ライフサイエンスコーパス: fluorene

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

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

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

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

5 rt polypeptide conjugated to the fluorophore fluorene.

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

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

8 ibenzothiophene, carbazole, dibenzofuran and fluorene.

9 communication between the fullerenes and the fluorene.

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

11 lding blocks of alternating naphthalenes and fluorenes.

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

13 the preparation of imidazole-functionalized fluorenes.

14 erms of electrostatic interactions among the fluorenes.

15 2,3-benzofluorene (0.26 eV), 12H-dibenzo[b,h]fluorene (0.65 eV), 13H-indeno[1,2-b]anthracene (0.82 eV

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

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

18 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

33 ,2-b]fluorene-6,12-dione, 2,2'-(indeno[1,2-b]fluorene-6,12-diylidene) dimalononitrile, bisindenofluor

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

53 Fluorenes and methylene-bridged polyarenes were easily a

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

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

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

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

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

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

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

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

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

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

64 Indenes and fluorenes are obtained by intramolecular reaction of hig

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

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

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

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

69 3,4-ethylenedioxy thiophene as the donor and fluorene as the shielding unit, the best performance flu

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

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

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

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

74 Branched fluorene-based chromophores bearing electron-donating di

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

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

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

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

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

80 Fluorene binding was detected by a change in NBD fluores

81 limited by a lack of reversibility following fluorene binding.

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

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

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

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

86 9,10-dihydroanthracene (DHA), xanthene, and fluorene by [(bpy)(2)(py)Ru(IV)O](2+) in acetonitrile so

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

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

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

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

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

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

93 9-bis(6'-N,N,N-trimethylammoniumhexylbromide)fluorene)-co-phenylen e] and S1 nuclease, unambiguous FR

94 [9,9-bis(6'-methyl imidazolium bromide)hexyl)fluorene-co-4,7-(2,1,3-benzothiadiazole)] (PFBT-MI) was

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

96 [9,9'-bis(6''-N,N,N-trimethylammonium)-hexyl)fluorene-co-alt-4,7-(2,1, 3-benzothiadiazole) dibromide]

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

98 [9,9'-bis(6''-(N,N,N-trimethylammonium)hexyl)fluorene-co-alt-4,7-(2,1,3-benz othiadiazole) dibromide]

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

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

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

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

103 Compared to fluorene containing copolymers with the same acceptor un

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

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

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

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

108 rings connecting two fullerenes to a central fluorene core.

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

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

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

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

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

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

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

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

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

118 The novel fluorene derivatives were fully characterized, including

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

138 New organic dyes containing fluorene functionalized with two imidazole chromophores

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

159 can be correlated with the distance between fluorene moieties.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

181 , electrocyclization can lead to substituted fluorene products.

182 containing tetrathiafulvalene vinylogue and fluorene repeat units.

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

184 ey are polarons occupying approximately four fluorene repeat units.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

200 For fluorene, such signature is not identified probably due

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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