6533b826fe1ef96bd1284764

RESEARCH PRODUCT

Synthesis and Tautomerization of 6,7-Dihydro-(1,2,3)-triazolo[1,5-a]pyrimidines.

Sergey A. KomykhovSergey M. DesenkoE. S. GladkovOleg V. ShishkinSvetlana V. ShishkinaV. D. OrlovHerbert Meier

subject

ChemistryStereochemistryOrganic ChemistryCondensationGeneral MedicineTautomerMedicinal chemistry

description

The condensation of 5-amino-4-phenyl-1,2,3-triazole (1) with chalcones 2a-e or 3-dimethylamino-propiophenone (4f) leads to the 6,7-dihydro-(1,2,3)-triazolo[1,5-a]pyrimidines 3a-f. The equilibrium of 3 and the tautomeric 4,7-dihydro-(1,2,3)-triazolo[1,5-a]pyrimidines 3′ is described.

https://doi.org/10.1002/chin.200716152