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2 restrictine L have been synthesized from the enantiomeric (4R)- and (4S)-4-(tert-butyldimethylsiloxy)
3 stream module by a paralog that produced the enantiomeric ACP-bound diketide caused no changes in pro
7 s derived from D-mannose and D-galactose are enantiomeric and are useful linkers for the synthesis of
8 groundwater systems through a combination of enantiomeric and carbon isotope fractionation to charact
9 the XB interactions in orientating the bound enantiomeric anion guests for chiral selectivity, as wel
16 determination of the absolute configuration, enantiomeric composition and concentration of unprotecte
17 this method has the ability to evaluate the enantiomeric composition and discriminate between enanti
18 determination of the absolute configuration, enantiomeric composition and total concentration of a va
19 on the sulfenyl moiety prevented erosion of enantiomeric composition at these elevated temperatures.
20 crystal surface was studied as a function of enantiomeric composition by temperature programmed desor
21 The cyclization reaction mechanism and the enantiomeric composition of the peropyrene products are
23 determination of the absolute configuration, enantiomeric composition, and overall amount of cysteine
27 racemic mixtures of rapidly interconverting enantiomeric conformers able to recognize a chiral analy
31 by "hand picking" of a few homochiral single enantiomeric crystals allowed for a measurement of their
32 microfluidic strategy for the separation and enantiomeric detection of D-methionine (D-Met) and D-leu
34 also revealed pairs of enantiomers with high enantiomeric discrimination and different secondary stru
37 ect of our approach is the implementation of enantiomeric DNA biosensors, which are synthesized from
38 of a homochiral guest liquid crystal, these enantiomeric domains become diastereomeric, exhibiting u
40 describing the isotope fractionation versus enantiomeric enrichment are demonstrated for all studied
45 opose to draw a parallel between isotope and enantiomeric enrichments and derive a set of conditions
50 olution of homochirality requires an initial enantiomeric excess (EE) between right and left-handed b
52 We report herein an unprecedentedly high enantiomeric excess (ee) for Pd patches deposited onto C
53 diastereomeric excess (de) limits the final enantiomeric excess (ee) of any phosphorus products deri
54 sented chiral assay is able to determine the enantiomeric excess (ee) of D-cysteine in the whole rang
55 s were observed leading to variations in the enantiomeric excess (ee) of the chemisorbed layers with
56 been exploited for precise quantification of enantiomeric excess (ee) ratio (R/S) up to 99:1 in the p
62 determination of the absolute configuration, enantiomeric excess and concentration of the target comp
63 is often challenging for mixtures with high enantiomeric excess and for complex molecules with stron
64 o[3,4:1,2][60]fullerenes with high levels of enantiomeric excess and moderate to good conversions.
66 ketones are prepared in good yield with high enantiomeric excess by rhodium-catalyzed allylic substit
67 molecules and quantitative determination of enantiomeric excess can be achieved in a table-top instr
68 rded a mixtures of trans-(+)-(4S,5R)-4b with enantiomeric excess ee=99% and cis-(-)-(4S,5S)-4a with e
69 t- (left-)handed twisted nanoribbons with an enantiomeric excess exceeding 30%, which is approximatel
70 methylformamide) and observed an increase in enantiomeric excess for 1-phenylethanol of 35% with the
73 sly from reaction mixtures, with an enhanced enantiomeric excess if initially enantioenriched, which
75 e liquid chromatography purification, a high enantiomeric excess of (18)F-FDOPA ( approximately 97%)
79 ve linear model was applied to determine the enantiomeric excess of samples of two alcohols without a
80 of Leu, Pro, and Phe can be deduced from the enantiomeric excess of sublimates, the behavior of the k
85 vided strong evidence that the modulation of enantiomeric excess of the reaction product indeed stems
86 opure complex, alcohols are produced with an enantiomeric excess of up to 85% (S) at TOF up to 2000 h
93 r the syn or anti adduct selectively in high enantiomeric excess when an appropriate chiral ligand wa
94 ssfully cross-coupled in excellent yield and enantiomeric excess with prior conversion of the pinacol
95 rmation of the 3R alcohol configuration (99% enantiomeric excess) and contrasted with racemic 1-octen
96 94%) with high enantioselectivity (up to 99% enantiomeric excess) and excellent chemoselectivity.
97 nantioenriched alpha-branched amines (>/=96% enantiomeric excess) featuring two minimally differentia
98 high enantioselectivity (typically 90 to 99% enantiomeric excess), and afford products that are key p
99 ns of carbenes into C-H bonds with up to 98% enantiomeric excess, 35,000 turnovers, and 2550 hours(-1
100 lucidate the correlation between defects and enantiomeric excess, five characterization techniques (F
102 into valuable chiral benzylic amines in high enantiomeric excess, thereby producing motifs found in p
122 afforded cyclization products at comparable enantiomeric excesses (ee's) and 4-7 times higher cataly
124 ic excess ee=99% and cis-(-)-(4S,5S)-4a with enantiomeric excesses ee=77% and ee=45% respectively.
126 ropyl C-H bonds in high yields and with high enantiomeric excesses in the presence of a rhodium catal
133 -Trp which showed that the percentage of one enantiomeric form can be easily measured in the presence
138 l (E = 22) allowed rapid preparation of both enantiomeric forms of a C21-oxygenated precursor for syn
140 ning substrates that led selectively to both enantiomeric forms of an epoxy vinyl stannane, and a ser
142 mbiguously reveal the coexistence of the two enantiomeric forms of opposite handedness: the left- and
144 seco-analogue of 2) of both the (-)- and (+)-enantiomeric forms of the alkaloid galanthamine [(-)-1]
146 selective total syntheses of the non-natural enantiomeric forms of the recently isolated protoilludan
147 a convergent total chemical synthesis of the enantiomeric forms of the ShK toxin protein molecule.
