摘要
苯胺经氯乙酰化、缩合、重排三步一锅合成N-苯基-2,6-二氯苯胺,继而再氯乙酰化、环合、水解开环即得双氯芬酸钠,总收率64%。
N(2,6Dichlorophenyl) aniline prepared from aniline by chloroacetylation,etherification and rearrangement in onepot procedure was subjected to chloroacetylation,cyclization and hydrolysis to afford diclofenac sodium in 64% overall yield based on aniline.
出处
《中国医药工业杂志》
CAS
CSCD
北大核心
1998年第8期339-341,共3页
Chinese Journal of Pharmaceuticals