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And gamma- Lumicolchicosides

And gamma- Lumicolchicosides

Ann Pharmaceut Franc10: 587-592

Photochemical transformation of colchicine yields a mixture of lumicolchicines in variable proportions according to conditions of reaction; these no longer give characteristic tests for tropolones. Similarly, colchicoside yields a mixture of isomeric lumicolchicosides on exposure to light. UV absorption curves, paper chromatographic studies, preparation, physical and chemical properties, and hydrolytic studies with acid and with Streptomyces griseus cultures are given.

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