ライフサイエンスコーパス: enantiomerically

1 ee binaphthol moieties have been synthesized enantiomerically and diastereomerically pure.

2 cyclobutanol 37, which is combined with the enantiomerically defined building blocks ent-15 and 16.

3 Diastereoisomerically pure (dr > 99:1) and enantiomerically enriched (er up to 98:2) substituted pr

4 (Ar=2-MeOPh and related species) results in enantiomerically enriched (up to 93:7 e.r.) cyclopentadi

5 the structurally modified N-aryl unit afford enantiomerically enriched (up to 95% ee) products in up

6 eactions, allowing the preparation of highly enantiomerically enriched (up to 99% ee) precursors of p

7 The resulting enantiomerically enriched 1,1-cyclopropanenitrile esters

8 The enantiomerically enriched 2,3-diphenylpiperazine and the

9 ma-hydroxyalkenes with aryl bromides affords enantiomerically enriched 2-(arylmethyl)tetrahydrofuran

10 A highly efficient one-pot synthesis of enantiomerically enriched 2-aryl-2,3-dihydroquinolin-4(1

11 ylation and oxy-Cope rearrangement delivered enantiomerically enriched 2-methyl 3-allyl cyclohexanone

12 olidine-chiral ligand complexes provided the enantiomerically enriched 2-substituted pyrrolidines.

13 d, which allowed for the synthesis of either enantiomerically enriched 3-substituted indanones or alp

14 resulted in a stereodivergent route to eight enantiomerically enriched 5-F(2)-isoprostanes.

15 TP, catalytic C-C coupling occurs, providing enantiomerically enriched 5-substituted alpha-exo-methyl

16 Enantiomerically enriched [3.1.0] bicycles containing vi

17 t a biomimetic approach for the synthesis of enantiomerically enriched aglains and rocaglamides via k

18 ) system as the hydrogen source and provided enantiomerically enriched alcohols with good yields and

19 ols is illustrated through conversion of the enantiomerically enriched alkylation products to a range

20 -selective NHC-Cu-catalyzed hydroboration of enantiomerically enriched allenes and conversion to the

21 selective fashion that could be converted to enantiomerically enriched allylic alcohols through a cat

22 eactions, involving achiral Ru catalysts and enantiomerically enriched allylic alcohols.

23 ne products provides rapid access to acyclic enantiomerically enriched alpha,alpha'-dialkyl-substitut

24 protecting group on the alpha-oxygen provide enantiomerically enriched alpha,beta-dihydroxy esters wi

25 y esters of alpha-methoxyacetic acid provide enantiomerically enriched alpha,beta-dihydroxy esters wi

26 ssfully on gram-to-kilogram scales, yielding enantiomerically enriched alpha-amino acids.

27 strategy for the conversion of aldehydes to enantiomerically enriched alpha-amino boronates through

28 steine were successfully employed, as was an enantiomerically enriched alpha-OMTM-aldehyde derived fr

29 ecific variant of this reaction provides the enantiomerically enriched alpha-quaternary substituted a

30 he sulfinyl group with HCl yields the highly enantiomerically enriched amine hydrochlorides.

31 ding an effective means for accessing highly enantiomerically enriched amines bearing contiguous ster

32 A method for preparing enantiomerically enriched analogues was also developed.

33 s reaction significantly expands the pool of enantiomerically enriched and functionally complex terti

34 These reactions provide convenient access to enantiomerically enriched and protected beta-hydroxy-alp

35 ition of chiral alcohols to ketenes provided enantiomerically enriched aryl propionic acids, compound

36 and 99 years at 298 K, sufficient to isolate enantiomerically enriched atropisomers.

37 For the first time, enantiomerically enriched atropoisomeric furans have bee

38 However, enantiomerically enriched atropsiomeric enamides should

39 ed through various functionalizations of the enantiomerically enriched beta-silylcarbonyls.

