ライフサイエンスコーパス: benzene ring

1 tural DNA pairs by ca. 2.4 A (the width of a benzene ring).

2 the relatively high electron density of the benzene ring.

3 he presence of, and substitution within, the benzene ring.

4 two water molecules, one to each face of the benzene ring.

5 nt electroactive substituents on the central benzene ring.

6 ding to 17 involved an unusual cleavage of a benzene ring.

7 mpound were carried out in the presence of a benzene ring.

8 d methylenes as the bridging moieties to the benzene ring.

9 O)6 complex bonded to the para position of a benzene ring.

10 sed of three [18]annulenes fused at a common benzene ring.

11 ro group being tilted above the plane of the benzene ring.

12 alpha]quinoxaline (2, U-91571) away from the benzene ring.

13 the porphyrins are arranged around a central benzene ring.

14 s also prefer the heteroarene rings over the benzene ring.

15 excited state antiaromatic character of the benzene ring.

16 lief of excited state antiaromaticity of the benzene ring.

17 o the classical pi-facial hydrogen bond to a benzene ring.

18 lkynylphenyl)methylphosphonates containing a benzene ring.

19 ristics of a directing group attached to the benzene ring.

20 en those without the entanglement of a fused benzene ring.

21 ene ring when compared with a para-connected benzene ring.

22 ding compounds with para-substituents in the benzene ring.

23 opropyl side chain attached to a substituted benzene ring.

24 ps attached in an eta6 fashion to all of the benzene rings.

25 ound consisting of alternating thiophene and benzene rings.

26 must have at least two conventionally fused benzene rings.

27 s and triplet ground states for nine or more benzene rings.

28 ally decorating functional groups on the two benzene rings.

29 rbon nanotubes that consist of n para linked benzene rings.

30 ong the chains that are connected via zigzag benzene rings.

31 to proceed via the less reactive noncentral benzene rings.

32 g more than six substituents attached on the benzene rings.

33 d to an overall expansion of the pyrrole and benzene rings.

34 y for the detection of odorants that contain benzene rings.

35 ding alanine dipeptide, carbon nanotube, and benzene rings.

36 rings as compared to the 6-fold symmetry of benzene rings.

37 near planarity of the fused cyclopentene and benzene rings.

38 tuted triangulene that consists of six fused benzene rings.

39 ipodal receptor with a trimethylated central benzene ring (1a) showed a cone-type conformation defini

40 of adenine, both extended by the width of a benzene ring (2.4 A).

41 activity, substitutions at position 4 of the benzene ring A were associated with higher transcription

42 hat noncovalent interactions with associated benzene rings (a simple model of aromatic amino acid sid

43 rongly on the molecular headgroup on the end benzene ring addressed by the tip.

44 reas a new pathway yielding oxidation of the benzene ring after the cleavage of the piperazine ring (

45 ating and electron-withdrawing groups on the benzene ring and additional substitution on the pyran ri

46 model and an archetypal example of the para-benzene ring and are shown to be robust under a weak dis

47 The compounds, which contain a benzene ring and multiple side methyl methyl groups (gal

48 5 to strengthen the interaction between this benzene ring and the agonist's quaternary ammonium (QA)

49 n the charge distribution in the substituted benzene ring and the negative charge of the carboxylate

50 fragments, are formed by the fusion of three benzene rings and belong to the class of open-shell syst

51 bon allotrope with a 2D structure comprising benzene rings and carbon-carbon triple bonds, can be syn

52 electron transport properties of pi-stacked benzene rings and show that when the symmetry of the sys

53 lex with a diyne, which generates two of the benzene rings and the macrocyclic ring of the calix in a

54 of chemical structures based on two or more benzene rings and, depending on their source, can exhibi

55 merization reaction to construct the central benzene ring, and a light-mediated radical cyclization t

56 , the charged side chain is preferred on the benzene ring, and O 1 in the coumarin scaffold is essent

57 p and a small translation of the fluorinated benzene ring, and the (19)F NMR spectrum shows three res

58 ry activity include the dione moiety and the benzene rings, and substitution within the rings affords

59 indolin-3-one, in which a pyrrole ring and a benzene ring are connected with a double bond instead of

60 on the organic chemistry of an eta(2)-bound benzene ring are explored using the complex TpW(NO)(PMe3

61 arley straw adsorbent and pi* carbon atom in benzene ring attached to fluorine of levofloxacin was in

62 y chemo- and regioselective formation of the benzene ring by a palladium-catalyzed formal [2 + 2 + 2]

63 o pentiptycene-units linked at their central benzene ring by triple bonds to a linearly conjugated ph

64 six-pi-electron N-B-N- and B-N-B-substituted benzene rings, [C(3)BN(2)H(6)](+) and [C(3)NB(2)H(6)](-)

65 t least two electron-withdrawing groups on a benzene ring can also be arylated.

