131598-63-5Relevant articles and documents
Microwave-assisted synthesis of 8-mercapto-3-methyl-7-alkyl xanthines - An improved method
Zhang, Lei,Zhang, Y. John
, p. 775 - 778 (2007/10/03)
A microwave-assisted synthetic method to prepare novel 8-mercapto-3-methyl- 7-alkyl xanthine compounds is reported. Compared to conventional synthetic route, the new method significantly shortened synthetic steps and reaction time.
3,7-DIALKYL-8-ALKYL- OR -ARYL-3,7-DIHYDROPURINE-2,6-DIONES
Rybar, Alfonz,Hesek, Dusan,Szemes, Fridrich,Alfoeldi, Juraj,Tegza, Marian
, p. 2257 - 2269 (2007/10/02)
3,7-Dialkyl-8-alkyl- or -aryl-3,7-dihydropurine-2,6-diones XII-XIV were synthesized from 5-alkylamino-6-amino-1-alkyl-2,4(1H, 3H)-pyrimidinediones VII-IX by three methods: the first is based upon an acid catalyzed cyclization of the starting derivatives V