Tetrahedron letters

Oxygen ylides-II.: Photochemical and rhodium-catalyzed reactions of diazomethane with (S)-2-methyloxetane

W Kirmse, P Van Chiem, V Schurig

文献索引：Kirmse, Wolfgang; Chiem, Pham Van Tetrahedron Letters, 1985 , vol. 26, # 2 p. 197 - 200

全文：HTML全文

被引用次数: 31

摘要

Abstract Photolysis of diazomethane in (S)-2-methyloxetane gives 2-and 3- methyltetrahydrofuran (1: 3.2), the latter being formed with 21% net retention of configuration. In contrast, rhodium acetate catalysis yields racemic 3-methyltetrahydrofuran exclusively.