Lithium–liquid ammonia mediated carbocyclisation of δ,ε-unsaturated esters: annulation of cyclopentanones
作者:A. Srikrishna、S.S.V. Ramasastry
DOI:10.1016/j.tetlet.2003.10.164
日期:2004.1
Lithium–liquid ammonia mediated carbanion cyclisation of δ,ε-unsaturated esters leading to cyclopentanes, fused as well as spiro, via annulation is described.