Syntheses of Amorfrutins and Derivatives via Tandem Diels–Alder and Anionic Cascade Approaches
作者:Brian J. Curtis、Robert J. Micikas、Russell N. Burkhardt、Rubin A. Smith、Judy Y. Pan、Katrina Jander、Frank C. Schroeder
DOI:10.1021/acs.joc.0c03043
日期:2021.8.20
We describe two complementary approaches based on a convergent [4+2] logic toward the synthesis of amorfrutins, cannabinoids, and related plant metabolites. An anionic cascade cyclization employing β-methoxycrotonates and β-chloro-α,β-unsaturated esters yielded amorfrutins in four linear steps and demonstrated utility of β-alkoxycrotonate-derived nucleophiles as functional equivalents of β-ketoester-derived