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1 s viable and that natural paracaseolide A is racemic.
2 mparable) sugar acids and sugar alcohols are racemic.
3 nce, the self-assembly of the helicates from racemic 1 proceeds in a completely narcissistic self-sor
4 etylation of the 5R configured enantiomer of racemic 1,2-O-isopropylidene-myo-inositols possessing ch
6 99% enantiomeric excess) and contrasted with racemic 1-octen-3-ol formed in reaction of linoleate 10S
11 es of dinuclear bis-propagators derived from racemic 2-4 was used to attenuate the rate of reversible
12 In this way, the Pd(0)-catalyzed coupling of racemic 2-triflates with aryl boroxines using a TADDOL-d
16 to the enhanced fibril formation propensity, racemic Abeta42 was less prone to form soluble oligomers
18 lay oxidative Heck reaction using achiral or racemic acyclic alkenols and boronic acid derivatives is
20 RhCl(CS-L)]2 were employed in 1,2-additions, racemic addition products were observed, suggesting a C
21 aimed to assess the effectiveness of inhaled racemic adrenaline as compared with inhaled saline and t
22 t of acute bronchiolitis in infants, inhaled racemic adrenaline is not more effective than inhaled sa
26 , as well as chiral amines directly from the racemic alcohol precursors in up to >97 % ee, releasing
27 ively, lipase-catalyzed acetylation of these racemic alcohols, and the complementary hydrolysis of th
28 tereoselectivities in the reaction between a racemic aldehyde and an allyl alcohol, catalyzed by usin
30 lifam, as well as to a cross-coupling with a racemic alkyl electrophile; in the latter process, the c
31 ckel-catalyzed stereoconvergent couplings of racemic alkyl electrophiles are emerging as a powerful t
32 of Rh(I) catalysts enables the conversion of racemic allene to enantiopure cyclopentenone product in
37 r-catalyzed cross-coupling between branched, racemic allylic alcohols and simple olefins is described
38 via direct iridium-catalyzed substitution of racemic allylic alcohols with enamines generated in situ
40 dditions of alkylzirconocene nucleophiles to racemic allylic halide electrophiles were conducted usin
42 ve formation of substituted spiroketals from racemic, allylic carbonates is reported, which enables t
45 gent Negishi arylations and alkenylations of racemic alpha-bromosulfonamides and -sulfones that furni
46 unprecedented stereodivergent resolution of racemic alpha-chiral carboxylic acids, thus providing ac
47 alkyl fluorides through Negishi reactions of racemic alpha-halo-alpha-fluoroketones, which represents
48 t alkyl-alkyl couplings of readily available racemic alpha-haloboronates with organozinc reagents und
49 (3)-umpolung addition of alpha,beta-enals to racemic alpha-keto esters, forming gamma-butyrolactones
51 Here, the enantioselective conversion of racemic alpha-tosyloxy ketones to optically enriched alp
53 ch, the classical kinetic resolutions of the racemic amines have been investigated using Candida anta
59 er, and toluene do not differentiate between racemic and enantiopure dimers and also suggest that the
60 s of lundurines A-C has been accomplished in racemic and enantiopure forms in 11-13 and 12-14 steps,
61 d highly stereocontrolled total syntheses of racemic and enantiopure frog alkaloid 205B (1) were acco
62 phenyl packing motifs between some groups of racemic and enantiopure structures, although they show v
66 ple and unpredicted synthetic pathway toward racemic and scalemic tetrahydrodibenzoimidazoazepines ha
67 nces observed in the (1)H NMR spectra of the racemic and the enantio-enriched compounds in an achiral
74 , we describe a strategy for eliminating the racemic background reaction in asymmetric [2 + 2] photoc
76 tions has been the difficulty of controlling racemic background reactions that occur by direct photoe
77 ination in which one of the enantiomers of a racemic benzylic amine substrates undergoes faster aryl
79 inetic asymmetric transformations (DyKAT) of racemic beta-bromo-alpha-keto esters by direct aldolizat
80 aryl etherase pathway in order to cleave the racemic beta-ether linkages that are present in the back
83 ent arylation reactions of boronic acids and racemic beta-stereogenic alpha-keto esters have been dev
85 dynamic kinetic asymmetric transformation of racemic biaryl substrates on the basis of axial-to-centr
86 r-catalyzed enantioselective fluorination of racemic, branched allylic trichloroacetimidates with Et3
87 ionalized amino acids (FAAs) 1 skeleton from racemic butadiene monoepoxide as a starting material and
88 luding enantiopure R and S branched alkyls, "racemic by mixture", "racemic by synthesis", n-octyl, an
89 tures of right- and left-handed columns from racemic by mixture, racemic by synthesis, other combinat
90 nd S branched alkyls, "racemic by mixture", "racemic by synthesis", n-octyl, and n-dodecyl groups was
91 left-handed columns from racemic by mixture, racemic by synthesis, other combinations of R and S, and
92 ts 2,3-dihydro isomer 2, which is chiral and racemic, by base-catalyzed olefin isomerization followed
95 onstrate that illumination of dispersions of racemic CdTe NPs with right- (left-)handed circularly po
99 lysis shows that host-guest interactions and racemic cocrystallization allow for controlling the soli
100 he nematic elasticity to predefine chiral or racemic colloidal superstructures in nematic colloids.
