Water → HCID 70632676, compound

Participants

Reaction Steps

3α-Hydroxy-5α-pregn-9(11)-en-20-one (3.7 g.) was dissolved in pyridine (37 ml.) and acetic anhydride (18.5 ml.) added; the reaction was allowed to stand at room temperature for 66 hr. It was then poured into water (4 l.) and stored at 2° for 2 hr., the white solid was filtered off and dried to give the title compound (3.8 g.) m.p. 163°-165°.

Provenance & Evidence