作者:Marie Vayer、Weizhen Fang、Régis Guillot、Sophie Bezzenine-Lafollée、Christophe Bour、Vincent Gandon
DOI:10.1039/c6ob02122k
日期:——
1,3-Dienyl β-keto esters are cyclised into bicyclolactones using the Bi(OTf)3/TfOH catalytic system. This reaction represents a rare case of simultaneous C–C and C–O bond formation at positions 1 and 3 of a 1,3-diene. Application to the synthesis of ramulosin is presented.
使用Bi(OTf)3 / TfOH催化系统将1,3-二烯基β-酮酸酯环化成双环内酯。该反应代表了在1,3-二烯的1和3位同时形成C–C和C–O键的罕见情况。介绍了在Ramulosin合成中的应用。