ライフサイエンスコーパス: optically active

1 super atomic molecular orbital (SAMO) states optically active.

2 a number of different transformations of the optically active 1,4- and 1,6-addition products are demo

3 ydronaphthalenes was investigated to prepare optically active 1-substituted indanes.

4 Optically active 2-arylaziridines can be stereoinvertive

5 ylamines were obtained in 23-89% yield using optically active 2-benzyl morpholine and N-methyl campha

6 tanding of the photo-physics associated with optically active 2D materials and are crucial for develo

7 Starting from optically active 3,3-difluorolactaldehyde, an alkenyl or

8 irect, convergent, and versatile approach to optically active 3-indolyl methanamines, a structural mo

9 A variety of optically active 3-substituted 3,4-dihydroisocoumarins w

10 leading to the stereoselective synthesis of optically active 3-substituted piperidines via ring expa

11 onverted by sodium borohydride directly into optically active 3-substituted-hexahydroimidazo[1,2-a]py

12 Optically active (3aS,5R,6aR)-5-hydroxy-hexahydrocyclope

13 A convenient synthesis of the optically active 4-amino-2(5H)-furanones is discovered b

14 itially, an efficient synthetic route to the optically active 4-methoxytryptophan ethyl ester 20 on a

15 Furthermore, it is demonstrated that the optically active 4-nitropyrazolidines can be applied as

16 lar cycloaddition with hydrazones, affording optically active 4-nitropyrazolidines containing three c

17 these stereogenic centers were derived from optically active 4-phenylbutyrolactone, synthesized enan

18 ctionalized tetrahydrofuran derivatives from optically active 4-phenylbutyrolactone.

19 son-Khand reaction to form the corresponding optically active 5,5- and 5,6-fused bicyclic products wi

20 chemistry and later is sacrificed to obtain optically active 5.4-spiro-beta-lactams.

21 The adducts are derived from the optically active 7,8-diol 9,10-epoxide (DE) metabolites

22 The complex is characterized by an intense, optically active absorbance located at 847 nm.

23 solution method using commercially available optically active acids, yielding the corresponding DABCO

24 The side chain B was prepared from an optically active alcohol, followed by acetylation and hy

25 etric amount of chiral controller to deliver optically active alcohols.

26 Reactions involving optically active alkylcarbastannatranes occur with excep

27 e report a new method for the preparation of optically active alkylcarbastannatranes, which should fa

28 strategies available for the preparation of optically active allylic formamides.

29 lung approach allows for the construction of optically active allylic nitriles and dithiolanes as wel

30 s to determine the absolute configuration of optically active alpha,beta-unsaturated ketones by means

31 hlorides to produce synthetically versatile, optically active alpha-bromoesters is reported.

32 sformation of racemic alpha-hydroxy acids to optically active alpha-hydroxy acids is reported.

33 undergo asymmetric dihydroxylation to yield optically active alpha-hydroxy aldehydes.

34 dioxolanedione ring, generating a variety of optically active alpha-hydroxy esters in 91-96% ee and 6

35 by their coordination and self-assembly with optically active alpha-methylbenzylamine and 2-formylphe

36 A concise approach for the synthesis of an optically active alpha-methylene-gamma-lactone from p-ch

37 Reaction of optically active alpha-oxazolidinonylallenylstannanes wi

38 ly active N-propargyloxazolidinones produced optically active alpha-oxazolidinonylallenylstannanes.

39 Accordingly, the optically active alpha-substituted reactant affords the

40 The reaction gives an easy entry to optically active alpha-sulfonyl- and alpha-phosphoryl ox

41 Finally, the use of optically active amide enolates delivers beta-hydroxy am

42 e thoughts concerning prebiotic syntheses of optically active amino acids based on this route.

43 Given that we have shown that a variety of optically active amino acids can be synthesized with pro

44 Employment of tethered optically active amino alcohols as pronucleophiles allow

45 yclization, completed the fabrication of the optically active aminohydroxy epoxybenzoxocin 6.

