|
|
催化学报 2006
离子液体催化丙烯腈氯化合成2,3-二氯丙腈, PP. 106-108 Keywords: 离子液体,丙烯腈,催化氯化,3-二氯丙腈 Abstract: ？IonicliquidsformedbyimidazoliumandpyridiniumcationswithCl-,Br-,BF-4,andPF-6anionswereusedforthecatalyticsynthesisof2,3-dichloropropionitrilebythechlorinationofacrylonitrile.TheionicliquidscontainingCl-andBr-showgoodcatalyticproperties.TheCl-andBr-ionsactasstrongLewisbasesandmolecularchlorineisactivatedbytheinductioneffectofCl-andBr-.DuetothestrongersterichindranceeffectoftheBF-4andPF-6anions,thechlorinationofacrylonitrileislimitedintheionicliquidscontainingBF-4andPF-6anions.
|
