ライフサイエンスコーパス: fluorene

1 hin films of 4-phenylethenyl end-capped poly(fluorene).

2 anged from 0.9 (anthracene) to 58 ng.L (-1) (fluorene).

3 y at the terminus of the acetylene to form a fluorene).

4 rt polypeptide conjugated to the fluorophore fluorene.

5 model carcinogen 2-(N-acetoxy-N-acetylamino)fluorene.

6 d on the basis of the corona of indeno[1,2-b]fluorene.

7 ibenzothiophene, carbazole, dibenzofuran and fluorene.

8 ts like Ne or CH4, which is not the case for fluorene.

9 communication between the fullerenes and the fluorene.

10 lphenyl)-fluoren-2-yl]-9,9-di(4-methylphenyl)fluorene.

11 erms of electrostatic interactions among the fluorenes.

12 lding blocks of alternating naphthalenes and fluorenes.

13 taken utilizing chiral 9-(o-tert-butylphenyl)fluorenes.

14 two bis(glycosylated) diazotetrahydrobenzo[b]fluorenes.

15 onditions, instead of delivering the benzo[a]fluorenes.

16 ional group tolerance with both alcohols and fluorenes.

17 of cobalt as catalysts for the alkylation of fluorenes.

18 the preparation of imidazole-functionalized fluorenes.

19 2,3-benzofluorene (0.26 eV), 12H-dibenzo[b,h]fluorene (0.65 eV), 13H-indeno[1,2-b]anthracene (0.82 eV

20 clopentadiene (-0.63 eV), indene (-0.49 eV), fluorene (-0.07 eV), 1H-benz[f]indene (0.13 eV), 1,2-ben

21 nthracene; DHA) = 0.485 M(-1) s(-1) and k(2)(fluorene) = 0.102 M(-1) s(-1) (-90 degrees C); by contra

22 ne, 7H-benz[de]anthracene-7-one, 11H-benzo[b]fluorene-11-one, 6H-benzo[cd]pyren-6-one, 9,10-dihydro-8

23 chloride produced the 11-chloro-11H-benzo[b]fluorene 14 and, after hydrolysis, the corresponding 11H

24 for naphthalene (1.8 x 10-4 +/- 3.3 x 10-4), fluorene (2.4 x 10-5 +/- 3.3 x 10-5), anthracene (3.9 x

25 riphenylamine groups as donor connected to a fluorene, 2,7-bis-(4-(N,N-diphenylamino)phen-1-yl)-9,9'-

26 ced the key precursor 7-bromo-9,9-diethyl-9H-fluorene-2,4-dicarbaldehyde required for the preparation

27 ith 40 mg/kg of N-bis-(3-phenyl-propyl)9-oxo-fluorene-2,7-diamide, a novel PARG inhibitor, significan

28 eceptor-selective antagonist NGB 2904 (1, 9H-fluorene-2-carboxylic acid {4-[(2,3-dichlorophenyl)-pipe

29 sed with dimethyl spiro[cycloprop[2]ene-1,9'-fluorene]-2,3-dicarboxylate.

30 and the spiro[1H-cyclobut[a]indene-1,9'-[9H]fluorene] 20 (trans/cis = 5:1).

31 The spiro[1H-cyclobut[a]indene-1,9'-[9H]fluorene] 20 apparently was produced via two intramolecu

32 and the spiro[1H-cyclobut[a]indene-1,9'-[9H]fluorene] 39 (trans/cis = 3:1) were likewise produced fr

33 Similar reactions of fluorene-4-carboxylic acid and 4-isopropyl- and 4-ethylb

34 The 2- and 4-hydroxy isomers of the fluorene 5 (i.e., compounds 6 and 7), prepared by synthe

35 The structures of xanthene (4) and fluorene (5) bisphenols have been confirmed by synthesis

36 openta[def]phenanthrene 31 and cyclopenta[jk]fluorene 52 as the principal products.

37 eptor-donor triads based on the indeno[1,2-b]fluorene-6,12-dione (IF) scaffold.

