Catalytic olefination of carbonyl compounds. Effect of the structure of the carbonyl compound on the reaction

VN Korotchenko, AV Shastin, VG Nenaidenko…

Index: Korotchenko; Shastin; Nenaidenko; Balenkova Russian Chemical Bulletin, 2003 , vol. 52, # 2 p. 492 - 497

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Abstract

Abstract The mechanism of the novel reaction of catalytic olefination of carbonyl compounds was studied. The reaction involves the transformation of hydrazones of aromatic aldehydes and ketones into the corresponding dichloroalkenes and symmetrical azines by the treatment with carbon tetrachloride in the presence of CuCl as a catalyst. The stability of intermediate diazoalkanes is the main factor determining the direction of the reaction. In ...