The Journal of organic chemistry

One-carbon ring expansion of azetidines via ammonium ylide [1, 2]-shifts: a simple route to substituted pyrrolidines

TM Bott, JA Vanecko, FG West

Index: Yijima, Chino; Hino, Fumio; Suda, Kohji Synthesis, 1981 , # 8 p. 610 - 611

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Citation Number: 20

Abstract

... especially those containing one or more piperidine rings.(6) More recently, this methodology has been applied to the synthesis of the ... azetidinium ylide 3a (eq 1). Regioselective migration of the ester-substituted carbon of 3a (with concomitant ring expansion)(8) in preference to ...