Tetrahedron Letters

Reductive electrochemical formation of 6H-dibenzo [b, d] pyran-6-one and 2-benzopyran-1 (1H)-one

B Batanero, F Barba, I Barba, MN Elinson

Index: Batanero, Belen; Barba, Fructuoso; Barba, Isidoro; Elinson, Michail N. Tetrahedron Letters, 2014 , vol. 55, # 1 p. 82 - 85

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Citation Number: 5

Abstract

Abstract In the present Letter several carbolactones (oxidative products) are obtained under aprotic cathodic conditions in the preparative scaled electrolysis of 1, 2-quinones in a divided electrochemical cell and in the presence of oxygen. When 9, 10- phenanthrenequinone is reduced 6H-dibenzo [b, d] pyran-6-one and [1, 1′-biphenyl]-2, 2′- dicarboxylic acid are obtained as major products. In the reduction of 1, 2-naphthoquinone, ...