Two-Carbon Homologation of Aldehydes. Synthesis of trans-α,β-Unsaturated Aldehydes

Article abstract of DOI:10.1016/0040-4039(95)01012-7

2-tri-n-Butylstannylvinyl ethers are useful synthetic equivalents of acetaldehyde in 2-carbon homologation reactions.When reacted with aldehydes in the presence of BF3-OEt2 the corresponding trans-α,β-unsaturated aldehydes are obtained in high yield.