40 s of 4-aryl-4-cyano-1,6-enynes for obtaining enantiomerically enriched bicyclo[3.3.0]octenones, and t

41 tes are treated with Rh2(S-NTTL)4 to provide enantiomerically enriched bicyclobutanes, which can subs

42 le [3,3]-sigmatropic rearrangement to afford enantiomerically enriched BINAM derivatives in good to e

43 n this report, configurationally defined and enantiomerically enriched bromonium and chloronium ions

44 When an enantiomerically enriched carbonate (> or = 99% ee) was

45 The availability of enantiomerically enriched carbonyl-containing compounds

46 .g., efficient acid hydrolysis to afford the enantiomerically enriched carboxaldehyde).

47 reactions provide access to a wide array of enantiomerically enriched chemical diversity that was no

48 Enantiomerically enriched chiral alkylidenes are generat

49 Herein we present a novel route to enantiomerically enriched chiral alpha-substituted carbo

50 ble prochiral starting materials into highly enantiomerically enriched chiral gamma-amino ketones in

51 a powerful strategy for the construction of enantiomerically enriched complex molecules, often with

52 raphy might be expected for any given chiral enantiomerically enriched compound.

53 emization process that allows observation of enantiomerically enriched compounds.

54 ts importance as a tool for the synthesis of enantiomerically enriched compounds.

55 Enantiomerically enriched cyclobutanes are constructed b

56 addition to the stereospecific conversion of enantiomerically enriched cyclopropanes into nonracemic

57 ylidenecyclopropanes can be synthesized from enantiomerically enriched cyclopropene derivatives with

58 An enantiomerically enriched delta-lactam formed from this

59 The Suzuki-Miyaura cross-coupling of chiral, enantiomerically enriched dibenzylic boronic esters is d

60 otocol for conversion of terminal alkynes to enantiomerically enriched diboronates is reported.

61 enantioselective annulation reaction to form enantiomerically enriched dihydropyranones via an N-hete

62 wide variety of aldehydes and dienes to give enantiomerically enriched dihydropyrans.

63 The new method provides access to enantiomerically enriched dihydropyridoindoles from modu

64 icient and selective synthesis of a range of enantiomerically enriched EAS products, which cannot be

65 Enantiomerically enriched fluorinated benzo-fused bicycl

66 n proceeds stereospecifically, generating in enantiomerically enriched form products containing allyl

67 ation, allowing formation of the products in enantiomerically enriched form, despite the intermediacy

68 use of this umpolung synthon has enabled, in enantiomerically enriched form, the first total synthesi

69 thesis of the tricycle ABC-ring system in an enantiomerically enriched form, the use of a formal [3+3

70 The carbonyl allylation reactions provide enantiomerically enriched functionalized homoallylic alc

71 Highly enantiomerically enriched gamma- and delta-lactams have

72 ynamic kinetic resolution (DKR) that affords enantiomerically enriched hemiaminal esters derived from

73 ed enantioselective cyclization to yield the enantiomerically enriched heterobiaryl.

74 Enantiomerically enriched heterocycles can also be prepa

75 ters were found to lead to the corresponding enantiomerically enriched homoallyl alcohols with exclus

76 le method for the rapid synthesis of diverse enantiomerically enriched lactones has been developed ba

77 Most strategies to obtain enantiomerically enriched molecules rely on either gener

78 ble and attractive tool for the synthesis of enantiomerically enriched molecules.

79 s use of chiral malonic esters prepared from enantiomerically enriched monoesters of disubstituted ma

80 lecular aza-Michael reaction gives access to enantiomerically enriched nitrogen-containing heterocycl

81 symmetric method for the syntheses of highly enantiomerically enriched non-natural amino acids using

82 In all enzymatic reactions enantiomerically enriched not naturally occurring isomer

83 tures include the stereoselective opening of enantiomerically enriched oxetanes by hydrogen peroxide,

84 , key intermediates for the synthesis of new enantiomerically enriched P,N-ligands, have been compare

85 oronium ions are generated (by solvolysis of enantiomerically enriched precursors) and shown to be in