101 enantiopure (-)-beflubutamid rather than the racemic compound may therefore be advantageous from an e
102 tereoselective interaction of a benzothiazol racemic compound that acts as a positive allosteric modu
103 nsitivity of crystallized forms (enantiopure/racemic compound/polymorphs) to both conditions and subs
105 more, we were able to resolve several of the racemic compounds via chiral HPLC and assign the absolut
107 improve on the therapeutic promise of other racemic compounds, including the development of safer th
108 which has at least two enantiopure and three racemic crystal polymorphs, reveals that there are many
111 allows the analysis of 13 enantiopure and 30 racemic crystal structures of 21 (F/Cl/Br/CH3/CH3O) subs
115 ructural analysis providing insight into the racemic crystallization process as well as structural de
116 vincing evidence of the applicability of the racemic crystallization technique to DNA through the stu
117 rystals containing ferric enterobactin using racemic crystallization, a method that involves cocrysta
118 ork highlights the utility of small-molecule racemic crystallography for obtaining elusive structures
119 termined the X-ray structure of ShK toxin by racemic crystallography, in the course of which we disco
122 es were not suitable for resolution of these racemic cyclic nitrogenated amines, alternative chemoenz
127 nd 5-O-triethylsilyl derivatives of the four racemic diastereomers of 6-(2-ethyl-1,3-dioxolan-2-yl)-5
130 meric esters or by kinetic resolution of the racemic diol 2a using lipase from Candida rugosa (CRL).
131 oss-coupling strategy to kinetically resolve racemic diols with aromatic and aliphatic alcohols, yiel
133 gamma-addition of a racemic nucleophile to a racemic electrophile; through the choice of an appropria
134 specifically, enantioconvergent couplings of racemic electrophiles-that substantially enhances the al
136 ations, we developed a kinetic resolution of racemic epoxides, which proceeds with high selectivity (
137 sed, beta-lactones were first synthesized in racemic fashion via the NCAL process with excellent dias
139 dendrimer, contains a combination of chiral-racemic fluorinated and achiral hydrogenated dendrons (R
140 Two Janus dendrimers contain either chiral-racemic fluorinated dendrons and a green fluorescent dye
141 ules contain environmentally friendly chiral-racemic fluorinated dendrons in their hydrophobic part (
144 gainin 2 (S8A, G13A, G18A), obtained for the racemic form, features a dimerization mode that has prev
145 molecules (i.e., Nutlin-3) provided only the racemic form, with enantiomers being enriched by chromat
151 ensation reaction of (R)-phenylglycinol with racemic gamma-subtituted delta-oxoesters, in a process t
156 of 134 pairs of diastereoisomers and of 279 racemic-homochiral pairs were retrieved from the Cambrid
158 ylinders in the presence of small amounts of racemic hydrophobic amino acid auxiliaries, which are kn
159 oth 4-OH-PCB 95 and 5-OH-PCB 95 changed from racemic (i.e., 0.50) to 0.62 and 0.46, respectively.