38 hly electron-deficient class of indeno[1,2-b]fluorene-6,12-dione, 2,2'-(indeno[1,2-b]fluorene-6,12-di

39 ,2-b]fluorene-6,12-dione, 2,2'-(indeno[1,2-b]fluorene-6,12-diylidene) dimalononitrile, bisindenofluor

40 following: a 2-benzoxazolyl-7-(4-diarylamino)fluorene 7, 2-(4-cyanophenyl)-5-(4-aminophenyl)oxazoles

41 Compared with 12-pi-electron fluorene, a carbon-bridged biphenylene with an axial sym

42 A circles and placed a single 2-(acetylamino)fluorene (AAF) lesion either on the oligonucleotide or o

43 modifications around a single 2-(acetylamino)fluorene (AAF) lesion.

44 chieved for a set of isomeric (N-acetylamino)fluorene (AAF)-modified oligonucleotides differing only

45 the diphenyl groups are fused in the form of fluorene, allows "naked-eye" detection of fluoride in su

46 valently bound to the sol-gel matrix using a fluorene analogue functionalized silane.

47 as utilized to provide access to a number of fluorene analogues from common intermediates, via facile

48 ctive models, we have synthesized a panel of fluorene analogues that are selective for hiCE, demonstr

49 dular assembly of unsymmetrical indeno[1,2-b]fluorene analogues.

50 mmetric dicationic DNA binders containing 9H-fluorene and 9,10-dihydroanthracene cores as well as the

51 jugated polymers (PFBT and PFODTBT) based on fluorene and benzothiadiazole groups, and one small mole

52 les, while polycyclic aromatic units such as fluorene and carbazole favor 4-membered species.

53 thracene and all parent PAHs (PPAHs), except fluorene and fluoranthene], suggesting that PS debris is

54 nomeric receptor (which is made of a pair of fluorene and one p-xylene ring, i.e., Z1) undergoes a si

55 - (BT) and oligo(ethylene oxide)-substituted fluorene and phenylene units have been designed and synt

56 l basic enough to quantitatively deprotonate fluorene and reversibly deprotonate 1,3-cyclohexadiene a

57 Fluorescent copolymers containing fluorene and squaraine units were synthesized and used a

58 2) and (+3) positions for dG-C8-(acetylamino)fluorene and tetrahydrofuran.

59 l successfully integrated a diverse array of fluorenes and alcohols.

60 large influence on the pK(a) values of these fluorenes and can offset the classic electronic effects

61 f the BITs lie between those of indeno[1,2-b]fluorenes and indacenodithiophene.

62 Fluorenes and methylene-bridged polyarenes were easily a

63 Synthesis of benzo[a]fluorenes and naphthyl ketones has been achieved selecti

64 ons as a result of the high stiffness of the fluorenes and of their length mismatch with respect to t

65 ]pyrene, benzo[b]fluoranthene, chrysene, and fluorene) and eight oxygenated PAHs (OPAH; anthracene-9,

66 ock D is made of a combination of thiophene, fluorene, and 2,1,3-benzothiadiazole derivatives.

67 dize the three-ring compounds, phenanthrene, fluorene, and anthracene faster than the wild-type enzym

68 One-hundred percent of the naphthalene, fluorene, and phenanthrene, and 46% of the chrysene in t

69 s naphthalene, phenanthrene, anthracene, and fluorene, and the HMW PAHs pyrene, fluoranthene, and ben

70 ine, dG-C8-aminofluorene, dG-C8-(acetylamino)fluorene, and the model abasic site, tetrahydrofuran, we

71 phene, 9-(4,5-dimethyl-1,3-dithiol-2-ylidene)fluorene, and triphenylamine], have been synthesized usi

72 he mutant had a lower rate of degradation of fluorene, anthracene, and pyrene.

73 ous positions were derived from naphthalene, fluorene, anthracene, phenanthrene, pyrene, fluoranthene

74 Dihydroanthracene, xanthene, and fluorene are oxidized by [Mn(2)(O)(2)](3+) to give anthr

75 Indenes and fluorenes are obtained by intramolecular reaction of hig

76 Moreover, fluorenes are synthesized via tandem Cu-catalyzed [3 + 2

77 ron-deficient 1,3,5-triazine core with three fluorene arms substituted with diarylamino (TAM1-TAM3) o

78 ly hindered various substituted arylidene-9H-fluorene/arylideneindolin-2-one derivatives to afford hi

79 ing a premodification strategy starting with fluorene as a fused polyaromatic precursor over a sequen

80 aracterization of 7,12-dimesitylindeno[1,2-a]fluorene as a highly reactive species.

81 hesized starting with commercially available fluorene as a key precursor over a sequence of four simp

82 plored using polyethylene as the analyte and fluorene as the matrix.

