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1 here the R(1) or R(2) side chain in 7 has an asymmetric center.
2 ic centers including a fully substituted [N]-asymmetric center.
3 of three C-O bonds, and the generation of an asymmetric center.
4 bility to stereochemically differentiate the asymmetric center.
5 synthesis, particularly for the formation of asymmetric centers.
6 transformations to incorporate the remaining asymmetric centers.
7 lective synthesis of molecules with multiple asymmetric centers.
8  stereoselective installation of the desired asymmetric centers and confirms the stereochemistry of t
9 m alpha-amino acids, affords imidazoles with asymmetric centers appended to N-1 or C-5 with excellent
10 s key step, cylobutanes with four contiguous asymmetric centers are generated with a high level of st
11  of poly-N-vinylpyrrolidinones containing an asymmetric center at C5 of the pyrrolidinone ring were s
12 folate (10-HCO-DHF), which no longer has the asymmetric center at carbon-6 and is metabolized by amin
13 ino acids in natural proteins have a chiral, asymmetric center at the alpha carbon that is of the L-c
14 )-enriched secondary sulfonamides bearing an asymmetric center at the alpha position to the sulfur at
15 sults in the stereoselective induction of an asymmetric center at the spiro carbon to give a mixture
16 ontrol has been employed to generate the key asymmetric centers at C(15), C(16), and C(20) in alkaloi
17 n strategy is based on the production of all asymmetric centers by selective placement of the oxygen
18                              Inversion of an asymmetric center can also be demonstrated when not unde
19  relative stereochemistry at five contiguous asymmetric centers can be controlled through the choice
20 mine whether the chirality of the amino acid asymmetric centers could influence the solution structur
21          The cage ketal 7, which contains 11 asymmetric centers embedded within the ABCDEF-ring frame
22    The configuration of the newly created 5' asymmetric center has been unambiguously assigned by X-r
23           Accordingly, a phenyl group on the asymmetric center in the homologated alkyl chain (Me12),
24 sets of doublets, depending on the number of asymmetric centers in the substituent.
25                       The remaining benzylic asymmetric center is set by a diastereoselective hydrobo
26 he polycyclic caged ketal 3, containing nine asymmetric centers, is prepared in 14 steps from alpha-D
27 ually symmetric object towards its concealed asymmetric center of mass (CoM), but slower when the CoM
28                The strong role of the single asymmetric center of Py-Phe in recognition and its minor
29 ch to the synthesis of indolines bearing two asymmetric centers, one of which is all-carbon and quate
30 tereoisomers that incorporate two contiguous asymmetric centers, one tertiary and one an all-carbon-a
31 y fluorescent oxazole amino acid (lacking an asymmetric center or alpha-amino group) by using modifie