86 yclizations involving the alkyne unit of the enantiomerically enriched products are presented as a de

87 Enantiomerically enriched products can be accessed by di

88 The enol ether of the enantiomerically enriched products can be easily differe

89 The enantiomerically enriched products can be functionalized

90 Oxidation of the enantiomerically enriched products furnishes secondary o

91 AP, catalytic C-C coupling occurs, providing enantiomerically enriched products of carbonyl allylatio

92 These transformations generate enantiomerically enriched products with up to 94% ee fro

93 Cleavage of the chiral auxiliary affords enantiomerically enriched products with up to 95% ee.

94 tes butadiene hydrohydroxyalkylation to form enantiomerically enriched products.

95 p is bonded to the 4-position of the initial enantiomerically enriched pyrrolidine ring.

96 stituted allenoates with imines, we obtained enantiomerically enriched pyrrolines in good yields with

97 erse molecular building blocks containing an enantiomerically enriched quaternary centre.

98 se can be trapped with electrophiles to give enantiomerically enriched quaternary substituted product

99 In the presence of enantiomerically enriched Quinap ligand, high enantiosel

100 because the need for calibration curves and enantiomerically enriched samples is avoided.

101 high demand, as they facilitate synthesis of enantiomerically enriched small molecules that are criti

102 h the subsequent iodination of the remaining enantiomerically enriched starting material using a chir

103 Enantiomerically enriched syn-alpha,beta-diamino acid de

104 Enantiomerically enriched tertiary alcohols bearing a py

105 by haloalkylation and cyclization led to the enantiomerically enriched tertiary phosphine sulfide, po

106 conversion of tertiary propargyl alcohols to enantiomerically enriched tetrasubstituted allenes and b

107 This method provides access to enantiomerically enriched trans-3,4-disubstituted delta-

108 yclization initiated by the solvolysis of an enantiomerically enriched vicinal bromochloride.

109 Under the conditions of nickel(0) catalysis, enantiomerically enriched vinyl dioxanones engage boroxi

110 bes a method for the laboratory synthesis of enantiomerically enriched, chiral tetrahydroisoquinoline

111 Enantiomerically enriched, deuterated branched carbonate

112 proach offers the first method for preparing enantiomerically enriched, side chain unprotected alpha-

113 of asymmetric synthesis, the preparation of enantiomerically pure (>/=99% ee) compounds remains a ch

114 nt protecting group manipulation to give the enantiomerically pure (>98%) title compounds in 9-10 ste

115 DNA was exposed to racemic (+/-)- or enantiomerically pure (+)-anti-BPDE solutions followed b

116 The total synthesis of enantiomerically pure (+)-mesembrine is described.

117 Uptake of enantiomerically pure (18)F-(2S,4R)4F-GLN and (18)F-(2S,

118 n through the use of commercially available, enantiomerically pure (1R)- and (1S)-alpha-pinene, which

119 They are easily transformed into enantiomerically pure (1R,2S)-1-aryl[or (1S,2S)-1-alkyl]

120 The enzymatically derived and enantiomerically pure (1S,2S)-3-bromocyclohexa-3,5-diene

121 ethyl (Weinreb) beta-ketoamides derived from enantiomerically pure (EP) alpha-amino acids affords the

122 The same reactions carried out with enantiomerically pure (P)-2 (>99% ee) gave the homochira

123 nd (R(M)R(1))-2, respectively, where 1 is an enantiomerically pure (R) phenoxide and Ar = 2,6-diisopr

124 Here, we report the synthesis of enantiomerically pure (R)- and (S)-5'-C-methyl (C5'-Me)

125 ion-metal-free protocol for the synthesis of enantiomerically pure (R)-(+)-2'-amino-1,1'-binaphthalen

126 7)O,(18)O]phosphoenol pyruvate starting from enantiomerically pure (R)-2-chloro-1-phenylethanol, whic

127 embled in five steps from cycloalkanones and enantiomerically pure (R)-2-phenyl-3-butenamine.