83 3,4-ethylenedioxy thiophene as the donor and fluorene as the shielding unit, the best performance flu

84 ed the corresponding tetrahydro-5 H-benzo[ c]fluorenes as single stereoisomers with the exclusive cis

85 ysene, and 13,14-dihydro-benz[g]indeno[2,1-a]fluorene, as well as the putative carcinogenic bisdihydr

86 cterization of novel aryl-ether, biaryl, and fluorene aspartic acid and diaminopropionic acid analogs

87 Building on a common fluorene backbone, and guided by DFT calculations, we in

88 In addition, design and synthesis of a novel fluorene based organic emitter for potential use in orga

89 Branched fluorene-based chromophores bearing electron-donating di

90 terials have been developed by incorporating fluorene-based chromophores on pyrene core with acetylen

91 report the synthesis of three cyclohepta[def]fluorene-based diradicaloids (1-3), by fusion of benzo r

92 ics of buckminsterfullerene-capped symmetric fluorene-based dumbbell-type compound 1 were investigate

93 to achieve large two-photon absorptivity in fluorene-based probes, a series of donor-acceptor-donor

94 he voltage sensitivity 1.5- to 3.5-fold over fluorene-based voltage probes.

95 Previously, we reported a fluorene-based voltage-sensitive fluorophore that exhibi

96 s in mouse lung was identified as 7H-benzo[c]fluorene (BcF).

97 ed approach to access functionalized benzo[a]fluorenes, benzo[b]fluorenones, and naphthyl ketones has

98 he diguanidines and the N-alkyl diguanidines fluorenes bind in the minor groove in a manner similar t

99 Fluorene binding was detected by a change in NBD fluores

100 limited by a lack of reversibility following fluorene binding.

101 ) (PNPDI); and poly(9,9-bis(2-butyloctyl)-9H-fluorene-bis((1,10:5,6)2-(5,6-dihydro-4H-cyclopenta [b]t

102 orene derivative DDFTTF, which consists of a fluorene-bithiophene-fluorene core that is end-substitut

103 from benzophenone to naphthalene across the fluorene bridge using femtosecond transient absorption s

104 radical groups are coupled via a meta-linked fluorene bridge.

105 isting of a benzophenone donor, one to three fluorene bridges, and a naphthalene acceptor, and studie

106 9,10-dihydroanthracene (DHA), xanthene, and fluorene by [(bpy)(2)(py)Ru(IV)O](2+) in acetonitrile so

107 d theoretical investigations have shown that fluorene C-H bonds can be activated through a mechanism

108 sion cross section for coronene (C24H12) and fluorene (C13H10) molecules under fast bare oxygen ion i

109 s mechanism is the fact that 9-alkylidene-9H-fluorenes can also be prepared by the Pd-catalyzed rearr

110 Introduction of planarized fluorene, carbazole, dibenzo[b,d]thiophene or dibenzo[b,

111 ibenzothiophene S,S-dioxide and the donor is fluorene, carbazole, or arylamine.

112 Individual in situ polymerized fluorene chains 10-100 nm long linked by C-C bonds are p

113 ication of 9-[(4-methoxyphenyl)methylene]-9H-fluorene cleanly; oxidation of all other substituted ben

114 9-bis(6'-N,N,N-trimethylammoniumhexylbromide)fluorene)-co-phenylen e] and S1 nuclease, unambiguous FR

115 [9,9-bis(6'-methyl imidazolium bromide)hexyl)fluorene-co-4,7-(2,1,3-benzothiadiazole)] (PFBT-MI) was

116 -bis(6'-N,N,N-trimethylammoniumbromide)hexyl)fluorene-co-alt-4,7- (2,1,3-benzothiadiazole)]were excha

117 [9,9'-bis(6''-N,N,N-trimethylammonium)-hexyl)fluorene-co-alt-4,7-(2,1, 3-benzothiadiazole) dibromide]

118 y[9,9'-bis(6''-N,N,N-trimethylammonium)hexyl)fluorene-co-alt-4,7-(2,1,3 -benzothiadiazole) dibromide]

119 [9,9'-bis(6''-(N,N,N-trimethylammonium)hexyl)fluorene-co-alt-4,7-(2,1,3-benz othiadiazole) dibromide]

120 conjugated polyelectrolytes (CPEs) with poly(fluorene-co-phenylene) backbones and different counterio

121 Cationic water-soluble poly(fluorene-co-phenylene)s with electron withdrawing or don

122 tructures, namely, 9-[di(4-pyridyl)methylene]fluorene (compound 17) or fluorenone (compounds 19-22).