46 thyl)piperazines is presented, starting from optically active and commercially available (2S)-piperaz

47 HPM-1 is optically active, and a study of several crystallites by

48 itanium catalyst was employed to produce the optically active atrolactic ester 16a from the phenol 11

49 echnology has been deployed to construct the optically active aziridine-containing fragment that is j

50 Their structures contain a pi-delocalized optically active backbone composed of phenylene-fluorene

51 ing to the trans opening of each of the four optically active BaP DE isomers at C-10 by the N 2-amino

52 4)barrelenophanedicarbonitrile, 1, the first optically active barrelenophane.

53 Various optically active beta-alkoxyindanone derivatives were ob

54 An efficient one-pot synthesis of optically active beta-alkyl-substituted alcohols through

55 ading to the salinosporamides proceeding via optically active beta-keto secondary amides, are able to

56 r aldehyde reduction, this approach provides optically active beta-substituted delta-nitro alcohols (

57 d to quassinoids and terpenoids from several optically active bicyclic enone systems and Nazarov reag

58 m both an achiral biphenol dialdehyde and an optically active BINOL dialdehyde.

59 A series of optically active BINOL, H(4)BINOL, and H(8)BINOL derivat

60 Optically active bis-THF was converted to protease inhib

61 A novel optically active bisbinaphthyl fluorescent sensor, (S,S)

62 ons for several chiral SWNTs distinguish the optically active "bright" excitonic band polarized paral

63 large (up to tens of meV) splitting between optically active ('bright') and optically passive ('dark

64 precursor was employed to obtain the desired optically active building blocks.

65 IMb-CN, like the CO complex, was found to be optically active by circular dichroism.

66 This study demonstrates that optically active, C(2)-symmetric allene-containing bisph

67 The first method for the synthesis of optically active calix[4]arenes that are chiral as a res

68 ues of Crabtree's catalyst, specifically, an optically active carbene oxazoline derivative, were foun

69 s with excellent chirality transfer from the optically active carbinols.

70 on of acid chlorides to produce a variety of optically active carboxylic acid derivatives from readil

71 aternary pseudoephedrine amide products into optically active carboxylic acids, ketones, primary alco

72 o provides access to the C(15)-precursors of optically active carotenoids with a 3-hydroxy-epsilon en

73 The optically active cavity greatly enhances the light-matte

74 n alternative approach to the preparation of optically active CBI derivatives.

75 Highly ordered and parallel arrays of optically active CdSe nanowires and high-mobility Ge/Si

76 A 3-step asymmetric approach toward the optically active chiral cyclohex-2-enones from anisoles

77 useful catalytic method for the synthesis of optically active chiral sulfur compounds that are otherw

78 resulting in numerous traditional nonlinear optically active chromophores in one single dendron.

79 ents, although its role in the production of optically active chromophoric DOM (CDOM) and a subset of

80 excellent yields (61-98 %) and mostly >90 % optically active cis-aziridines.

81 ement of fluorescent NDs together with other optically active components in complex geometries, appli

82 ic strategy was used to assemble the target: optically active components were generated using asymmet

83 stronger hydrophobic attraction between the optically active components.

84 The enantiomers of an optically active compound are expected to have identical

85 The synthesis of an optically active compound was also achieved.

86 -like nanostructures have been prepared with optically active cores and tips separated by an inert in

87 Optically active cyclobutanones can also be obtained by

88 The reaction provides good yields of optically active cyclohexenes featuring diverse substitu

89 ng enables a novel route to the synthesis of optically active cyclopropane derivatives, which occur w

90 a convenient, atom-economic approach toward optically active cyclopropylcarboxaldehydes from readily

91 Optically active dendrimers containing a 1,1'-binaphthyl

92 wide range of amides and nitriles including optically active derivatives.

93 y providing an extremely preconcentrated and optically active detection spot.

94 symmetric phase-transfer catalysis furnished optically active diaziridines.

95 a convenient pathway to generate a number of optically active dienediynes as the acyclic precursors t

96 etric synthesis of polycyclic compounds from optically active dienediynes has established a novel and

97 emonstrated with efficient transformation to optically active diol and amino alcohol scaffolds.

98 an be readily constructed through the use of optically active diols.

99 And, the most optically active directions are found at their bisectors

100 aining oriented biologically, chemically, or optically active elements.

