Issue 0, 1979

Bile pigment studies. Part 5. Some fragmentation reactions of bilindiones (bilitrienes)

Abstract

Anodic oxidation of the model bilindione (1) at platinum electrodes in the presence of methanol gives a good yield of the 15,16-dimethoxybilindione (3). With nickel(II) acetate, this compound gives the chelate (6) which fragments upon treatment with acid toafford the tripyrrinone aldehyde (2)via the vinyl ether (8). When the metal-free 15,16-dimethoxybilindione (3) is treated with aqueous acid the same tripyrrinone aldehyde (2) to gether with the parent bilindione (1) are obtained.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1979, 544-547

Bile pigment studies. Part 5. Some fragmentation reactions of bilindiones (bilitrienes)

F. Eivazi and K. M. Smith, J. Chem. Soc., Perkin Trans. 1, 1979, 544 DOI: 10.1039/P19790000544

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