123 e of electron donor 9-(1,3-dithiol-2-ylidene)fluorene (compounds 13 and 14) and electron acceptor 9-[

124 tribution in the proton transfer through the fluorene conjugation.

125 Compared to fluorene containing copolymers with the same acceptor un

126 e-walled carbon nanotubes (SWNTs), this TTFV-fluorene copolymer exhibited strong interactions with th

127 ted after dispersion and release by the TTFV-fluorene copolymer were more pure than the original SWNT

128 ene-selenophene-tellurophene and selenophene-fluorene copolymers were synthesized to provide a furthe

129 TF, which consists of a fluorene-bithiophene-fluorene core that is end-substituted with linear dodecy

130 rings connecting two fullerenes to a central fluorene core.

131 solvatochromic dyes based on naphthalene and fluorene cores bearing an exceptionally strong electron

132 Thus, tetrahydro-5 H-benzo[ c]fluorenes could be prepared in four steps from appropria

133 An appropriately substituted fluorene derivative (i.e., R = OMe) forms a highly color

134 roblasts in serum-free medium, the bisphenol fluorene derivative 9,9-bis(4'-hydroxyphenyl)-3-hydroxyf

135 acterization of a novel two-photon-absorbing fluorene derivative, LT1, selective for the lysosomes of

136 diazole derivatives (BH0-BH3), including two fluorene derivatives (AB2 and C01) were synthesized and

137 ated C-H hydroxylation of the synthesized 9H-fluorene derivatives afforded 9H-hydroxy-functionalized

138 diaza-dibenzo[a,e]azulene and diaza-benzo[a]fluorene derivatives has been sophisticated, which inclu

139 fforded 9H-hydroxy-functionalized quaternary fluorene derivatives in excellent yield.

140 palladium-catalyzed conditions produced the fluorene derivatives in excellent yields.

141 nd Friedel-Crafts reactions to yield benzo[b]fluorene derivatives in good yields.

142 d practical synthesis of a variety of chiral fluorene derivatives is described where a cholestane moi

143 miting step for the formation of a series of fluorene derivatives is sensitive to the reactivity of t

144 We found that the fluorene derivatives prepared have the ability to bind t

145 Several 9-alkylidene-9H-fluorene derivatives successfully undergo Corey-Chaykovs

146 escribe a convenient method to access 9-aryl fluorene derivatives through a TfOH-catalyzed intramolec

147 A series of bis(dithiafulvenyl)-end-capped fluorene derivatives was prepared and subjected to a one

148 The novel fluorene derivatives were fully characterized, including

149 tycene scaffold, resulting in a new class of fluorene derivatives with a nitroquinone unit.

150 The fluorene derivatives, C01 and AB2, also produce bright,

151 complex with CO and dichloroalkanes lead to fluorene derivatives, indicating the formation of carbon

152 es is developed for the synthesis of benzo[a]fluorene derivatives.

153 res as well as the synthesis of one of these fluorene derivatives.

154 The diazotetrahydrobenzo[b]fluorene (diazofluorene) functional group of the targets

155 A, which contains two diazotetrahydrobenzo[b]fluorene (diazofluorene) functional groups, inhibits the

156 contains two unusual diazotetrahydrobenzo[b]fluorene (diazofluorene) functional groups.

157 At 200 degrees C naphthalene, biphenyl, fluorene, dibenzothiophene, and anthracene show substant

158 ts for the p-methoxy-substituted benzylidene fluorene dication suggests that the calculations satisfa

159 energy transfer (FRET)-operated photochromic fluorene-dithienylethene dyad lays the foundation for th

160 synthetic method to prepare 2,4a-dihydro-1H-fluorenes efficiently from gold(I)-catalyzed 1,2-acyloxy

161 rphyrinoids named fluorenophyrins, which are fluorene-embedded porphyrins, have been readily synthesi

162 In the neutral state, indeno[1,2-a]fluorene exhibits one of two ground states: an open-shel

163 ak acceptors (TPTQ or TPTI) and weak donors (fluorene (F) or carbazole (C)) have been developed for l

164 njugation of an aromatic moiety (pyrene (P), fluorene (F), or naphthalene (N)) to pentapeptides GAGAS

165 rve the emissive color integrity of the poly(fluorene) films and allowed for facile photopatterning o

166 olysis of diphenyldiazomethane rearranges to fluorene (FL) by two distinct mechanisms as revealed by

167 w (ERL), except for acenaphthylene (Acy) and fluorene (Fl) concentrations.

