Thionyl Chloride → HCID 87677891, compound

Participants

Reaction Steps

A solution of the above carboxylic acid derivative (2.38 g; 9.64 mmol) in thionyl chloride (10 ml) was heated under reflux for 1.5 h. The excess thionyl chloride was evaporated under reduced pressure to giving (S)-2,3,11,11a-tetrahydro-1H,5H-pyrrolo[2,1-c][1,4]benzoxazepine-5-one-7-carboxylic acid chloride (2.56 g) as a pale yellow solid.

Provenance & Evidence