作者:Patrick J. Murphy、Williams Harri Lloyd、David E. Hibbs、Michael B. Hursthouse、K.M. Abdul Malik
DOI:10.1016/0040-4020(96)00385-7
日期:1996.6
Six model compounds, the tetracycles 14 and 15, the tricycle 20 and the pentacycles 26, 30 and 32 have been prepared to illustrate a biomimetic approach to the guanidine containing natural product ptilomycalin A 1.
Synthesis of a pentacyclic model of ptilomycalin A
作者:Patrick J. Murphy、Harri Lloyd Williams
DOI:10.1039/c39940000819
日期:——
The conversion of dienes 3 and 10 into the pentacyclic guanidine compounds 6 and 11 is reported; their preparation illustrates a potentially biomimetic synthetic route to the biologically active natural product Ptilomycalin A 1.
Process for producing .alpha.,.beta.-unsaturated ketones
申请人:G. D. Searle & Co.
公开号:US04282158A1
公开(公告)日:1981-08-04
Derivatives of .alpha.,.beta.-unsaturated ketones having anticonvulsant activity and methods of their preparation from heterocyclic phosphonium salts and acyclic phosphoranes are disclosed.
Derivatives of .alpha.,.beta.-unsaturated ketones having anticonvulsant activity and methods of their preparation from heterocyclic phosphonium salts and acyclic phosphoranes are disclosed.