168 AB), nitrobiphenyl (NBP), biphenyl (BP), and fluorene (FL) were covalently bonded to flat pyrolyzed p

169 Triphenylamine (TPA), fluorene (Fl), perylenemonoimide (PMI), and perylenediim

170 ng a phenothiazine (PTZ) donor, an oligo(2,7-fluorene) (FL(n)) bridge, and a perylene-3,4:9,10-bis(di

171 l analyses demonstrated transport of the PAH fluorene (FLU) by the mycelial oomycete Pythium ultimum

172 and effective biosorbent for the removal of fluorene (FLU) from organic wastes.

173 indazoles results in the formation of (aza) fluorenes, for which two alternate mechanisms are descri

174 indacene analogues based on the indeno[1,2-b]fluorene framework along with the computational investig

175 ral and electron-deficient arenes, producing fluorene frameworks with defined stereochemistry of the

176 conditions to afford the tetracyclic benzo[a]fluorene frameworks.

177 Fluorene-free perovskite light-emitting diodes (LEDs) wi

178 ionale for the formation of fulvenallene and fluorenes from indazoles and the corresponding formation

179 oselective synthesis of novel dihydrobenzo[a]fluorenes from readily accessible alkynols is presented.

180 New organic dyes containing fluorene functionalized with two imidazole chromophores

181 d for the dicationic N-isopropylguanidino-9H-fluorene, giving 4/4 cures of the treated animals in the

182 f the conformational rigidity imposed by the fluorene group.

183 The additional imidazole present on the fluorene has been found to retard the electron recombina

184 and direct C-H peroxidation of 9-substituted fluorenes has been achieved using a Mn-2,2'-bipyridine c

185 A new indicator, 11-methyl-11H-benzo[b]fluorene, has a pK on the cesium scale of 23.39.

186 s a result, novel tetracyclic dihydrobenzo[a]fluorenes have been accomplished using this approach.

187 ium-mediated arylation approaches to benzo[b]fluorenes have been investigated.

188 An efficient synthetic method of fluorenes having an enamine moiety at C-9 methylene brid

189 The synthesis of a HBC-fluorene hybrid is presented that contains an expanded g

190 ully corroborating the proposed indeno[1,2-a]fluorene hydrocarbon core.

191 ation of a series of 6,12-diarylindeno[1,2-b]fluorenes (IFs).

192 and of the radical anion of a CN-substituted fluorene in tetrahydrofuran.

193 h 1-aryl-1-alkynes to afford 9-alkylidene-9H-fluorenes in good yields.

194 tion produces N-tosylaminomethyl-substituted fluorenes in one pot.

195 ropanation to afford spiro[cyclopropane-1,9'-fluorene] in excellent yields under the continuous-proce

196 surface for all active degrees of freedom of fluorene indicate that power law decays, not exponential

197 strongly blocking lesion, dG-C8-(acetylamino)fluorene, indicating that Klenow fragment exo- activity

198 ion and subsequent reduction of 9-alkylidene fluorene intermediate.

199 g the structural components of thiophene and fluorene into a single molecular entity was synthesized

200 pK of the monomer is 23.39 on a scale where fluorene is assigned 22.9 (per hydrogen).

201 On bilayer NaCl on Au(111), indeno[1,2-a]fluorene is in the neutral charge state, but it exhibits

202 Such selective single-step dialkylation of fluorenes is indeed beneficial.

203 ydroxy) group at the apex of dendritic oligo-fluorenes is observed.

204 yl esters to selectively produce styrenes or fluorenes is reported.

205 as alkylating agents to result in alkylated fluorenes is reported.

206 The new motor comprises a fluorene lower half and a five-membered-ring upper half;

207 ensations using the bis(boronate)-terminated fluorene macromonomers 16 in the presence of end-capping

208 The pendant cofacially oriented fluorene moieties are essentially in contact with each o

209 rthogonal positions or perdeuteration of the fluorene moieties with (2)H incorporation of >93%.

210 rene-p-xylene oligomers (containing up to 10 fluorene moieties) from readily available starting mater

211 can be correlated with the distance between fluorene moieties.