128 Oxidation of enantiomerically pure (R)-N(1)-1'-(1''-naphthyl)ethyl-2,

129 By comparison, an analogue from enantiomerically pure (R,R)-(-)-trans-cyclohexanediamine

130 es than in the original report starting from enantiomerically pure (S)- and (R)-alpha-methyl-serine,

131 Synthesis of enantiomerically pure (S)-acetoxyglutarimide, stereosele

132 We have developed an approach toward enantiomerically pure (S)-methanocarba ribonucleosides b

133 fficient strategy for the total synthesis of enantiomerically pure 1 is described, starting from the

134 Enantiomerically pure 1-arylpropenols 8 have been prepar

135 Using a stereo-controlled synthesis, enantiomerically pure 13S,14S-epoxy-docosa-4Z,7Z,9E,11E,

136 Polymerization of an enantiomerically pure 2,3-dicarboalkoxynorbornadiene rev

137 d the NMDA and sigma(1) receptor affinity of enantiomerically pure 2-(2-phenyl-1,3-dioxan-4-yl)ethana

138 iodine reagents gives a facile synthesis of enantiomerically pure 2-arylproline derivatives for the

139 This is facilitated by synthesis of enantiomerically pure 2-butanethiol (the smallest unsubs

140 enzymatically resolved, providing access to enantiomerically pure 2-pyrones, or converted to alkenyl

141 ormylated and subsequently oxidized to yield enantiomerically pure 2-trifluoromethyllactic acid.

142 Herein, we report two synthetic routes to enantiomerically pure 3'-aminomethyl-5'-carboxy-3',5'-di

143 An efficient synthesis of the enantiomerically pure 3,3'-bis-arylated BINOL derivative

144 by a classical chemical resolution, provided enantiomerically pure 4,4-difluoro-3,3-dimethylproline (

145 Enantiomerically pure 4,5-dihydro-1H-benzo[c]azepines wi

146 The photoactivated evolution of a series of enantiomerically pure 5-oxymethyl-2(5H)-furanones has be

147 The enantiomerically pure 5/5-spiroketal required for the sy

148 DCS incubations with enantiomerically pure [1-(2)H(1)](1R)-FDP revealed that

149 resent the synthesis and characterization of enantiomerically pure [6]helicene o-quinones (P)-(+)-1 a

150 The functionalized, enantiomerically pure [7]helicene 1 derived from bis(ben

151 a convenient and efficient method to access enantiomerically pure alcohol and amine derivatives.

152 and selective preparation of a wide range of enantiomerically pure alcohol derivatives.

153 heterocyclic ketones with (S)-OAB to obtain enantiomerically pure alcohols, and (3) the stereoselect

154 d electrophilic trapping delivers a range of enantiomerically pure alpha-alkoxy and alpha-amino subst

155 on an industrial scale for the production of enantiomerically pure alpha-amino acids.

156 ) in efficient two-step sequences leading to enantiomerically pure alpha-amino N-heterocyclic ketones

157 A strategy for the generation of enantiomerically pure alpha-functionalized chiral Grigna

158 carbonyls; the products of the reactions are enantiomerically pure amines and alcohols, which might s

159 tion followed by Fmoc protection affords the enantiomerically pure amino acid.

160 By means of enantiomerically pure amino acids, we were able to contr

161 nzyme, which is critical for biocatalysis of enantiomerically pure amino acids.

162 is of cis-3,5-disubstituted morpholines from enantiomerically pure amino alcohols is described.

163 Starting from enantiomerically pure aminoalcohols, tetracyclic iminium

164 Aluminum complexes of enantiomerically pure aminomethylpyrrolidine-based salal

165 In the present paper, novel enantiomerically pure analogues were synthesized and opt

166 ent-2-en-1-one to the acetonide derived from enantiomerically pure and enzymatically derived cis-1,2-

167 Compound 2 was found to be enantiomerically pure and identical to the enantiomer 28

168 It gives the material enantiomerically pure and in multigram quantities.

169 cal rotation measurements during exposure to enantiomerically pure and racemic propylene oxide.

