Synthesis and stereochemical studies of 6-substituted 1<i>H</i>,3<i>H</i>,6<i>H</i>,7a<i>H</i>-3,3-dimethylimidazo-[1,5-<i>c</i>]thiazol-5-one-7-thiones
作者:Z. Györgydeák、K. E. Kövér、I. Miskolczi、A. Zékány、F. Rantal、R Luger、M. Katona Strumpel
DOI:10.1002/jhet.5570330417
日期:1996.7
intermediates 6 and 9 or their triethylamine salts which afforded the corresponding bicycles 7 and 10 under thermal cyclization or acidification. The stereochemistry has been elucidated by high resolution ram studies, optical rotation measurements and X-ray crystallography.