Kucukbay, H; Cetinkaya, E; Cetinkaya, B; Lappert, MF
(1997)
From the reaction of electron-rich olefins, bis(1,3-dimethylbenzimidazolidine-2-ylidene), I, or bis(3-methylbenzothiazolidine-2-ylidene), LI with proton active compounds, such as dimethyl phosphite, diethyl phosphite, ...