反应详情

7-Chloro-6-(4-hydroxypiperidino)-3,4-dihydrocarbostyril and 5-Chloro-6 (4-hydroxypiperidino)- 3,4-dihydrocarbostyril were prepared from 6-(4-acetoxypiperidino)-3,4-dihydrocarbostyril in the same procedure as that described in Example 2, except using of N-chlorosuccinimide instead of N-bromosuccinimide.