反应详情

Prepared by the method described for Example 26 from 1,2,3,4-tetrahydro-8-methoxy-9-nitro-5H-[1]benzopyrano[3,4-c]pyridin-5-one (5.52 g, 0.02 moles) and 1-chloro-2-propanone (3.5 g, 0.038 moles). Recrystallization from methanol gave the product (5.7 g), mp 222°-225° C.

1. customPrepared by the method
2. customRecrystallization from methanol