ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Abstract

Structural Studies in Naturally Occurring Anthraquinones using Melting Points

S. B. Kalidhar


Abstract:

When a OH group of an anthrquinone changes to OMe : an increase in mp is indicative of chelated OH methylation; a decrease of mp up to 40°C also depicts chelated OH methylation ; a decrease of mp by 50°C or more hints nonchelated OH methylation.

Keywords:

Anthraquinones; melting point; methylation

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