Title

Pyrroles and related compounds. Part XXIV. Separation and oxidative degradation of chlorophyll derivatives

Document Type

Article

Publication Date

1-1-1973

Abstract

A convenient, large-scale method for separation of the a and b series metal-free chlorophyll derivatives is described, utilising the Girard 'T' reagent with subsequent chromatography. Efficient procedures for conversion of phaeophytin-a (3) into rhodoporphyrin-XV dimethyl ester (1) and the corresponding 2-vinyl compound (2), involving the classical oxidation to purpurin derivatives, followed by further degradation, are described; n.m.r. data for several important chlorophyll degradation products are reported. Novel oxidative reactions of the isocyclic ring in methyl mesopyrophaeophorbide-a (19) are also described.

Publication Source (Journal or Book title)

Journal of the Chemical Society, Perkin Transactions 1

First Page

2517

Last Page

2523

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