160 nlike 5-OH-PCB95, 5-OH-PCB91 remained nearly racemic in most tissues of whole poplars during 10 day e
161 tuted cyclopentanones, which can be prepared racemic (in six steps) or optically pure (in ten steps)
162 ved in the alkynylation of widely available, racemic isochroman and chromene acetals to deliver alpha
163 lins, and we enantioselectively crystallized racemic jasmonic acid, whose absolute configuration had
164 s efficient conversion of readily available, racemic ketals into high-value enantioenriched isochroma
171 a stereoconvergent oxidative dimerization of racemic materials in a transformation that likely coinci
173 ed employing a stereodivergent reaction of a racemic mixture (stereodivergent RRM) involving [4+2] cy
174 By enantioselective HPLC, we solved the racemic mixture and ascertained that the two enantiomers
175 studied in detail the effects of lubeluzole (racemic mixture and single isomers), the aforementioned
177 issistic self-sorting was demonstrated for a racemic mixture consisting of both short and long alleno
178 cile crystal formation occurred from a quasi-racemic mixture consisting of glycosylated L-protein and
179 a mono- and a disubstituted derivative as a racemic mixture has been performed, which confirms the i
180 tereoselective metabolism within the body, a racemic mixture in wastewater suggests a nonconsumed dru
181 Dosing with (+)-pioglitazone instead of the racemic mixture may result in higher levels of brain exp
184 d either an intravenous saline infusion or a racemic mixture of ketamine (100 ng/ml) separated by at
185 (+)- and S-(-)-enantiomers and the R,S-(+/-) racemic mixture of LA or lipoamide, we identified the bi
186 structure of the complex between dCK and the racemic mixture of our new lead compound indicated that
187 rpenetrating, lock-and-key dimers that are a racemic mixture of positive and negative chiralities.
191 line systems showed that each conjugate is a racemic mixture of two atropisomers resulting from the a
192 y observed in the kite C4 structure and as a racemic mixture of two cyclochiral conformers, which are
193 lity crystals were readily obtained from the racemic mixture of {D-DKP ester insulin + L-DKP ester in
197 ogical activities of the two enantiomers and racemic mixture were tested in a New Zealand vineyard.
199 the high load of fluoxetine was present as a racemic mixture, which is typical for fluoxetine in disp
204 wing question based on available data: in 2D racemic mixtures adsorbed on surfaces, is there a clear
205 e of 1S and 1R with respect to resolution of racemic mixtures of 1-phenyl-1-propanol (PP) was studied
206 inside poplar tissues, in contrast to nearly racemic mixtures of 5-OH-PCB95 remaining in hydroponic s
209 uid crystals (NLCs) of achiral molecules and racemic mixtures of chiral ones form flat films and show
212 It has previously been shown that the use of racemic mixtures of naturally chiral macromolecules such
213 Stereodynamic probes typically consist of racemic mixtures of rapidly interconverting enantiomeric
215 ipids, but these studies were performed with racemic mixtures, and the role of stereochemistry remain
216 umed that chemical reactions produced 50:50 (racemic) mixtures of enantiomers, as evidenced by common
218 n beta-etherase assays were conducted with a racemic model substrate, beta-guaiacyl-alpha-veratrylgly
219 ing a cationic cyclization process, into the racemic modification of the unusual uleine alkaloid gilb
221 and this could be readily elaborated to the racemic modifications of the alkaloids uleine, dasycarpi
222 H, (2)H and (13)C NMR spectra of mixtures of racemic mono- and prochiral bis-deuterated glycine-2-(13
223 transition from homochiral nuclei to larger racemic motifs, although the extended homochiral phase e
227 iversity of lignin's monomeric units and the racemic nature of lignin polymers, we propose that bacte
228 e one-step bicyclization of 10-oxocitral to (racemic) nepetalactone in diastereomerically pure form.
