Tetrahedron letters

Novel reactions of phosphonium ylides with perhaloalkanes: first examples of halophilic attacks by phosphonium ylides and a facile route to α-haloalkylphosphonium …

XY Li, JS Hu

Index: Li, Xing-Ya; Hu, Jin-Shan Tetrahedron Letters, 1987 , vol. 28, # 50 p. 6317 - 6320

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Citation Number: 17

Abstract

Abstract Phosphonium ylides Ph 3 P CHR (R= H, CH 3, C 2 H 5, nC 3 H 7, nC 5 H 11) react readily with perhalofluoroalkanes to afford regiospecifically α-haloalkylphosphonium salts Ph 3 P+-CHXR Y−(X= I, Br, Cl) in good yields. These reactions reveal a new type of