A direct, highly convergent route to α-methylene-γ-lactones fused to medium and large rings
作者:Leo A. Paquette、José Méndez-Andino
DOI:10.1016/s0040-4039(99)00781-9
日期:1999.6
A general procedure for the synthesis of α-methylene lactones cis- or trans-fused to larger rings is described. The convenient approach originates with two ω-unsaturated aldehydes of the same or different chain length.