230 etry operators are neither ubiquitous in the racemic nor patently superior to first-order operators i
231 yze the stereoconvergent gamma-addition of a racemic nucleophile to a racemic electrophile; through t
232 he term flavonolignin is recommended for the racemic oligomers and polymers of monolignols that start
234 rylene (CTV) crowns substituted with chiral, racemic, or achiral peripheral alkyl chains, including e
236 ngenic wild type (WT) mice were treated with racemic PCB 136, and levels and chiral signatures of PCB
237 ranging from aggregates made of natural and racemic peptides and DNA, through artificial functional
239 In a Leishmania donovani mouse model, two racemic phenylpyridines (71 and 93) were superior, with
244 ature (T(g)) of 15 degrees C compared to the racemic polymer, suggesting potential future application
245 A straightforward approach using a common racemic precursor was employed to obtain the desired opt
247 f the nonaxially chiral derivatives from the racemic products were found to be optically stable under
248 by the fact that the substrates contained a racemic propargyl alcohol that could affect the selectiv
251 These atactic polymers are produced from racemic propylene oxide using chain shuttling agents and
252 telechelic isotactic PPO is synthesized from racemic propylene oxide with control of molecular weight
253 erformed on a large scale, and the resulting racemic protected Fmoc-DSA subunit was separated by supe
254 of the Ts3 protein molecule, and the use of racemic protein crystallography to determine the folded
255 tic ester insulin molecule was determined by racemic protein X-ray crystallography to a resolution of
256 (i) enantioselective transesterification of racemic proxyphylline with vinyl acetate as well as (ii)
257 cross-coupling, specifically, reactions of a racemic pyrrolidine-derived nucleophile with cyclic alky
259 ver exhibited the highest deviation from the racemic ratio, indicating enantiomer-selective metabolis
262 gly, NMR and X-ray analysis gave exclusively racemic (RR/SS)-1,2-disilane 3a, indicating a stereospec
263 nctional theory calculations reveal that the racemic RS dimer is more stable than the RR dimer as a r
266 alpha-chiral tert-butanesulfinylamines from racemic secondary alcohols and Ellman's chiral tert-buta
268 gs of arylzinc reagents with CF3-substituted racemic secondary alkyl halides, a process that necessit
269 omplexes derived from 2-lithio furan and non-racemic secondary and tertiary alkyl or aryl boronic est
270 bes an organocatalytic kinetic resolution of racemic secondary nitroallylic alcohols (2) combined wit
271 rein describe the asymmetric fluorination of racemic, secondary allylic electrophiles with Et3N.3HF u
272 d with a new environmentally friendly chiral racemic semifluorinated alkyl group and with AB3 miniden
273 o allows highly enantioselective addition to racemic seven-membered-ring allyl chlorides for the firs
277 py measurements indicate that inkjet-printed racemic solutions of amino acids can produce nanocrystal
278 ibes the preparation of a series of 17 novel racemic spirocyclic scaffolds that are intended for the
279 China show smaller deviations from those of racemic/standard compound, indicating the DDT residues t
280 sformation--involves the transformation of a racemic starting material into a single enantiomer produ
281 n enantioconvergent mechanism transforms the racemic starting material into a single product enantiom
282 se when there is a kinetic resolution of the racemic starting material, and its magnitude is correlat
283 reospecific for a given beta-enantiomer in a racemic substrate; LigE and LigP beta-etherase homologue
287 ng enantiopure reference compounds of eleven racemic TAGs with C12-C22 fatty acids with 0-2 double bo
288 butyl 3,4-dihydroxybutanoate carbonate) from racemic-tert-butyl 3,4-epoxybutanoate (rac-(t)Bu 3,4-EB)
289 alyzed method for coupling readily available racemic tertiary alkyl chloride electrophiles with amine
291 nitial hit 2, resulting in identification of racemic-trans-(3-((4-(aminomethyl)-6-(trifluoromethyl)py
295 The first reported twisted bis-lactam, a racemic Troger's base (TB) analogue (2), was resolved in
297 ation, and was dose-dependently inhibited by racemic warfarin at a physiologically relevant concentra
298 st one of the polypeptides in the mixture is racemic, which disrupts backbone hydrogen-bonding networ
299 K analogue proteins were determined by quasi-racemic X-ray crystallography and were similar to wild-t
300 ed by Cu-catalyzed [3 + 2] cycloadditions of racemic (Z)-2-benzylidene-5-oxopyrazolidin-2-ium-1-ides
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