Tetrahedron letters

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

W Kirmse, P Van Chiem, V Schurig

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

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Citation Number: 31

Abstract

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.