212 sine that results in protrusion of the bulky fluorene moiety into the major groove.

213 The methylene bridge next to the fluorene moiety is intramolecularly shifted from positio

214 These monomers were co-polymerized with a fluorene moiety to give polymers with bandgaps ranging f

215 as limited due to nonplanar arrangement of a fluorene moiety with the rest of the macrocycle.

216 the addition of a single vinyl spacer in the fluorene molecular wire scaffold improves the voltage se

217 A series of fluorescent silyl-fluorene molecules were synthesized and studied with res

218 e vinyl spacer between the aniline donor and fluorene monomer results in indicators that are signific

219 pacerless (8) or octamethylene-tethered (12) fluorene monomers were chain extended by Suzuki polycond

220 flexibility can also be accessed within poly(fluorene) nanoparticles.

221 Benzo[a]pyrene, dibenzothiophene, fluorene, naphthalene, phenanthrene, and pyrene were use

222 via the conjugate addition of a derivatized fluorene nucelophile is described.

223 We use a series of fluorene oligomers containing a central benzothiadiazole

224 two types of fluorescent moieties: discrete fluorene oligomers of a well-defined length (n = 1-9) co

225 n affinities of the aryl cores which include fluorene, oligothiophenes, 2,1,3-benzothiadiazole, 4,7-d

226 the generation of unsubstituted indeno[1,2-a]fluorene on various surfaces by the cleavage of two C-H

227 mation of substituted benzo[ a]indeno[2,1- c]fluorene or benzo[1,2]fluoreno[4,3- b]silole derivatives

228 ds formed of two triphenylamines linked by a fluorene or spirobifluorene bridge.

229 that the materials had good selectivity for fluorene over close structural analogues including napht

230 XD and 9-(4,5-dimethyl-1,3-dithiol-2-ylidene)fluorene-OXD hybrids, 10d, 10g, 11, and 13, are only ver

231 utes for the preparation of hitherto unknown fluorene-p-xylene oligomers (containing up to 10 fluoren

232 The contents of three-ring PAHs, namely fluorene, phenanthrene and anthracene, in dark-roasted b

233 u]NCCH3(+), to give derivatives of tricyclic fluorene, phenanthrene and dibenzo[7]annulene, respectiv

234 e a color change in culture media containing fluorene, phenanthrene, and fluoranthene.

235 tion of phenolic metabolites of naphthalene, fluorene, phenanthrene, and pyrene in human urine.

236 Here, we investigate three PAH molecules: fluorene, phenanthrene, and pyrene, using ultrafast XUV

237 arbons (PAHs) (acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, and py

238 ults showed the presence of seven compounds: fluorene, phenanthrene, anthracene, fluoranthene, pyrene

239 ults showed the presence of seven compounds: fluorene, phenanthrene, anthracene, fluoranthene, pyrene

240 Naphthalene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene

241 y(9,9-bis(6'-N,N,N-trimethylammonium)-hexyl)-fluorene phenylene), 1] with a ssDNA labeled with a dye

242 on of bromomethylated 2-bromo-9,9-diethyl-9H-fluorene produced the key precursor 7-bromo-9,9-diethyl-

243 , electrocyclization can lead to substituted fluorene products.

244 ey are polarons occupying approximately four fluorene repeat units.

245 containing tetrathiafulvalene vinylogue and fluorene repeat units.

246 to the step-by-step detachment of individual fluorene repeat units.

247 idation of all other substituted benzylidene fluorenes resulted in mixtures of products.

248 h(21)-BDPA (e ~ +70), perdeuteration of the fluorenes results in a negative enhancement (e ~ -13), w

249 on that facilitates the intercalation of its fluorene ring into a hydrophobic pocket on the surface o

250 s accompanied by stacking of one face of the fluorene ring of [AF]dG4 with the dC5.dG22 base pair, wh

251 ne moiety is attached to the carbon 9 of the fluorene ring system from readily available starting mat

252 ionalization at positions 2, 7, and 9 of the fluorene ring.

253 However, the two fluorene rings of each spirobifluorene group are twisted

254 nalization of the stator with respect to the fluorene rotors, make these novel motors particularly pr

255 examples of a fully conjugated indeno[1,2-a]fluorene scaffold have so far remained elusive.