170 Disubstituted and enantiomerically pure anhydrides are synthesized from ep

171 repared from a Diels-Alder cycloadduct of an enantiomerically pure anthracene with maleimide.

172 Enantiomerically pure anti-beta-amino alcohols were synt

173 ly by a ligand exchange process involving an enantiomerically pure aryloxide, a class of ligands scar

174 by an iridium complex for the preparation of enantiomerically pure beta-arylamines is described.

175 The ability to isolate enantiomerically pure biaryl atropisomers using a benzyl

176 is cleaved under basic conditions to reveal enantiomerically pure biaryl compounds.

177 nds between isocytosine units embedded in an enantiomerically pure bicyclic framework is reported.

178 erationally simple and scalable synthesis of enantiomerically pure bicyclo[2.2.2]octadiene (bod*) lig

179 A series of enantiomerically pure bicyclo[2.2.2]octenones, including

180 l (BINOL) group and a diastereomerically and enantiomerically pure bis(phenethyl)amino group.

181 y the Cu complex of a commercially available enantiomerically pure bis-phosphine and are complete in

182 be prepared by beginning the synthesis with enantiomerically pure bromopropionic acid.

183 CAS is based on enantiomerically pure building blocks that are designed

184 ring-opening polymerization of a mixture of enantiomerically pure but different monomers using an yt

185 Two enantiomerically pure C4-epimeric dioxabicyclo[8.2.1]tri

186 The enantiomerically pure catalyst system exhibits a stereos

187 Enantiomerically pure chiral amines are ubiquitous chemi

188 able catalytic methods for the production of enantiomerically pure chiral amines is a key challenge f

189 is predominantly associated with the use of enantiomerically pure chiral ligands and catalysts.

190 A series of enantiomerically pure chiral nerve agent analogues conta

191 The synthesis of enantiomerically pure cis- and trans-2-phenyl-3-(trifluo

192 n achieved using the microbially derived and enantiomerically pure cis-1,2-dihydrocatechol 5 as start

193 A series of enantiomerically pure cis-1,2-dihydrocatechol derivative

194 Cyclohexene is converted into enantiomerically pure cis-2-azidocyclohexanol and cis-2-

195 ate-stage regioselective carbonylation of an enantiomerically pure cis-epoxide to a trans-beta-lacton

196 ield of preparation and easy isolation as an enantiomerically pure compound by crystallization.

197 The synthesis of this enantiomerically pure compound containing five stereocen

198 An enantiomerically pure compound in this series exhibits I

199 can be easily converted into a wide array of enantiomerically pure compounds that are difficult to ob

200 uman recombinant enzymes, primary cells, and enantiomerically pure compounds we found that the synthe

201 The enantiomerically pure compounds, (S,S) versus (R,R), exh

202 ng demand for efficient methods of producing enantiomerically pure compounds.

203 ere separated by chiral HPLC, yielding eight enantiomerically pure compounds.

204 one (TZF) by seeding its racemic liquid with enantiomerically pure crystals (enantiomorphs).

205 P-Enantiomerically pure cyclic phosphonamides have been sy

206 of sulcatine G is the highly functionalized, enantiomerically pure cyclobutane ring.

207 se of this synthesis, short syntheses of the enantiomerically pure cyclopentenone and cyclohexene bui

208 When heated, single crystals of enantiomerically pure D- and L-pyroglutamic acid (PGA) a

209 nt here a facile synthetic route that yields enantiomerically pure derivatives comparable in potency

210 yl sulfoxides with Grignard reagents affords enantiomerically pure diarylalkanes in up to 98 % yield

211 hese four has been carried on to a different enantiomerically pure diastereomer of 13-F4t-neuroprosta

212 A critical observation is that the four enantiomerically pure diastereomers of an intermediate a

213 that could allow ready access to each of the enantiomerically pure diastereomers of the several regio