101 4,5-tetrazine-3,6-dicarboxylate (7) with the optically active enol ether 6 bearing the C23 chiral cen

102 an attractive strategy for the production of optically active epoxides, given an economical and opera

103 Racemic and optically active esters 11-15, 11a,b, 12a, 14a, and 15a

104 nant orbital excitations contributing to the optically active excited state-excited state transitions

105 The spatial and energy distributions of optically active excitons were determined by measuring p

106 m, in which the biomolecules remain strongly optically active, facilitating the acquisition of diffra

107 A series of large, optically active Fe(4)L(6) cages was prepared from linea

108 These pi-conjugated electro-optically active films (with second-order susceptibiliti

109 orine compounds, by enolate alkylation using optically active fluoroiodoacetic acid as the electrophi

110 th optical components will therefore require optically active (for example, direct-bandgap) materials

111 -tetrahydroindolizine-3-carb oxylic acid] in optically active form (60% ee) is described.

112 ihydroxypiperidine ("XylNAc-isofagomine") in optically active form is described.

113 hiral centers and are readily synthesized in optically active form utilizing Sharpless asymmetric epo

114 opentyl acetate, 2, have been synthesized in optically active form.

115 s been chromatographically resolved into its optically active forms, (+)- and (-)-1.

116 etones at ambient temperature to furnish the optically active functionalized (2-azidophenyl)alcohols

117 ed, making it possible to prepare a range of optically active functionalized allylic alcohols in good

118 develop and characterize a novel toolset of optically active, functionally selective GPCRs that can

119 hydrolysis of the oxazoline ring yielded an optically active gamma-lactam of protected alpha-quatern

120 However, the generation and use of optically active GPCRs in these contexts is limited and

121 ctions, we investigate the interface between optically active graphitic carbon nitride (g-C(3)N(4)) a

122 A family of optically active H(8)BINOL-AM compounds containing 3,3'-

123 Use of new, optically active heterocyclic carbene ligands gave subst

124 Multi-segmented nanowires with optically active hybrid core-shell regions are fabricate

125 And, in the case of optically active II-VI and III-V semiconductors, the res

126 effects can potentially be used to engineer optically active III-V semiconductor spin-qubits with a

127 Unsymmetrical imidazolidines 10-14, optically active imidazolidines 20-22, and 2,3-dihydro-1

128 ical resolution provided two novel series of optically active inhibitors of cholinesterase: (-)- and

129 The optically active intermediate 9b, which is expeditiously

130 ed coupling of the allylic bromide 23 to the optically active ketopiperidine 3.

131 With an optically active langasite (LGS) crystal as the electro-

132 Transition metal dichalcogenides are optically active, layered materials promising for fast o

133 rongly enhanced by spatial separation of the optically active ligand molecules within the MOF structu

134 ide the stereocenter for construction of the optically active lysophospholipid molecule, (2) tetrahyd

135 A series of optically active macrocyclic and acyclic bisbinaphthyls

136 Finally, a route to optically active material is provided (see compound 20).

137 uctor molybdenum disulphide introduced a new optically active material possessing a band gap that can

138 n terrestrial contamination, suggesting that optically active materials were present in the early Sol

139 e we demonstrate the selective binding of an optically active membrane protein, the light-harvesting

140 e effects point to a potential for designing optically active microstructures, exploiting the as yet

141 ophores in the field of view and ensure that optically active molecules are separated by much more th

142 his their ability to serve as containers for optically-active molecules.

143 The optically active monoacetate (S)-13 is furnished in exce

144 Novel optically active N(alpha)-protected amino acids with bio

145 The resulting optically active N-arylated beta-amino acid derivatives

146 Optically active N-methyl-S-(nitromethyl)-S-phenylsulfox

147 Lithiation/stannylation of optically active N-propargyloxazolidinones produced opti

148 opargylic boranes generated by lithiation of optically active N-propargyloxazolidinones undergo react

149 Furthermore, in contrast to most optically active nanomaterials (carbon nanotubes, gold n

150 In addition to R1128C, a novel optically active natural product, designated HU235, was

151 These defects are optically active near telecommunication wavelengths, and

152 ere synthesized by an unambiguous route from optically active norephedrines, and their antibacterial

153 Calculated splitting between optically active parallel- and cross-polarized transitio

154 In contrast, a variety of optically active phosphine ligands that were tested gave

155 We report the fabrication of an optically active, plasmonic film of gold nanoparticles b

156 s a straightforward approach to a variety of optically active (poly)hydroxy furans and imidazoles con

157 A series of functionalized and optically active polybinaphthyls have been synthesized f

158 The photorearrangement of optically active, predominantly (R)-1-phenylethyl phosph

159 te, versiconal hemiacetal, is cyclized to an optically active product whose absolute configuration is

160 lysed reactions, allowing the preparation of optically active products with the desired enantiopurity

161 a chiral Lewis acid as the unique source of optically active promoter.

