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The reactions of a variety of diazo compounds with sulfur dioxide in ethanol

The reactions of a variety of diazo compounds with sulfur dioxide in ethanol. Tanabe, Toyoshige; Nagai, Toshikazu (Coll. Gen.In this study，817-95-8 is also used. 817-95-8 are also occured in this study. Educ., Osaka Univ., Osaka, Japan). Bull. Chem. Soc. Jpn., 51(5), 1459-63 (English) 1978. CODEN: BCSJA8. ISSN: 0009-2673. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) The title reaction of a diazomethane possessing an electron-releasing group gave an olefin as the major product; the reaction of diazomethanes with an electron-withdrawing group gave Et ethers. Et alkanesulfonates were obtained in the case of substituents of an intermediate electronic character. The product distribution is interpreted in terms of the nucleophilicity of the a-C atom of the diazomethane: the preference of the formation of sulfene by the electrophilic attack of SO2 on the diazomethane to the acid-catalyzed decompn. by EtOSO2H reflects the nucleophilicity of the a-C atom in the diazomethane. ..

The reactions of a variety of diazo compounds with sulfur dioxide in ethanol

The reactions of a variety of diazo compounds with sulfur dioxide in ethanol. Tanabe, Toyoshige; Nagai, Toshikazu (Coll. Gen.In this study，817-95-8 is also used. 817-95-8 are also occured in this study. Educ., Osaka Univ., Osaka, Japan). Bull. Chem. Soc. Jpn., 51(5), 1459-63 (English) 1978. CODEN: BCSJA8. ISSN: 0009-2673. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) The title reaction of a diazomethane possessing an electron-releasing group gave an olefin as the major product; the reaction of diazomethanes with an electron-withdrawing group gave Et ethers. Et alkanesulfonates were obtained in the case of substituents of an intermediate electronic character. The product distribution is interpreted in terms of the nucleophilicity of the a-C atom of the diazomethane: the preference of the formation of sulfene by the electrophilic attack of SO2 on the diazomethane to the acid-catalyzed decompn. by EtOSO2H reflects the nucleophilicity of the a-C atom in the diazomethane. ..