共 24 条
[3]
STEREOSELECTIVE REACTIONS .14. EFFICIENT ENANTIOSELECTIVE CONSTRUCTION OF QUATERNARY CARBON CENTERS BY THE SEQUENTIAL DIALKYLATION OF (S)-GAMMA-[(TRITYLOXY)METHYL]-GAMMA-BUTYROLACTONE - SYNTHESIS OF OPTICALLY-ACTIVE BETA,BETA-DISUBSTITUTED GAMMA-BUTYROLACTONES
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