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pro vyhledávání: '"A. G. Zavoshin"'
Autor:
S. I. Zav'yalov, A. G. Zavoshin
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 35:419-422
The cyclocondensation of 2,5,6-triamino-4-oxo-3,4-dihydropyrimidine and tetraaminopyrimidine with butylthioacetone and 2-butylthiopropanal gives 7-methylpteridines, while the reaction of these pyrimidine derivatives with 2-phthalimidopropanal, 1,1-di