国家/地区 中国（2）
IPC部 C（2）
IPC大类 C07（2）
IPC小类 C07D（2）
IPC C07D213/61（2）
发明人 ZHANG X（2）
公开年
申请年
专利权人

Preparation of 2,3-dichloropyridine by chlorination includes reacting 3-aminopyridine, hydrochloric acid and hydrogen peroxide in graphene oxide.

SONG L, ZHANG X, WANG W, ZHANG S, WANG B

Preparation of 2,3-dichloropyridine involves obtaining graphene-copper oxide composite catalyst, adding 2-chloro-3-aminopyridine and concentrated hydrochloric acid, cooling, adding solution of sodium nitrite, and further processing.

ZHANG L, SI N, ZHANG X, ZHOU Y, SHI L, ZHANG J