy-5-(2'-ethylhexyloxy)-1,4-(1-cyanovinylene)phenylene] (CNPPV) as an acceptor.

98 Poly(pyridinium phenylene) conjugated polymers are synthesized by a cros

99 layer containing 20 wt % ladder-type tetra-p-phenylene containing copolymer (P3FTBT6) and 80 wt % PC(

100 ame acceptor unit, these ladder-type oligo-p-phenylene containing copolymers have enhanced and bathoc

101 Four ladder-type oligo-p-phenylene containing donor-acceptor copolymers were desi

102 A homologous series of soluble poly-p-phenylenes containing up to eight phenylene moieties (PP

103 lass of fully unsaturated ladder structures, phenylene-containing oligoacenes (POAs), using 3,4-bis(m

104 a convergent strategy to construct a central phenylene core with stators consisting of two layers of

105 uest surface inclusion complexes with tris(o-phenylene)cyclotriphosphazene (TPP) was synthesized.

106 nalysis of solid state (2)H NMR spectra of a phenylene-d4 isotopologue, obtained as a function of tem

107 e between the end-capped groups and bridging phenylenes (Deltaepsilon).

108 ii) the presence of naphthalene- rather than phenylene-derived arene spacers, and (iii) increasing le

109 nd polycondensation adducts between BCl3 and phenylene diacetylene and lithiated phenylene diacetylen

110 BCl3 and phenylene diacetylene and lithiated phenylene diacetylene, respectively.

111 termined through reactivity with N,N-dibutyl phenylene diamine (DBPDA), which leads to the formation

112 ane (Me3C), a bis-trimethylene bridged bis-p-phenylene diamine (PD), and its ethyl and isopropyl anal

113 pling of tyrosine and tryptophan residues to phenylene diamine and anisidine derivatives.

114 erture was modified by electropolymerizing o-phenylene diamine onto the Pt wire microtransducer, foll

115 involves the periodate-mediated reaction of phenylene diamine substituted oligonucleotides with anil

116 The spacer units comprise an oligomer of 1,4-phenylene-diethynylene repeat units and allow the boron-

117 Diamination of phenylene dihalides with aqueous ammonia to give the cor

118 A phenylene diimine capped conjugate of 1,3-calix[4]arene

119 A phenylene-diimine-capped conjugate of lower rim 1,3-cali

120 zed with antibody using homobifunctional 1,4-phenylene diisothiocyanate (PDITC) linker.

121 s were immobilized by cross-linking with 1,4-phenylene diisothiocyanate (PDITC).

122 T4 was cross-linked, in the presence of 1,4-phenylene diisothiocyanate, on a cysteamine-modified gol

123 g of a triplet donor/host oligomer (Ar = 1,4-phenylene) doped with low concentrations of an acceptor/

124 For the parent, unsubstituted poly(o-phenylene), each interaction contributes roughly 0.5 kca

125 the conductance change when a "parent" meta-phenylene ethylene-type oligomer (m-OPE) is modified to

126 ule-induced folding in a chain-centered meta-phenylene ethynylene (mPE) oligomer.

127 ric bridge consisting of five repeating meta-phenylene ethynylene (mPE) units have been found to exhi

128 sis and solution characterization of short o-phenylene ethynylene (oPE) foldamers.

129 tic analogues of AMPs, such as the family of phenylene ethynylene antimicrobial oligomers (AMOs), rec

130 es the wild type against the membrane-active phenylene ethynylene antimicrobials, whereas the opposit

131 a 4-substituted bpy, with zero, one, or two phenylene ethynylene bridge units, were anchored to meso

132 m yield of a donor-acceptor macromolecule (a phenylene ethynylene dendrimer tethered to perylene) can

133 An anionic phenylene ethynylene oligomer is initially quenched by w

134 wires based on differently substituted oligo(phenylene ethynylene) (OPE) building blocks.

