General synthesis of 2-, 3-, and 4-hydroxyalkylphosphonium salts by the reaction of triphenylphosphine with cyclic ethers in the presence of strong acids

S Yamamoto, K Okuma, H Ohta

Index: Yamamoto(Nakamura), Shin-ichi; Okuma, Kentaro; Ohta, Hiroshi Bulletin of the Chemical Society of Japan, 1988 , vol. 61, # 12 p. 4476 - 4478

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Citation Number: 24

Abstract

Cyclic ethers were efficiently converted to the corresponding hydroxyalkylphosphonium salts by the reaction with triphenylphosphine and trifluoromethanesulfonic or trifluoroacetic acid. The reaction of these salts with bases afforded the corresponding phosphonium inner ...