Tetrahedron

1, 3-Dipolar cycloaddition of nitrile oxides to 2 (5H)-furanones substituted at the 5-position by sulphur bearing groups

R Alguacil, F Fariña, MV Martín

Index: Farina; Martin; Martin-Aranda; De Guerenu Synthetic Communications, 1993 , vol. 23, # 4 p. 459 - 472

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Citation Number: 23

Abstract

The behavior of the furanones 1–4 towards nitrile oxides 5–7 has been investigated, in particular with respect to the regio-and stereoselectivity. Cycloaddition of benzonitrile oxide (5) to 4, 5-diethylsulphonylfuran-2 (5H)-one (12) leads as sole addition product to the