214 itriles were deprotonated and alkylated with enantiomerically pure dibromides to afford the first rin

215 The key starting material is the enantiomerically pure dihydroxy lactone 19, which has pr

216 iol 2b were converted into the corresponding enantiomerically pure diones 4b, the absolute configurat

217 tocol was also used for the synthesis of two enantiomerically pure drug molecules (R)-Naftopidil (alp

218 ic A-alt-B copolymers, where A and B are two enantiomerically pure endo-2-substituted-5,6-norbornenes

219 (slow)) of 370 for propylene oxide, allowing enantiomerically pure epoxide to be recovered in nearly

220 on assisted epoxide ring-opening reaction of enantiomerically pure epoxides can account for ring-size

221 Terminal alkenes are converted into enantiomerically pure epoxides.

222 Enantiomerically pure examples afford high ee values in

223 techol-simulating moiety were synthesized in enantiomerically pure form and investigated for their me

224 lsilyl)butyl side chain has been prepared in enantiomerically pure form as a potential inhibitor of t

225 -1,4-dione 39, which in turn is available in enantiomerically pure form by chemical synthesis.

226 cyclooctadienol shown, readily available in enantiomerically pure form from D-glucose, has given ris

227 onsisting of 4 and 5, which are available in enantiomerically pure form from d-glucose, resulted in t

228 acids (profens) from vinyl arenes in nearly enantiomerically pure form has been developed.

229 2-(1-hydroxy-2-oxocyclohexyl)acetic acid in enantiomerically pure form is reported using environment

230 can be prepared from beta-amino alcohols in enantiomerically pure form through a three-step sequence

231 ich can be isolated and further converted in enantiomerically pure form to beta-methoxy or beta-benzy

232 diformine A, B, and C were synthesized in an enantiomerically pure form using a reductive cyclization

233 cal activity and are difficult to prepare in enantiomerically pure form using other methods.

234 ates, amino acid surrogates, are prepared in enantiomerically pure form via the highly diastereomeric

235 These novel homokainoids in an enantiomerically pure form were synthesized from enantio

236 product in up to quantitative conversion in enantiomerically pure form.

237 the allylic alkylation products in a highly enantiomerically pure form.

238 glycol-derived spacers has been prepared in enantiomerically pure form.

239 desmethyl ritterazine N has been prepared in enantiomerically pure form.

240 ruthenium ligand [{Ru(phen)2}2tpphz](4+) in enantiomerically pure forms.

241 ariety of substituted 4,5-dihydropyrroles in enantiomerically pure forms.

242 -binaphthyl) groups has been prepared in two enantiomerically pure forms.

243 They can be easily converted into enantiomerically pure gamma-fluorinated gamma-phenylsulf

244 Binding affinity for the same enantiomerically pure guest was up to 3 times higher for

245 nthesized through cross-couplings of various enantiomerically pure haloconduritols or certain deoxyge

246 examples which are both water-compatible and enantiomerically pure have been reported.

247 port the design and synthesis of a series of enantiomerically pure hexahydropyrazinoquinolines as pot

248 A method for the preparation of enantiomerically pure hydantoins from optically pure alp

249 ndensation of l-proline methyl ester with an enantiomerically pure hydroxy acid, which in turn was sy

250 The chiral catalyst is generated from an enantiomerically pure imidazolinium salt (prepared in th

251 NMR studies showed that for enantiomerically pure imine complexes, the Delta-fac iso

252 Preparation of enantiomerically pure indole derivatives allowed for the

253 onversion of both substrate enantiomers into enantiomerically pure iodinated products.

254 oxide intermediate and its conversion to the enantiomerically pure isofurans SC-Delta(13)-9-IsoF and

255 cascade sequences that efficiently produced enantiomerically pure key building blocks 15b (ent-zingi

256 the conversion of a symmetrical ketone to an enantiomerically pure lactam is described.

257 sized starting from a commercially available enantiomerically pure lactam, (1S)-(+)-2-azabicyclo[2.2.

