Amino Nitriles. I. Cyclization of α-Cyanoalkylureas

AF McKay, GY Paris, DL Garmaise

Index: McKay et al. Journal of the American Chemical Society, 1958 , vol. 80, p. 6276,6279

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Citation Number: 13

Abstract

The cyclization of certain 1, 3-bis-(a-cyanoalkyl)-urea derivatives to a bicyclic ring system was observed during a recent study of the chemistry of amino nitriles. This reaction gives substituted 2-imin0-5-0~ 0-2, 3, 5, 6-tetrahydro-7 (H)-imidaz [3, 4-a]-imidazoles (117). In addition, some of the l-(, Y-cyanoethy1)-3-(a-cyanoalkyl)-ureas were cyclized to substituted 4-imino-2-imidazolidones. a-Cy-anoalkylureas have been employedl92 for a long time in ...