One-pot synthesis of novel 1H-pyrimido[4,5-c][1,2]diazepines and pyrazolo[3,4-d]pyrimidines

Novel 1H-pyrimido [4,5-c][1,2]diazepines 3 & 4 and pyrazolo [3,4-d]pyrimidines 6 were regioselectively synthesised by the reaction of 1,3-dimethyl-6-hydrazinouracils 1 with various α,β-unsaturated compounds 2 and α-ketoalkynes 8 in excellent yields.

Bibliographic Details
Main Authors: Dipak Prajapati, Partha P. Baruah, Baikuntha J. Gogoi, Jagir S. Sandhu
Format: Article
Language:English
Published: Beilstein-Institut 2006-03-01
Series:Beilstein Journal of Organic Chemistry
Online Access:https://doi.org/10.1186/1860-5397-2-5