81968-78-7 → HCID 88597834, compound

Participants

Reaction Steps

The crude 3β-hydroxy-5,7-pregnadien-20-one (1.3 g) prepared in (a) was dissolved in 30 ml of pyridine, and after addition of hydroxylamine hydrochloride (863.2 mg), the solution was stirred for 5 hours at room temperature. After distilling off the pyridine under vacuum, methanol was added to the residue and the precipitating crystal was collected by filtration to obtain 1.04 g of the desired oxime compound.

Provenance & Evidence