256 D calculations suggest that the indeno[1,2-a]fluorene scaffold is weakly Baird aromatic.

257 ically active backbone composed of phenylene-fluorene segments copolymerized with 2,1,3-benzothiadiaz

258 increased levels of FRET from the phenylene-fluorene segments to BT.

259 ield, and partial quenching of the phenylene-fluorene segments.

260 of Abeta(42) peptide with or without LRL and fluorene series compounds to investigate the mechanism o

261 f the mesitylated radical and 9,9-dioctyl-9H-fluorene shows red-shifted emission beyond 800 nm.

262 derives from the enlarged bite angle of the fluorene skeleton and steric interactions between the ad

263 ronic properties of the neutral indeno[1,2-b]fluorene skeleton as well as those of the corresponding

264 of 2-hydroxyphenyl benzothiazole (HBT) with fluorene substituents, HBT-Fl1 and HBT-Fl2, we herein re

265 at charge is preferentially localized on the fluorene subunits and that the molecules are substantial

266 For fluorene, such signature is not identified probably due

267 contiguous sequence of fused benzenes, since fluorene, the isomer of 1H-benz[f]indene, with separated

268 r) unit, alternating with either a thiophene-fluorene-thiophene triad (2a) or a terthiophene (3a) seg

269 of two C-H bonds in 7,12-dihydroindeno[1,2-a]fluorene through voltage pulses applied by the tip of a

270 Addition of fluorene to 1 results in the formation of the ion pair [

271 monomer was prepared and copolymerized with fluorene to give a conformationally switchable conjugate

272 d to derivatives of 6,12-dihydroindeno[1,2-b]fluorene to produce molecules with well-defined crucifor

273 with an electron transfer from the bridging fluorene to the triarylamine radical cation centers allo

274 xidation of m- and p-substituted benzylidene fluorenes to antiaromatic dications was attempted by ele

275 thermore, occurrence of FRET from the donor (fluorene) to acceptor (BT units), via surfactant-induced

276 ing a di-Thioeno[3,2-b] ThioenoIndeno[1,2-b] Fluorene (TTIF) backbone as the donor component.

277 ls-Alder reaction to furnish the 11H-benzo[b]fluorene-type hydrocarbon 61 exclusively.

278 ioxygenation routes degrade fluoranthene via fluorene-type metabolites, whereas the C-7,8 routes oxid

279 the terminal arylacetylenes lead to benzo[b]fluorenes, under thermodynamic conditions, instead of de

280 A variety of 9H-fluorene underwent selective and exclusive mono-C9-alkyl

281 OMO-LUMO transition from the dithiole to the fluorene unit.

282 significantly alters the aromaticity of the fluorene unit.

283 electron acceptor 9-[di(4-pyridyl)methylene]fluorene units (compound 16) at the core of the molecule

284 tracarboxylate (Py-FP) linkers, in which the fluorene units (F) in the FP "arms" play a key role in p

285 dically shifted with an increasing number of fluorene units and anodically shifted by the conjugated

286 show that each polaron occupies 4.5 +/- 0.5 fluorene units, most probably contiguous units.

287 H alkylation and cyclization reactions of 9H-fluorene using a newly developed N,N-bidentate cobalt ca

288 The sp(3) C-H alkylation of 9H-fluorene using alcohol and a Ru catalyst via the borrowi

289 ive catalyst for the sp(3) C-H alkylation of fluorene using alcohol as a nonhazardous alkylating part

290 mplexes an efficient sp(3) C-H alkylation of fluorenes using alcohols as alkylating agents to result

291 strate the improved ability of the new vinyl-fluorene VoltageFluors to monitor action potential kinet

292 A fluorescence-based chemical sensor for fluorene was created by molecularly imprinting a sol-gel

293 The mechanism of the formation of benzo[a]fluorene was investigated.

294 cations of p-substituted diphenylmethylidene fluorenes was explored using three criteria attributed t

295 both C-C and the C-N alkylation reaction of fluorenes was observed with this catalytic protocol.

296 The dications of benzylidene fluorenes were less stable than the dications of dipheny

297 ene, anthracene, biphenyl, dibenzofuran, and fluorene) were found to be very reproducible with relati

298 Selective mono-C9-alkylation of fluorenes with alcohols yielded the corresponding produc

299 to dications was successful for benzylidene fluorenes with p-methoxy, p-methyl, p-fluoro, and unsubs

300 le than the dications of diphenylmethylidene fluorenes; within each type of compound, dications with