Journal of the Chemical Society (Resumed)

422. The stability of coumarinic acids. Chelation of the hydroxyl group

M Crawford, JW Rasburn

Index: Crawford; Rasburn Journal of the Chemical Society, 1956 , p. 2155,2157

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Citation Number: 6

Abstract

Examination of a number of new and known substituted coumarins has established that free coumarinic acids can readily be isolated from &-nitrocoumarins but not from other nitrocoumarins. The stability of these acids is attributed to chelation of the nitro-group wlth

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