66 The benzene ring can further be modified through radical rea

67 l and Hyde" split personality feature of the benzene ring can likely be useful in a range of differen

68 The placement of the thiophene and benzene rings can be accurately controlled to afford a l

69 d C48H24 PAH that lacks the three peripheral benzene rings cannot be transformed into C60, whereas th

70 tabolism, including three nitrogenases, five benzene ring cleavage pathways and four light harvesting

71 n almost planar geometry for the TTF and the benzene ring connected through the vinyl spacer.

72 c transformations which include instances of benzene ring contraction to cyclopentadiene or the forma

73 to the tapered end of the capsule where four benzene rings converge.

74 of aryl rings in the linkages to the central benzene ring, coupled with the presence of only one meso

75 When only saturated clamps are used, the benzene ring current is essentially unchanged.

76 e or more cyclobutadieno clamps disrupts the benzene ring current.

77 duction of the nitrogen-oxide group into the benzene ring decreases the DeltaH(acid) by approximately

78 one of several possible central pathways of benzene ring degradation.

79 arable to that of a NO2- or a CN-substituted benzene ring except for the unpredictable substituent ef

80 ructural motif of a central para-substituted benzene ring flanked by two meta-substituted rings, givi

81 cid to insert aromatic nitro-groups into the benzene rings, followed by treatment with sodium borohyd

82 e tightly capped on one side with a bridging benzene ring, forming deep, chemically accessible caviti

83 ]heptane ring, and analogue 8a, possessing a benzene ring fused to the 5,6 position, were synthesized

84 d corannulene to provide all its sites, five benzene rings fused to a central five-membered ring, for

85 hape-persistent ladder polymer consisting of benzene rings fused together by inflexible bridged bicyc

86 Benzene ring fusion to the parent system results in a st

87 ped coronene derivative in which the central benzene ring has been replaced by a borazine core is des

88 An aromatic benzene ring has been used to replace the pyranose of si

89 roxide might whiten HA-AAAs by oxidizing the benzene ring in AAAs.

90 n exceptionally deshielded protons beta to a benzene ring in C(60)H(18) and C(60)H(36) and relatively

91 or capability, suggesting a preference for a benzene ring in the hydrophobic side chain.

92 Analogs 5-16, in which the benzene ring in the phenylpropyl side chain of the GBR m

93 Each additional benzene ring in the sequence fused to cyclopentadiene in

94 and a local diatropic current at the central benzene ring in two of the series, while the third serie

95 The pyridinium and benzene rings in 11 form a dihedral angle of only 3.9 de

96 hraquinone by this procedure closes four new benzene rings in a single operation to give coronene, al

97 Replacing benzene rings in arenes by thiadiazoles thereby provides

98 onor 5 selectively reduces alkyl-substituted benzene rings in the presence of activated esters and ni

99 bond length alternation in the six-membered benzene rings, indicating aromatic delocalization of ele

100 es substantially, depending on the number of benzene rings interacting with the H(2) molecules.

101 chiral open-shell hydrocarbon, in which one benzene ring is fused to [5]helicene, forming a phenalen

102 the corresponding control compounds where a benzene ring is in the position of the heterocycle, high

103 ilization energy associated with the central benzene ring is, therefore, to a certain degree compensa

104 e the decarboxylation of hydroxy-substituted benzene rings is a common motif in biosynthesis, the mec

105 extended keto-enol tautomerization across a benzene ring, is described.

106 Hexacene, an acene with six benzene rings, is notable for its exceptionally small tr

107 an even number of carbons (22, in six fused benzene rings), it is not possible to draw Kekule-style

108 a preference for ortho- and meta-substituted benzene rings linked directly to the tertiary amine of t

109 both tautomers showed that while the central benzene ring loses aromaticity on enolization, the alpha

110 and instead, double cyclopropanation of the benzene ring occurs.

111 tution in the aliphatic part and that in the benzene ring of an organic molecule can be differentiate

112 t N386 may combine to sterically exclude the benzene ring of b12 W100 from entering a proximal pocket

113 ]BA and [(2)H6]SA feeding indicated that the benzene ring of both guaiacol and veratrole is derived f

114 The benzene ring of N-benzylformamide and the carbon chains

115 that the presence of a hydroxy group on the benzene ring of PEAs resulted in deterioration of enanti

116 r-48 and the interaction of the N-H with the benzene ring of Phe-93 of the enzyme.