135 -2,2'-diol (BINOL) and a hydrophobic oligo(p-phenylene ethynylene) (OPE) chromophore exposing 2,6-di(

136 A new family of oligo(phenylene ethynylene) (OPE) glucosides has been prepared

137 chiral supramolecular organization of oligo(phenylene ethynylene) (OPE)-based discotics is presented

138 A series of fullerene-terminated oligo(phenylene ethynylene) (OPEs) have been synthesized for p

139 le cationic conjugated polymers (CCPs), poly(phenylene ethynylene) (PPE) derivatives, are explored fo

140 ata also suggests that the delocalized oligo(phenylene ethynylene) bridge facilitates the addition of

141 ors consisting of a short conjugated oligo(p-phenylene ethynylene) core end-capped with an acceptor f

142 of the anionic, carboxylate-substituted poly(phenylene ethynylene) polymer PPECO2 is quenched very ef

143 .4.1]undecane scaffold is used to hold oligo(phenylene ethynylene) units in a cofacially stacked arra

144 r processes, giving access to linear poly-(o-phenylene ethynylene) with narrow molecular weight distr

145 3)(CF3)2)3] exclusively yields linear poly(o-phenylene ethynylene), polymerization initiated by [EtC

146 by RAFT polymerization yields hybrid poly-(o-phenylene ethynylene)-block-poly-(methyl acrylate) block

147 sms for alpha,omega-dithiol terminated oligo(phenylene ethynylene).

148 8]annulene, to yield fully conjugated poly(o-phenylene ethynylene).

149 he surface-immobilized monolayers of oligo(p-phenylene ethynylene)s end-capped with a lower energy ga

150 We found that oligo(m-phenylene ethynylene)s, which are single-stranded foldam

151 A tricationic phenylene-ethynylene (N(3+)) fluorophore is investigated

152 re, we probe single-molecule conductances in phenylene-ethynylene molecules terminated with thiol and

153 s of 11 tailor-made dithiol-terminated oligo(phenylene-ethynylene) (OPE)-type molecules attached to t

154 Thioether-containing poly(para-phenylene-ethynylene) (PPE) copolymers show a strong flu

155 lene-linker unit; these data underscore that phenylene-ethynylene-based structures are more highly co

156 thus enhancing the conductance of the linker-phenylene-ethynylene-linker unit; these data underscore

157 Phenylene ethynylenes comprise a prototypical class of s

158 g two 2,3-triphenylene moieties bridged by m-phenylene ethynylenes has been synthesized.

159 tate properties of tungsten-containing oligo-phenylene-ethynylenes (OPEs) of the form W[C(p-C6H4CC)n-

160 d interchromophore aggregation of three-ring phenylene-ethynylenes (PEs).

161 The o-phenylenes exhibit complex conformational behavior but a

162 on two benzotetraphene units bridged with p-phenylene, featuring preinstalled zigzag moieties.

163 Recent work has shown that o-phenylenes fold into well-defined helical conformations

164 General guidelines for the assessment of o-phenylene folding by NMR and UV-vis spectroscopy are als

165 putational results, we propose a model for o-phenylene folding with two simple rules.

166 onic and optoelectronic properties of poly-p-phenylenes followed a 1/n relationship (where n is numbe

167 cals, in which nitroxides are annelated to m-phenylene forming tricyclic benzobisoxazine-like structu

168 unctionalities are basically limited to para-phenylene functionalised disilenes.

169 structure that emulates a gyroscope with a p-phenylene group acting as a rotator and two m-methoxy-su

170 e vs perylenediimide core interchange; (iii) phenylene group introduction in the oligothiophene backb

171 f the organic linker in the order biphenyl > phenylene > ethanediyl.

172 ed from the experimental data for oligo(para-phenylene) (H(BB) = 11,400 cm(-1)) and oligo(2,5-thiophe

173 enylene, benzo[b]biphenylene, and angular [4]phenylene have BD(T)/cc-pVDZ//(U)BLYP/cc-pVDZ computed b

174 The 17 isomers of the [4]- and [5]phenylenes have been studied with three different comput

175 onformational distributions of a series of o-phenylene hexamers.

176 o-bis-N,N-(4-butylphenyl)-bis-N,N-phenyl-1,4-phenylened iamine) (PFB) with poly(9,9-dioctylfluorene-c

177 toward one end of the molecule with only 4 p-phenylenes in (R2N)PPn(+*), while shifting of the hole o

178 e shifting of the hole occurs with 6 and 8 p-phenylenes in (RO)PPn(+*) and (iA)PPn(+*), respectively.

