A novel synthesis of purine and deazapurine derivatives from 5-aminoimidazoles
作者:Adnan H. Al-Shaar、David W. Gilmour、David J. Lythgoe、Ian McClenaghan、Christopher A. Ramsden
DOI:10.1039/c39890000551
日期:——
Catalytic reduction of 4-unsubstituted-5-nitroimidazoles (3) in 1,4-dioxane solution is an excellent route to the 5-aminoimidazoles (1) which can be isolated or used in situ to generate good yields of purine or deazapurinederivatives.