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.
描述了锂-液氨介导的δ,ε-不饱和酯的碳环化,通过环化反应生成环戊烷,以及稠合和螺环化。
Synthesis of methyl-substituted trans- and cis-1-thiadecalins
作者:Peter K. Claus、Friedrich W. Vierhapper、Rodney L. Willer
DOI:10.1021/jo00445a006
日期:1977.12
CLAUS P. K.; VIERHAPPER F. W.; WILLER R. L., J. ORG. CHEM. <JOCE-AH>, 1977, 42, NO 25, 4016-4023