Tetrahedron

Catalytic decomposition of diazo compounds by metal salts

T Shirafuji, Y Yamamoto, H Nozaki

Index: Shirafuji,T. et al. Tetrahedron, 1971 , vol. 27, p. 5353 - 5358

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Citation Number: 9

Abstract

CuII carboxylates dissolved in aq DMF catalyse thermal decomposition of diphenyldiazomethane 1 to afford benzopinacol dicarboxylates 2 in favourable yields. Chelate salts of CuII carboxylates such as salicylate, glycinate or tartrate accelerate thermolysis of 1 affording not 2 but tetraphenylethylene and beneophenone azine. These products are explained by assuming a copper carbenoid. The decomposition of 1 is ...

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