Superacid cyclodehydration of ketones in the production of tricyclic antihistamines

DP Schumacher, BL Murphy, JE Clark…

Index: Journal of Organic Chemistry, , vol. 54, # 9 p. 2242 - 2244

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Citation Number: 29

Abstract

... Chem. 1972,15,750-754. (3) McOmie, J. F. W. Protectiue Groups in Organic Chemistry; Ple- num Press: New York, 1973; p 409. (4) For a review of the Ritter reaction, see: Krimen, LI; Cota, DJ org. ... 56-58 "C; NMR (200 MHz, CDCl3) 6 1.52 (s, 9 H), 2.75 (s, 3 H), J. Org. Chem., Vol. ...