Synthesis of a new hetrocyclic system 7,8-dihydroimidazo[1,2-c][1,3]oxazolo[4,5-e]pyrimidine
作者:A. P. Kozachenko、O. V. Shablykin、A. N. Chernega、V. S. Brovarets
DOI:10.1007/s10593-010-0635-6
日期:2010.12
2-(Acylaminocyanomethylene)imidazolidines are formed on interacting 2-acylamino-3,3-dichloro-acrylonitriles with ethylenediamine. The former are converted into new derivatives of oxazolo[ 4,5-e] pyrimidine on treatment with trifluoroacetic acid, and then with triethyl orthoformate.
Synthesis of the novel heterocyclic system 7,8-dihydroimidazo[1,2-c]-[1,3]oxazolo[4,5-e][1,2,3]triazine
作者:A. O. Gurenko、O. V. Shablykin、A. P. Kozachenko、V. S. Brovarets