179 inclusion complexes with cyclobis(paraquat-p-phenylene) in its diradical dicationic redox state.

180 t the effective conjugation length in poly-p-phenylenes is, in part, controlled by the increasing num

181 eta(5)-pentamethylcyclopentadienyl, phpy = 2-phenylene-kappaC(1')-pyridine-kappaN, NCAr(F) = 3,5-bis(

182 n biased electrode devices that employ a 1,4-phenylene linkage.

183 f a meso-meso linked porphyrin dimer, a meta-phenylene linked dimer, gable-like tetramers consisting

184 of the conformational distribution for the p-phenylene-linked macrocycle suggests that the o-phenylen

185 only slightly to (0.6 ns)(-1) when a shorter phenylene linker is utilized.

186 e meso-meso linked dimers bridged via a meta-phenylene linker, and a dodecameric ring composed of thi

187 triethylene glycol (OTg) substituents on the phenylene linkers have been prepared in a modular manner

188 anion recognition as well as the role of the phenylene linkers in tuning the binding strengths and mo

189 , whereas in the R' series the spacers are p-phenylene linkers.

190 dical that possesses a cross-conjugated meta-phenylene (m-Ph) bridge and a spin singlet ground state.

191 tractive alternative to the routinely used p-phenylene maleimide (pPDM) for APD detection, allowing f

192 ble poly-p-phenylenes containing up to eight phenylene moieties (PP(2)-PP(8)) with branched iso-alkyl

193 wed a 1/n relationship (where n is number of phenylene moieties) with the increasing number of phenyl

194 lene moieties) with the increasing number of phenylene moieties.

195 f the continuous arrays of a large number of phenylene moieties.

196 ic architecture slows the inversion of the o-phenylene moieties.

197 istribution in both cyclic and linear poly-p-phenylene (n >/= 7) cation radicals is limited to seven

198 n (diphenylethyne, diphenylbutadiyne, and (p-phenylene)(n), where n = 1-4); substituents such as mesi

199 al withC-](n) (where L = PBu(3) and Ph = 1,4-phenylene, n = 2, 3, 6, and 10), capped with naphthalene

200 c structure of an ordered array of poly(para-phenylene) nanowires produced by surface-catalysed dehal

201 ion-radical salt of a representative tetra-p-phenylene oligomer allows us to demonstrate that the eff

202 robust synthetic approach to monodisperse o-phenylene oligomers which we have demonstrated by synthe

203 ell-defined intermediate products, namely, p-phenylene oligomers with reduced length dispersion and o

204 For the majority of reported o-phenylene oligomers, the perfectly folded conformer comp

205 Here, we report several new series of o-phenylene oligomers, varying both the nature and orienta

206 rboxylic acid bearing termonomers of pyrrole phenylenes or thiophene phenylenes.

207 The 'blue box' (cyclobis(paraquat-p-phenylene) or CBPQT(4+)), developed by Stoddart and coll

208 s, a series of quaternized poly(2,6-dimethyl phenylene oxide)s containing long alkyl side chains pend

209 l (PPP), ter-thiophene (TTT) and alternating phenylene (P) and thiophene (T) units as PTP and TPT.

210 n dithienyl-diketopyrrolopyrrole (TDPPT) and phenylene (P) synthesized via a palladium-catalyzed cros

211 nzo-[1,2-d:5,4-d']-benzoxazole-2,6-diyl)-1,4-phenylene] (PBO), the Office of Law Enforcement Standard

212 ce the GNR precursor, a poly(2,6-dialkynyl-p-phenylene) (PDAPP), with a weight-average molecular weig

213 The obtained poly(pyridinium-phenylene) polymers display appealing properties such as

214 uted and structurally well-defined poly(para-phenylene) (PPP) has been long-desired as an organic sem

215 l properties and hole distribution in poly-p-phenylenes (PPs) with the aid of experiment, computation

216 in most of the aryl diradicals arising from phenylenes produce m-benzyne intermediates which, despit

217 A comparative analysis of a series of poly-p-phenylene ((R)PPn) wires, capped with isoalkyl ((iA)PPn)

218 ortho-Phenylenes represent a fundamental but relatively unexpl

219 cture, MOF-74, from its original link of one phenylene ring (I) to two, three, four, five, six, seven

220 IPY(2+) unit (pi...pi distance of 3.2 A) and phenylene ring in the closest orthogonal cyclophane.

221 of an alpha-diketone bridge from the central phenylene ring of a fluorescent anthracene derivative.

