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公开(公告)号:US3853947A
公开(公告)日:1974-12-10
申请号:US33875873
申请日:1973-03-07
Applicant: BASF AG
Inventor: WEITZ H , GOLSER L , SCHWARTZ E
IPC: C07C253/34 , C07C20060101 , C07C67/00 , C07C253/00 , C07C253/14 , C07C255/04 , C07C255/09 , C07C255/33 , C07C255/45 , C07C255/51 , C07C121/30
CPC classification number: C07C255/00
Abstract: Recovery of pure 1,4-dicyanobutenes from 1,4-dicyanobutenes containing halogen, particularly chlorine or bromine, by treatment with a hexamethylenediamine or with dihexamethylenetriamine in the liquid phase and separation of the 1,4-dicyanobutenes from the reaction products of the added hexamethylenediamine with the halogen compound.
Abstract translation: 通过在液相中用六亚甲基二胺或二六亚甲基三胺处理,从含有卤素,特别是氯或溴的1,4-二氰基异腈中回收纯的1,4-二氰基异丁烯,并从所加入的反应产物中分离出1,4-二氰基 六亚甲基二胺与卤素化合物。