123200-98-6Relevant articles and documents
ETHYL CHLOROFORMATE/DMF IN ORGANIC SYNTHESIS. I. A NOVEL REAGENT FOR RING CLOSURE OF 5-AMINO-1-ARYL-4-IMIDAZOLECARBOXAMIDES TO THEIR HYPOXANTHINE DERIVATIVES
El-Bayouki, Khairy A. M.,El-Sayed, Ali S.,Basyouni, Whaid M.
, p. 163 - 166 (2007/10/02)
Ethyl chloroformate/dimethylformamide mixture is used as a new reagent for adding a carbon (C-2 in the purine nucleus) at the formic acid oxidation level during ring closure of 5-amino-1-aryl-4-imidazolecarboxamides leading to the formation of the corresp