Abstract
The chlorination of the new type Baylis-Hillman adducts by bis(trichloromethyl)carbonate (BTC) with the aid of catalytic amount of triphenylphosphine oxide (Ph3PO) was achieved with high yields and high stereoselectivities. A plausible mechanism is presented.
Keywords: New type Baylis-Hillman adducts, chlorination, triphenylphosphine oxide, bis(trichloromethyl)carbonate, stereoselectivity