162 s are readily converted to the corresponding optically active propargyl 2,4-hexadienyl ethers.

163 ric alkyne addition to an ynal to synthesize optically active propargylic alcohols containing two alk

164 The optically active propargylic alcohols generated from thi

165 icient and complementary in the synthesis of optically active pyrrolino[3,4:1,2][60]fullerenes with h

166 een a confined electron and the nuclei of an optically active quantum dot provides a uniquely rich ma

167 These new optically active quantum dots exhibit excited-state life

168 Spins in optically active quantum dots offer one potential realiz

169 Rapid formation of optically active (R)-acetolactate by both variants, but

170 ties for subsequent transformations of these optically active, reactive intermediates.

171 ies provide the potential of designing novel optically active reagents for simultaneous molecular ima

172 A microcoil dispersion sheet exhibited optically active response attributed to structural reson

173 Optically active roof-shape amines were prepared and sca

174 en both enantiomeric forms of a drug with an optically active room temperature ionic liquid (RTIL) fo

175 Optically active (S)-alpha-amino acids are prepared in 5

176 en made rigorously with the aid of authentic optically active samples all derived from (3R)-methylcyc

177 Nanogrooved structures were used as optically active scaffolds for producing arrays of funct

178 Furthermore, a series of optically active secondary alcohols could be obtained in

179 prochiral ketones to yield the corresponding optically active secondary alcohols was achieved with W1

180 Optically active secondary alkyltrifluoroborate reagents

181 introduce a trihalomethyl group and generate optically active secondary bromides.

182 We synthesized a new type of optically active semiconductor nanoheterostructure based

183 lar, single-crystalline nanopillar arrays of optically active semiconductors on aluminium substrates

184 These spiroheterocycles, including an optically active series, are readily synthesized by epox

185 hanistic studies of hydrosilylation using an optically active silane substrate, R-(+)-methyl-(1-napht

186 When flexible optically active solutes undergo fast racemization (on t

187 iC) have emerged as a favorable platform for optically active spin-based quantum technologies.

188 The utility of an optically active spiroepoxy-beta-lactone was demonstrate

189 By comparing the disappearance of the optically active substrate with its loss of optical acti

190 Arylation of optically active substrates derived from amino acids als

191 y featured asymmetric catalysis to elaborate optically active substrates into more stereochemically c

192 In the case of optically active substrates, the oxidative cyclization c

193 a series of synthetic transformations of the optically active sulfur-based heterocycles are presented

194 A theoretical formulation for optically active sum frequency generation (OA-SFG) from

195 The next stage of development for optically active surgical adjuncts must address practica

196 Optically active synthesis of 1,3-dioxepan-5-ol along wi

197 icroscopy without their modification with an optically active tag.

198 Butenolides 5a and 13 were used as optically active templates in the de novo synthesis of 4

199 s the stereospecific synthesis of a range of optically active tetrahydrofuran derivatives from enanti

200 oup under mild conditions provides access to optically active tetrahydroisoquinoline-3-carboxylic aci

201 es a three-step route from acid chlorides to optically active tetronic acids, ubiquitous heterocycles

202 sequence that allows for the preparation of optically active trans-1,2-diol monosilyl ether derivati

203 Optically active trans-tert-butyl-2-aminocyclopentylcarb

204 scope of the propargylic amination to yield optically active triazolyl amines is described.

205 approach toward the asymmetric synthesis of optically active trifluoromethylated amines was enabled

206 thyl imines to provide a practical access to optically active trifluoromethylated amines.

207 Bao Gong Teng A, an optically active tropane alkaloid with hypotensive and m

208 A novel and concise synthesis of optically active tryptophan derivatives was developed vi

209 aded refractive index single crystal (GRISC) optically active waveguide.

210 subjected to Suzuki cross coupling affording optically active Z-alkenes and 1,3-cis,trans dienes.