Title

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

Document Type

Article

Publication Date

1-1-1979

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 to afford 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) together with the parent bilindione (1) are obtained.

Publication Source (Journal or Book title)

Journal of the Chemical Society, Perkin Transactions 1

First Page

544

Last Page

547

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