国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） C07（2）
IPC小类 B01J（2）
IPC C07D213/61（2）
发明人
公开年
申请年
专利权人

Synthesis of symmetrical disulfide by dissolving insoluble copper salt and amine in methanol to form mixed solution, dispersing graphene in methanol to form dispersion liquid, mixing halide, elemental sulfur, copper-based catalyst, acid binding agent and solvent and carry out post-processing.

CHEN X, ZHOU S, RUAN J, JIN H, QIAN C

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