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| View Original: | Opianic acid demethylation.svg (580x175) | |||
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| Keywords: Opianic acid demethylation.svg en Demethylation of opianic acid The reaction of opianic acid with strong hydrochloric or hydriodic acid is already described in 1867 by A Matthiessen and G C Foster http //books google com/books id tKsOAAAAIAAJ pg PA39 Researches into the chemical constitution of narcotine and of its products of decomposition The successively showed compounds are 6-formyl-2 3-dimethoxybenzoic acid; 6-formyl-3-hydroxy-2-methoxybe ‹nzoic acid and 6-formyl-2 3-dihydroxybenzoic ‹acid own Wickey-nl 2010-11-17 Opianic acid Demethylation reactions | ||||
