Preparation and Catalytic Hydrogenation of Spiro [acenaphthylene??dioxazoles] and spiro [acenaphthylene??isoxazoles]

…, NG Argyropoulos, DN Nicolaides

Index: Lefkaditis, Demetrios A.; Argyropoulos, Nicolaos G.; Nicolaides, Demetrios N. Liebigs Annalen der Chemie, 1986 , # 11 p. 1863 - 1871

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Citation Number: 4

Abstract

Abstract Wittig monoolefination of acenaphthylene-1, 2-quinone (1) with ethyl ( triphenylphosphoranylidene) acetate yields the o-quinomethane derivative 2 which by 1, 3- dipolar cycloaddition reactions with aromatic nitrile oxides affords regioselectively the spiro [acenaphthylene-isoxazoles] 3 and 4. Reaction between 1 and benzonitrile oxide gives the spiro [acenaphthylene-dioxazole] 5 which by treatment with ethyl ( ...