Pyridine → HCID 12521648, compound

Participants

Reaction Steps

To a suspension of 0.40 g. of 6,7-dichloro-1,3,4,9-tetrahydro-4-methyl-10H-thieno[3,4-b][1,5]benzodiazepin-10-one in 2.7 ml. of dry pyridine is added, in portions. a total of 0.18 g. of N-chlorosuccinimide. The resulting solution is heated on a steam bath for 15 minutes, cooled and diluted with water. The solid which separates is collected and recrystallized from methanol-water to give off-white crystals, m.p. 270°-272° C. (dec.).

Provenance & Evidence