Isobutyl chloroformate → Morphine

Participants

Reaction Steps

O3 -Carboxymethyl morphine (3.43 g) and 1.31 ml isobutyl chloroformate were combined in 30 ml DMF at 0°. The resulting clear solution was then added to a stirring solution of 2.88 g BSA and 13 g NaHCO3 in 600 ml of water at 0°. Addition was carried out by means of a syringe with its tip below the solution surface. The solution was stirred in a cold room overnight.

Provenance & Evidence