Stereochemical studies. Part 92. Nitrogen bridgehead compounds. Part 61. Synthesis and X-ray analysis of 4,8-dimethylperhydrocyclopenta[d]pyrido[1,2-a]pyrimidin-10-one diastereoisomers
Abstract
Stereoisomeric 4,8-dimethylperhydrocyclopenta[d]pyrido[1,2-a]pyrimidin-10-ones were prepared by reduction. Two of the eight possible stereoisomers were found in the reaction mixture, and their steric structures were determined by X-ray analysis.