Cp2TiCl2-CATALYZED REACTION OF GRIGNARD REAGENTS WITH ISOCYANATES, FORMATION OF REDUCTION-COUPLING PRODUCT OF ISOCYANATES

Article abstract of DOI:10.1016/S0040-4039(00)80173-2

Phenylisocyanate and phenylthioisocyanate react with Grignard reagents in the presence of a small amount of Cp2TiCl2 at room temperature to afford reduction-coupling products, N-methyl-N,N'-diphenylurea and N-methyl-N,N'-diphenylthiourea.