151 was quantified by the Rayleigh equation and enantiomeric fractionation factors (epsilon(e)) for S. i
153 cross China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon i
156 within these patterns form a pair of chiral enantiomeric gyroid labyrinths (srs nets) over a broad r
158 rther optimization, the discovery of a minor enantiomeric impurity with agonist activity led to the f
159 oth MOFs allow for only direct gauche-gauche enantiomeric interconversion of the glutarate moieties.
161 f a 14-hydroxy (the 4a-hydroxy) group in the enantiomeric isoquinolinones, (+)- and (-)-2), gave (+)-
162 d Sci USA 107(26):11676-11681, where the two enantiomeric labyrinthine domains of the gyroid are conn
163 lly adopt 310 helical conformations in which enantiomeric left- and right-handed conformers are, nece
165 ly suppress the self-assembly process of the enantiomeric macroanions, which is further used to separ
166 oisomers derived from each configurationally enantiomeric macrocycle was investigated in CD3SOCD3 sol
170 ed on the adsorption of pure enantiomers, of enantiomeric mixtures, and of prochiral molecules on chi
171 ved that the error in the measurement of the enantiomeric molar ratio can be related to the E value.
172 ctions are enabled by two complementary, non-enantiomeric multifunctional catalysts, which mutually a
176 mage form of KRas bound to its corresponding enantiomeric nucleotide triphosphate, this study sets th
178 Petromyroxol is a nonracemic mixture of enantiomeric oxylipids isolated from water conditioned w
179 ated ones, the absolute configuration of the enantiomeric pair (6R, 12aR)/(6S, 12aS) can be confident
182 ve reaction produces four stereoisomers (two enantiomeric pairs): following a catalytic asymmetric tr
183 l-mannose are delineated, and for all eight enantiomeric pairs, d and l entities display different c
185 zofuran derivative KMS88009, ZAbeta3W, the D-enantiomeric peptide D3 and its tandem version D3D3 on A
186 e the in vitro and in vivo efficacy of the D-enantiomeric peptide RD2, a rationally designed derivati
190 ely directing the formation of either of two enantiomeric products by a reaction involving 1,22-remot
191 les obtained for the pathways leading to the enantiomeric products suggest that the rate- and stereod
194 and (R)-tosylates were obtained in excellent enantiomeric purities (>98% and >96% enantiomeric excess
196 has been applied to the determination of the enantiomeric purities of delta- and epsilon-chiral prima
198 hod is illustrated by the synthesis, in high enantiomeric purity (generally 95-99% ee), of a variety
199 atively undeveloped area of determination of enantiomeric purity and/or absolute configuration of rem
200 s confirm, that the observed small losses of enantiomeric purity are traced to a triflate-mediated do
207 n conditions on the substrate conversion and enantiomeric purity of the products were investigated.
208 urity were characterised by gamma-C6 of high enantiomeric purity remaining stable during the whole po
209 ddition with almost complete conservation of enantiomeric purity, a finding that argues against the i
224 of components of a diastereomeric (E,Z) and enantiomeric (R,S) oxime into a third reactor column whe
228 ith up to 42:1 diastereomeric ratio and 94:6 enantiomeric ratio (up to 99:1 er after recrystallizatio
229 rystallization of the synthetic products and enantiomeric ratio analysis were subsequently performed.
232 nalysis of the temperature dependence of the enantiomeric ratio established a linear relationship of
234 gives the corresponding cyclopropane with an enantiomeric ratio of 70/30 and, thus, provides proof of
236 obtained in 66-91% yield and 84:16 to >99:1 enantiomeric ratio through reactions performed at ambien
237 re obtained in 69-99% yield and up to a 98:2 enantiomeric ratio using the same reaction conditions.
239 carbon center with up to 90% yield and 97:3 enantiomeric ratio, with only water as the byproduct.
261 charge experiment and the occurrence of high enantiomeric ratios of amino acids in re-crystallization
266 idines, and azepanes in high yields and high enantiomeric ratios via enantioselective formation and s
267 of the propargyl alcohol led to high product enantiomeric ratios when the reaction was conducted in a
274 ons of catalytically competent poses for the enantiomeric reductions and the experimental enantiomeri
275 stable than the RR dimer as a result of the enantiomeric relationship between R-Delta and S-Delta, a
278 rescence response that is independent of the enantiomeric sample composition and readily correlated t
279 helical conformations, the equally populated enantiomeric screw-sense conformers of which are in slow
280 transmitted through a chiral overlayer cause enantiomeric selective chemistry in an adsorbed adlayer.
281 ly, for the entropically driven separations, enantiomeric selectivity can increase at higher temperat
282 e use of additives (i.e., cyclodextrins) for enantiomeric separation as well as any covalent immobili
285 microwave-assisted synthesis of 4BP-TQS, its enantiomeric separation, and their functional evaluation
289 on to accessing synthetic steroids of either enantiomeric series, these steroidal products have been
291 2CH2I, and (iii) a pair of rigid tetrameric, enantiomeric single-handed (P)- and (M)-helical nanotube
293 lies on the fact that carbohydrates exist in enantiomeric states, several conformations, anomeric con
295 olute configuration (3R,5S,6S,7R,11S,14R) is enantiomeric to that originally proposed by the isolatin
296 teric crowding in the catalyst pocket of one enantiomeric transition state, is the main cause for ste
298 a range of supramolecular nanotubes from the enantiomeric triangular naphthalenediimide-based macrocy
299 particular emphasis on the first syntheses, enantiomeric versions, and syntheses that led to the rev
300 tion during the self-assembly process of two enantiomeric wheel-shaped macroanions, [Fe28(mu3-O)8(Tar
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