79687-55-1Relevant articles and documents
SYNTHESIS AND THERMAL TRANSFORMATIONS OF QUATERNARY SALTS IN THE SERIES OF 5,7-DIOXOTETRAHYDRO-vic-TRIAZOLOPYRIMIDINE (8-AZAXANTHINE)
Kolesova, M. B.,Muravich-Aleksandr, Kh. L.,Smirnova, N. V.,Girshovich, M. Z.
, p. 954 - 960 (2007/10/02)
The quaternization of methyl derivatives of 8-azaxanthine by various alkylating agents was studied.These compounds form two series of quaternary salts, i.e., 7,8- and 7,9-dimethyl-8-azaxanthinium.When heated, all the quaternary salts undergo rearrangement