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J.D. Reitze, S.R. Przewloka, B.J. Shearer

The Further Chemistry of Ellagic Acid: I. Synthesis of Tetramethylellagic Acid and Associated Polymer Precursors

A quantitative method for the production of 3,3?,4,4?-tetra-O-methylellagic acid was developed. Ellagic acid was fully methylated under nitrogen and in air using dimethyl sulphate and 25% guanidinium methoxide in N-methyl-2-pyrrolidone. The synthesis of a range of polymer precursors derived from 3,3?,4,4?-tetra-O-methylellagic acid are outlined, including the previously unreported 2,3,4,2?,3?,4?-hexamethoxy-6,6?-diphenoyl-dichloride, 2,3,4,2?,3?,4?-hexamethoxy-6,6?-diisocyanato-diphenyl, 2,3,4, 2?,3?,4?-hexamethoxy-6,6?-diamino-diphenyl, 2,3,4,2?,3?,4?-hexamethoxy-6,6?-dihydroxymethyl-diphenyl and 2,3,4,2?,3?,4?-hexamethoxy-diphenyl-6,6?-dialdehyde.

Holzforschung, Walter de Gruyter

Print ISSN: 0018-3830
Volume: 55, 02/2001
Pages: 171 - 175

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