IMPROVED SYNTHESIS OF METHYL-SUBSTITUTED AND PHENYL-SUBSTITUTED PYRIDO-[2,3-D]PYRIMIDINE-2,4-DIAMINES

Citation
R. Troschutz et T. Dennstedt, IMPROVED SYNTHESIS OF METHYL-SUBSTITUTED AND PHENYL-SUBSTITUTED PYRIDO-[2,3-D]PYRIMIDINE-2,4-DIAMINES, Archiv der pharmazie, 327(4), 1994, pp. 221-224
Citations number
24
Categorie Soggetti
Chemistry,"Pharmacology & Pharmacy
Journal title
ISSN journal
03656233
Volume
327
Issue
4
Year of publication
1994
Pages
221 - 224
Database
ISI
SICI code
0365-6233(1994)327:4<221:ISOMAP>2.0.ZU;2-1
Abstract
The title compounds 4b-g, 10a,b and 13 can be prepared in improved yie lds by ''cyclocondensation'' of the 1,3-biselectrophiles 1a-e, 5b,f,g, 7b,d, 8a,b, and 12 with 2,4,6-triaminopyrimidine (2).