ライフサイエンスコーパス: phenylene

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

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

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

4 thanide cations and sensitizers derived from phenylene.

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

6 rmonomers of pyrrole phenylenes or thiophene phenylenes.

7 and for rearrangement mechanisms for several phenylenes.

8 2N)PPn (+350 mV) with increasing number of p-phenylenes.

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

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

11 Readily available phenylene-1,3-diamines can be converted into unprecedent

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

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

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

17 The molecular wire-like nature of the p-phenylene-acetylene bridges as a function of C(60)-ZnP a

18 Linking all of them via p-phenylene-acetylene/acetylene bridges of different lengt

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

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

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

24 for the reduced state of cyclobis(paraquat-p-phenylene) and that of its trisradical tricationic compl

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

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

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

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

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

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

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

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

33 Here, we synthesized poly(phenylene) based model cationic conjugated oligo- (2QA-C

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

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

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

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

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

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

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

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

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

43 ,3,6,7,10,11-hexahydroxytriphenylene and 1,4-phenylene bis(boronic acid) monomers in solution.

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

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

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

47 o-fold interpenetrated Hf MOF, linked by 1,4-phenylene-bis(4-ethynylbenzoate) ligands (Hf-peb), are i

48 Topologically isolating the 1,4-phenylene-bis(4-ethynylbenzoate) units within a MOF faci

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

66 The phenylene-bridged helicene displays a substantially high

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

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

69 When phenylene bridges are initially inserted between a CdSe

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

89 otion changes the orientation of the central phenylene, changing the electronic communication between

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

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

92 ers with backbones consisting of para-linked phenylenes connected to oxazole, imidazole, or nitro-sub

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

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

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

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

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

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

99 Cyclotris(paraquat-p-phenylene) (CTPQT(6+) ) and cyclotris(paraquat-p-1,4-dim

100 pired by the ubiquitous cyclobis(paraquat- p-phenylene)cyclophane ("blue box").

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

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

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

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

105 avibetol, chavibetol acetate and 4-allyl-1,2-phenylene diacetate).

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

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

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

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

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

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

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

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

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

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

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

117 ined in a short synthesis involving masked p-phenylene equivalents.

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

119 antum interference (DQI) in meta-substituted phenylene ethylene-type oligomers (m-OPE) can be tuned b

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

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

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

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

124 An anionic phenylene ethynylene oligomer is initially quenched by w

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

126 -2,2'-diol (BINOL) and a hydrophobic oligo(p-phenylene ethynylene) (OPE) chromophore exposing 2,6-di(

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

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

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

130 em featuring tetrathiophene (T(4)) and tetra(phenylene ethynylene) (PE(4)) donor blocks capped with a

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

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

133 on of chiral (1 and 2) and achiral (3) oligo(phenylene ethynylene) tricarboxamides (OPE-TAs) is repor

134 .4.1]undecane scaffold is used to hold oligo(phenylene ethynylene) units in a cofacially stacked arra

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

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

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

138 8]annulene, to yield fully conjugated poly(o-phenylene ethynylene).

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

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

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

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

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

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

145 This study presents a series of oligo(phenylene-ethynylene) wires with one tetrapodal anchor a

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

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

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

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

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

151 The o-phenylenes exhibit complex conformational behavior but a

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

153 oop-shaped [n]CPPs and a novel family of all-phenylene figure-8 shaped (lemniscal) bismacrocycles, te

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

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

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

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

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

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

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

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

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

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

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

165 emically transformed into conjugated poly( o-phenylene-hexatrienylene) by sonication, with degrees of

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

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

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

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

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

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

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

173 glycol-substituted cyanostar macrocycle and phenylene-linked diphosphate monomers.

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

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

176 eveal that the methoxy substituents on the p-phenylene linkers do not influence binding of the cyclop

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

178 e moieties alternate with short conjugated p-phenylene linkers.

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

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

181 or, which are coupled to each other via para-phenylene, methyl-substituted para-phenylenes, or a bicy

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

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

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

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

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

187 erference (QI) effects in oxazole-terminated phenylene molecular junctions, including destructive QI

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

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

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

191 ly of radially pai-conjugated porphyrinylene/phenylene nanohoops.

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

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

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

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

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

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

198 stitution with electron-rich moieties (i.e., phenylene or ether) red-shifts both the SubPz absorption

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

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

201 via para-phenylene, methyl-substituted para-phenylenes, or a bicyclo[2.2.2]octane ring.

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

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

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

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

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

207 mixed crystals containing the secondary 1,4-phenylene pillar.

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

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

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

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

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

213 ortho-Phenylenes represent a fundamental but relatively unexpl

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

215 somer shows a slow rotational process of the phenylene ring at temperatures above room temperature an

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

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

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

219 of methoxy (OMe) substituents at the central phenylene ring.

220 2]rotaxane composed of a cyclobis(paraquat-p-phenylene) ring and a dumbbell with tetrathiafulvalene,

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

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

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

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

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

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

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

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

229 nformation with slight distortion of bridged phenylene rings.

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

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

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

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

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

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

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

237 While the phenylene rotator in the SR diastereomer remains static

238 tals of molecular rotor 1 with a central 1,4-phenylene rotator linked to two molecules of the steroid

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

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

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

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

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

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

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

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

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

248 The phenylene spacer groups limit proton mobility and enable

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

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

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

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

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

254 cal properties and microstructures of poly(p-phenylene terephthalamide) (PPTA) single fibers at the m

255 High-performance fibers made of poly-(p-phenylene terephthalamide) (PPTA) with high stiffness an

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

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

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

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

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

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

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

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

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

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

266 0.413%, 1.5-1.6 fold higher than that with 3 phenylene units (using the convention where the maximum

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

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

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

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

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

272 Despite the presence of m-phenylene units interrupting the global delocalization,

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

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

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

276 ine COF-122 comprises edges spanning over 10 phenylene units, an aspect that had only been achieved i

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

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

279 gid bridge is increased in length to 4 and 5 phenylene units, photon upconversion quantum efficiencie

280 hree-dimensional alignment of three aromatic phenylene units, separated by two methine bridges.

281 3h to Cs symmetry of mTBPB via rotation of m-phenylene units.

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

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

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

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

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

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

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

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

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

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

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

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

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