Preparation of N,N′-bis(aryl)guanidines from electron deficient amines via masked carbodiimides

Autor: Barvian, Mark R., Showalter, H.D. Hollis, Doherty, Annette M.
Zdroj: Tetrahedron Letters; January 1997, Vol. 38 Issue: 39 p6799-6802, 4p
Abstrakt: Preparation of N,N′-bis(aryl)guanidines by alkylation of electron deficient amines with trityl protected carbodiimides is described. Also reported is a method for the dehydration of N-trityl- N′-aryl ureas to the corresponding carbodiimides using the Burgess reagent.
Databáze: Supplemental Index