117 oxides make a cation-pi interaction with the benzene ring of Phe-93.

118 on-accepting substituents are present on the benzene ring of the benzaldehyde oximes or when the hydr

119 Introduction of a para-nitro group into the benzene ring of the diene enabled separation of the Z,E

120 a and thia analogs of L-tryptophan, with the benzene ring of the indole replaced by pyridine or thiop

121 on conditions, the central and most strained benzene ring of the p-terphenyl systems was susceptible

122 t pulls the imidazole over the electron-rich benzene ring of the tryptophan, possibly strengthening t

123 e branched side-chain of L10 impinges on the benzene ring of Y11 so as to constrict its movement and

124 ndings demonstrate that directly linking the benzene rings of PIs with a single C-C bond is a viable

125 tophanyl side chains in situations where the benzene rings of Trp have van der Waals interactions wit

126 inding is stabilized by stacking between the benzene rings of two adjacent ligands.

127 n of hydroxy and methoxy substituents to the benzene ring on the phenylpropyl moiety of 1a-1d resulte

128 al calculations to explore how the fusion of benzene rings onto aromatic chameleonic units represente

129 nce of H(2)O(2), and byproducts of oxidative benzene ring-opening were detected.

130 onstraining the carbonyl group away from the benzene ring or the greater planarity that results from

131 with the NH(+) pointing to the center of the benzene ring or to the negatively charged C atoms of the

132 Nucleophilic substitutions of the benzene ring proceed with aromatic amines and alcohols u

133 al lineO prefers electrophilic attack on the benzene ring rather than the usual aromatic C-H activati

134 l oxygen-sensitive enzyme that catalyzes the benzene ring reduction reaction that is the rate-limitin

135 Benzene ring reduction requires a large input of energy

136 port through an infinite chain of pi-stacked benzene rings reflects the full 6-fold symmetry of the s

137 es a donor and an acceptor from two adjacent benzene rings, respectively, which enforces globally fol

138 isomerism drives a larger mechanical change (benzene-ring rotation) in a neighbouring ion (i.e., the

139 ion and excited state antiaromaticity of the benzene ring should be reflected in its photochemical re

140 ns between a pyridine ring and a substituted benzene ring show that the pyridine is comparable to tha

141 have similar potencies to QXs with the same benzene ring substitution pattern but are about 10 times

142 For compounds with the same benzene ring substitution pattern, QTOs were generally 5

143 defined coronene molecules (consisting of 13 benzene rings) terminated with linker groups, bridge eac

144 of the anilino group out of the plane of the benzene ring that results in a significantly increased r

145 mol(-1) strain energy and severely distorted benzene rings, this synthesis, which employs a room-temp

146 a deamination reaction at position C4 of the benzene ring to substitute the amino group with an hydro

147 rd pi-quartets or octets, enabling the outer benzene rings to adapt closed-shell singlet Clar pi-sext

148 somers with linear connectivity of the fused benzene rings to those with cis- or trans-bent connectiv

149 ective synthetic route for the annulation of benzene rings to various aromatic systems, including het

150 is related to the number of methyl groups on benzene rings trapped in the nanocages of the preferred

151 isubstituted alkene bearing an electron-rich benzene ring under Kikuchi conditions to give the 2-aryl

152 Double cyclopropanation of the benzene ring was also observed in reactions with indoles

153 benzenesulfonamides with substituents on the benzene ring was designed and synthesized.

154 alene ring in place of the 1,4-disubstituted benzene ring were prepared and tested for antitumor acti

155 iable substitution pattern on the peripheral benzene ring were synthesized in good to excellent yield

156 group at the 5'-position (16) on the indolic benzene ring were synthesized through Fischer indolizati

157 ctron transfer rate through a meta-connected benzene ring when compared with a para-connected benzene

158 resence of the two relatively bulky adjacent benzene rings, which help to stretch the channel, and by

159 how heteroaromatic ring substitution of the benzene ring will change the odour percept of acetopheno

160 eld effect) of the distributed charge in the benzene ring with the negative charge of the anionic cen

161 sults predict that sequential methylation of benzene rings with fewer than four methyl groups will pr

162 Replacement of the benzene rings with heterocyclic substituents increased t

163 saccharides via interactions of both central benzene rings with the sugar CH groups.

164 irst examples of direct pi-stacking of carbo-benzene rings, with inter-ring distances very close to c