76853-99-1Relevant articles and documents
Sur les possibilites de formation de pyrimidines a partir d'halogeno-3 methoxy-4 coumarines
Takagi, Kaname,Hubert-Habart, Michel
, p. 444 - 448 (2007/10/02)
3-chloro and 3-bromo-4-methoxycoumarins are tranformed by guanidine into 2-amino-5-halo-6-(2-hydroxyphenyl)-4-oxo-3,4-dihydropyrimidines.However, by treatment with benzamidine and acetamidine they lead, not only to the expected pyrimidines, but also to th