116916-18-8Relevant articles and documents
Cycloaddition of Unactivated 2-Aza-1,3-dienes with Heterocumulenes: A Convenient Route to the Synthesis of 1,3-Difunctionalized Compounds
Barluenga, Jose,Gonzalez, Francisco J.,Gotor, Vicente,Fustero, Santos
, p. 1739 - 1744 (2007/10/02)
The cycloaddition of unactivated 2-aza-1,3-dienes (2) with isocyanates and isothiocyanates (3) gives with complete regio- and chemo-selectivity 1,2-dihydropyrimidin-4(3H)-ones and -thiones (4).This is the first example of a cycloaddition of unactivated 2-