Diels–Alder chemistry of 2-cyanoalk-2-enones. A convenient general approach to angularly substituted polycyclic systems
作者:Jia-Liang Zhu、Hsing-Jang Liu、Kak-Shan Shia
DOI:10.1039/b004297h
日期:——
conjugated dienes; sequential treatment of the adducts with lithium naphthalenide and an alkylating agent resulted in the direct replacement of the angular cyano group with an alkyl group, providing easy access to angularlysubstitutedpolycyclicsystems.