Collect. Czech. Chem. Commun. 1983, 48, 3455-3473
https://doi.org/10.1135/cccc19833455

The bromination of the epimeric 4,5-cyclopropanocholestan-3-ones

Jan Fajkoš, Jiří Joska and Jaroslav Zajíček

Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6

Abstract

Bromination of the epimeric 4,5-cyclopropanocholestan-3-ones I and XIII has been studied and structures of the products were established by chemical and spectral means. Conformation of the A ring in the bromo ketones and bromohydrins is discussed on the basis of spectral evidence.