作者: David Feldman , Dov Zamir , Hugo Keselman , Jakob Oren , Michael Zviely
DOI:
关键词: Group (periodic table) 、 Alkyl 、 Stereochemistry 、 Chemistry
摘要: Compounds of the formula: ##STR1## wherein: n=0 or 1; R1 and R2 are C1 to C3 alkyl groups, may be H when n=0; Y is selected from group: ##STR2## m=1-6 Z=SO2, S, C=O, CH2 C(CH3)2 ; a process for their preparation described.