PROCESS FOR PREPARING NEW STEROIDS, 16-/5'-SPIRO-1',3'-DI-OXANYL/-COMPOUNDS

摘要

1488457 Steroid - 16 - spiro - 51 - (11,31- dioxanes) RICHTER GEDEON VEGYESZETI GYAR RT 24 Oct 1975 [31 Oct 1974] 43720/75 Heading C2W The invention comprises compounds of formula wherein R 1 is C 1-4 alkyl, and Z is where R 2 is H or C 1-4 alkyl; and their preparation from the corresponding 17-ones having OH in place of OR 1 (see Specification 1,482,866) by alkylation to introduce R 1 followed by reduction of the 17-oxo group. Compounds I are credited with progesteronelike activity.