222 irotor provides a central stator and a fixed phenylene ring relative to which the two flanking ethyny

223 yran group has been condensed to the central phenylene ring so as to position a weak electron donor c

224 2]rotaxane composed of a cyclobis(paraquat-p-phenylene) ring and a dumbbell with tetrathiafulvalene,

225 [2]rotaxane containing a cyclobis(paraquat-p-phenylene) ring and tetrathiafulvalene/1,5-dioxynaphthal

226 occupies the cavity of a cyclobis(paraquat-p-phenylene) ring and the other in which a 1,5-dioxynaphth

227 The cyclobis(paraquat-p-phenylene) ring in the [2]rotaxane can be switched betwe

228 ing the redox state of a cyclobis(paraquat-p-phenylene) ring simultaneously (i) inverts the relative

229 leton isolates electronically its peripheral phenylene rings and suppresses its characteristic fluore

230 ong distance of 15-20 A, indicating that the phenylene rings do not block small-molecule entry into t

231 ox(4+) (n = 0-3), where n is the number of p-phenylene rings inserted between the pyridinium rings--i

232 ent on the extent of conjugation between the phenylene rings, as determined by their relative dihedra

233 Due to free rotation of the phenylene rings, TPS-DEVD is nonemissive in aqueous medi

234 Using organic ligands with 1, 2, and 3 phenylene rings, we construct moisture-stable Ni-MOF-74

235 mechanically interlocked cyclobis(paraquat-p-phenylene) rings has been obtained from the oxidation of

236 tenane incorporating two cyclobis(paraquat-p-phenylene) rings linked together by a dinaphtho[50]crown

237 mechanically interlocked cyclobis(paraquat-p-phenylene) rings-with "zero", one, and two more highly c

238 d of two rigid and fixed cyclobis(paraquat-p-phenylene) rings.

239 The activation energy for the p-phenylene rotation was determined to be ~10 kcal mol(-1)

240 upolar echo (2)H NMR studies have shown that phenylene rotator flipping has an activation energy of 9

241 a 90 degrees bent angle linked to a central phenylene rotator has an ideal structure to examine arom

242 ing by triple bonds to a linearly conjugated phenylene rotator.

243 triple bonds at their C17 positions to a 1,4-phenylene rotator.

244 echniques identified gyration of the three p-phenylene rotators on the millisecond time scale at -93

245 t are 2 and 3 times larger than those of the phenylene rotators previously studied in the solid state

246 g the structure and properties of multiple p-phenylene rotators within one molecule.

247 Linear poly(p-phenylene)s are modestly active UV photocatalysts for hy

248 hat incorporate pyridyl subunits in place of phenylenes show a heightened propensity to form 2:1 sand

249 Rotaxane macrocycles with 1,4-phenylene sidewalls and 2,6-pyridine dicarboxamide bridg

250 r, as well as through a second intervening p-phenylene spacer (2).

251 e the bipodal molecule with the central meta-phenylene spacer (m-2a) displayed an extended conformati

252 at higher temperatures, indicating that the phenylene spacer modulates the magnitude of the magnetic

253 -amide and tetra-amine clefts separated by p-phenylene spacers.

254 2) (NN = nitronylnitroxide radical, Ph = 1,4-phenylene, SQ = S = (1)/(2) semiquinone radical, Cat = S

255 iffer by the arrangement of fluorines on the phenylene structural unit, were designed and synthesized

256 formation of covalently bonded zigzag poly(m-phenylene) structures.

