反应详情

Prepared by the method described for example 26 from 1,2,3,4-tetrahydro-8-methyl-9-nitro-5H-[1]benzopyrano[3,4-c]pyridin-5-one (2.0 g, 0.008 moles), triethylamine (2.3 ml, 0.017 moles), and 1-chloro-2-propanone (0.7 g, 0.008 moles). Recrystallization from methanol gave the product (0.9 g), mp 166°-168° C.

1. customPrepared by the method
2. customRecrystallization from methanol