REACTION OF 5,6-DIAMINO-2-METHYLTHIO-4-PYRIMIDINONES WITH THIOUREA
When 5,6-diamino-2-methylthio-4-pyrimidinones are fused with thiourea, 2-amino-8-mercapto-6-purinones (8-mercaptoguanines) are formed in addition to the expected 8-mercapto-2-methylthio-6-purinones (8-mercapto-2-methylthiohypoxanthines).If the reaction time is increased, only the 8-mercaptoguanines are formed.
Girshovich, M. Z.,Muravich-Aleksandr, Kh. L.,Ragozina, T.N.
p. 2168 - 2171
(2007/10/02)
THE DIRECT THIATION OF PYRIMIDINOL DERIVATIVES.
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UEDA,TSUJI,MOMONA
p. 912 - 917
(2007/10/05)
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