tert-Butyl isocyanate → HCID 86735196, compound

Participants

Reaction Steps

A mixture of 1.5 g. of 19-hydroxy-17β-pivaloxyandrosta-4,7-dien-3-one and 22.5 ml. of t-butylisocyanate was heated at 95°-100° C. under nitrogen for two days, whereupon 45 ml. of hexane was added and the mixture was concentrated. Subsequent filtration yielded 19-hydroxy-17β-pivaloxyandrosta-4,7-dien-3-one N-t-butylcarbamate, mp 163°-167° C.

Provenance & Evidence