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Report | Regular issue | Vol 9, No. 7, 1978, pp.859-861
Published online, 1st January, 1970
DOI: 10.3987/R-1978-07-0859
Selective Demethylation of Papaverinol

Somsak Ruchirawat,* Suporn Suparlucknaree, and Noojaree Prasitpan

*Department of Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok 10400, Thailand


Compound (II), obtained from synthesis, was found to be identical with the product from the reaction of papaverinol with 90% sulphuric acid. 89% Orthophosphoric acid was found to be the acid of choice for the selective demethylation of papaverinol.