An unexpected photoadduct of N-carbomethoxymethylpyrrolidine with a chiral butenolide and benzophenone: X-ray structure and synthetic utility

ES de Alvarenga, CJ Cardin, J Mann

Index: Santiago De Alvarenga, Elson; Cardin, Christine J.; Mann, John Tetrahedron, 1997 , vol. 53, # 4 p. 1457 - 1466

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Citation Number: 17

Abstract

The regio-and stereoselective photoinduced addition of N-carbomethoxymethylpyrrolidine to 5 (S)-tert-butyldimethylsiloxymethyl-furan-2 (5H)-one in the presence of benzophenone yields 3 (R)-[N-(diphenylhydroxymethyl) carbo methoxymethylpyrrolidin-2′-yl]-4 (S)-tert- ...