New allocolchinoids having functionality in the C ring at position C10 or C11 have been synthesized using the enyne ring-closing metathesis (RCM) reaction for construction of the seven-membered ring and a Diels-Alder-aromatization sequence for the elaboration of the aromatic ring C. [reaction: see text].
已使用烯键闭环复分解(RCM)反应合成七元环和Diels-Alder-芳香化序列来合成芳香环,合成了在C10或C11位置的C环中具有官能团的新
金属
酚类化合物C. [反应:见正文]。