258 In addition, a second route to the enantiomerically pure lactone was accomplished by a dias

259 and practical method for the preparation of enantiomerically pure lysobisphosphatidic acid (LBPA), b

260 ic PET imaging agents for breast cancer, and enantiomerically pure materials of defined stereochemist

261 ed by enzymatic desymmetrization produces an enantiomerically pure monoalcohol.

262 Diastereomeric adducts comprising an enantiomerically pure monosaccharide analyte, a peptide,

263 The synthesis of the enantiomerically pure N-Boc 9-azabicyclo[3.3.1]nonane-2,

264 , to the catalytically active diastereo- and enantiomerically pure N-heterocyclic carbene (NHC) by th

265 With enantiomerically pure nitrone 5a and 5b we explored whet

266 ein present an efficient synthetic access to enantiomerically pure noncanonical strigolactones by a S

267 valuable methodology for the preparation of enantiomerically pure organic compounds.

268 he adverse effects of two methyl-substituted enantiomerically pure oxaliplatin analogs [[(1R,2R,4R)-4

269 ntary resolution protocols provide access to enantiomerically pure oxetin and epi-oxetin on gram-scal

270 An efficient and practical synthesis of enantiomerically pure P-chiral dihydrobenzooxaphosphole

271 yielding and practical two-step synthesis of enantiomerically pure perfluorobutanesulfinamide from Se

272 Enantiomerically pure phenyllactic acids are available b

273 )-1(*-)}] and [Li(+){(M)-(-)-1(*-)}] with an enantiomerically pure phosphine oxide ligand.

274 ulations confirmed that the formation of the enantiomerically pure product proceeds via the nonracemi

275 as a source of physical contamination of the enantiomerically pure products and spectral background i

276 esents a synthesis of diastereomerically and enantiomerically pure products in a single flask.

277 delates are then converted into a variety of enantiomerically pure products.

278 Furthermore, when an enantiomerically pure pyrrolidine-based carbonate was us

279 Enantiomerically pure pyrrolidines have been obtained by

280 involving achiral Mo-based bispyrrolides and enantiomerically pure silyl-protected binaphthols.

281 The key starting materials are the enantiomerically pure spiro lactones 4, 15, and 28, whic

282 by comparison with a library of synthesized, enantiomerically pure standards, suggesting that the bio

283 With an enantiomerically pure starting urea, migration proceeds

284 nyl sulfide are promoted by 0.5-5.0 mol % of enantiomerically pure stereogenic-at-Ru complexes with a

285 methodologies for the rapid construction of enantiomerically pure substituted indole has had a fruit

286 Additions of organometallic reagents to enantiomerically pure sulfinimines provide the best and

287 en costly and inefficient, and may not yield enantiomerically pure terpenes, whereas large-scale micr

288 a new strategy for the formation of valuable enantiomerically pure tetrahydrothiophenes and 2,3-dihyd

289 An expedient synthesis of enantiomerically pure threo-beta-hydroxy-alpha-amino aci

290 the stereospecific Corey-Link reaction of an enantiomerically pure trichloromethylcarbinol to give a

291 thod was found effective in the synthesis of enantiomerically pure tryptamine.

292 proteinogenic amino acids in their natural (enantiomerically pure) form.

293 We report that self-assembled enantiomerically pure, amphipathic metallohelicies inhib

294 ng reagents, enabling the syntheses of other enantiomerically pure, stereodefined trisubstituted alke

295 epared stereoselectively and, in some cases, enantiomerically pure.

296 configuration have been made available from enantiomerically related precursors.

297 Enantiomerically rich, racemic, and achiral compositions

298 lphosphonic acid ((S)-HPP) to the regio- and enantiomerically specific epoxide, fosfomycin.

299 polyaromatic hydrocarbon (PAH) embedding six enantiomerically stable [5]helicene units.

300 loying a racemic mixture of d- and l-ribose, enantiomerically twinned crystals are formed that contai