Journal of the Chemical Society (Resumed)
838. Seven-membered heterocyclic systems. Part I. The attempted Friedel–Crafts cyclisation of γ-arylsulphonamidobutyric acids
JT Braunholtz, FG Mann
Index: Braunholtz; Mann Journal of the Chemical Society, 1957 , p. 4174,4179
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Citation Number: 2
Abstract
R'= Me) has been prepared by a Dieckmann diester cyclisation. In this paper we describe attempts to establish an alternative synthesis of ketones of this type by Friedel-Crafts ring- closure of a variety of y-arylsulphonamidobutyric acids; unexpected, and in certain cases