Highly Selective Reaction of α-Halo-α, β-unsaturated Esters with Ketones or Aldehydes Promoted by SmI2: An Efficient Alternative Access to Baylis-Hillman Adducts

~%

~45%

~89%

~81%

~34%

~34%

~22%

~19%

~76%

~37%

~67%

~82%

~82%

~52%

~56%

~77%

~99%