One-pot biomimetic total synthesis of yuehchukene via the organocatalytic alkylation–cyclization process of a sterically encumbered α-alkyl enal
作者:Nitin S. Dange、Bor-Cherng Hong、Gene-Hsiang Lee
DOI:10.1039/c4ra10222c
日期:——
A concise synthesis of yuehchukene has been achieved using organocatalytic FriedelâCrafts alkylation of indole to a sterically encumbered α-alkyl enal as the key step. A racemization process during the subsequent cyclization steps of the conjugate adduct to yuehchukene was observed.