257 f cyclobis(4,4'-(1,4-phenylene)bispyridine-p-phenylene)tetrakis(chloride) (ExBox) and three dicationi

258 o-Phenylene tetramers have been combined with rod-shaped p

259 studied macrocyclic host cyclobis(paraquat-p-phenylene)--the so-called "blue-box"--it is shown that i

260 ysis of the spectra reveals that the central phenylene, the six branch phenylenes, and the 18 periphe

261 Due to the propeller arrangement of the p-phenylenes, their rotation is hindered but not strongly

262 Self-assembly of conjugated 2,5-dialkoxy-phenylene-thienylene-based oligomers on epitaxial monola

263 IR detection shows that photoexcited o-phenylene thioxocarbonate (2) and 2-chlorophenol (3) eff

264 otochemistry of diazocyclohexadienone (1), o-phenylene thioxocarbonate (2), and 2-chlorophenol (3) in

265 tramers have been combined with rod-shaped p-phenylene-, tolane-, and diphenylbutadiyene-based linker

266 ylene ( TPTTPT) system, and a thiophene/EDOT/phenylene ( TPEEPT) system have been constructed and cha

267 g an all-thiophene ( T6) system, a thiophene/phenylene ( TPTTPT) system, and a thiophene/EDOT/phenyle

268 n of a pair of para-methoxy groups at each p-phenylene unit in poly-p-phenylene wires (i.e., PHEn) ch

269 S-2-methylbutoxy side chains on the central phenylene unit.

270 nylene-linked macrocycle suggests that the o-phenylene units are largely decoupled, with the less-sym

271 Finally, the rotation of single phenylene units in combination with dehydrogenation cros

272 idging of each of the three TBTQ bays by 1,2-phenylene units in compound 6 gives rise to an unusual w

273 m the geometrical distortion of individual p-phenylene units in cyclic PPs.

274 properties against the increasing number of phenylene units in various PP(n)'s, as well as X-ray cry

275 study and demonstrate that the rotation of m-phenylene units is a powerful design tool to promote str

276 rearrangement reactions occur, delivering p-phenylene units with up to 28.4 kcal/mol strain energy a

277 The backbone (zinc oxide and phenylene units) of these structures is ordered, but the

278 >/= 7) cation radicals is limited to seven p-phenylene units, despite the very different topologies.

279 d macrocycles, containing highly distorted p-phenylene units, have been synthesized.

280 3h to Cs symmetry of mTBPB via rotation of m-phenylene units.

281 ly fluorescent PPP with a length of about 75 phenylene units.

282 Here we report a cross-linked phenylene vinylene polymer network whose fluorescence is

283 obility of a benzodifurandione-based oligo(p-phenylene vinylene) (BDOPV)-based polymer.

284 ers of poly(2-methoxy-5-(2'-ethylhexyloxy)-p-phenylene vinylene) (MEH-PPV) that incorporated differen

285 he depolymerization of pi-conjugated oligo(p-phenylene vinylene) (OPV) assemblies in methylcyclohexan

286 acetylide complexes that contain extended p-(phenylene vinylene) chromophores are reported.

287 The poly(p-phenylene vinylene) derivative MEH-PPV is known to exist

288 An achiral oligo(p-phenylene vinylene) derivative with a ureido-triazine hy

289 hiral enantiomers of a pi-conjugated oligo(p-phenylene vinylene) derivative.

290 rate thermochemical nanopatterning of poly(p-phenylene vinylene), a widely used electroluminescent po

291 ated polymers, such as polyfluorene and poly(phenylene vinylene), have been used to selectively dispe

292 (CPE)/poly[2-methoxy-5-(2'-ethylhexyloxy)-p-phenylene vinylene] (MEH-PPV) bilayers cast from differe

293 PV (poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene]) in the liquid crystal 5CB (4-cyano-

294 V), based on a deuterated derivative of poly(phenylene-vinylene) with small hyperfine interaction.

295 2(*+)) ring and the radical cation of methyl-phenylene-viologen (MPV(*+)).

296 The ladder-type oligo-p-phenylene was used as an electron donor unit in these co

297 xy groups at each p-phenylene unit in poly-p-phenylene wires (i.e., PHEn) changes the nodal structure

298 Typical poly-p-phenylene wires are characterized by strong interchromop

299 Poly-p-phenylene wires are critically important as charge-trans

300 However, "next-generation" o-phenylenes with better folding properties are needed if