Synthesis of Ring B Unsaturated Estriols. Confirming the Structure of a Diagnostic Analyte for Smith−Lemli−Opitz Syndrome
作者:Li-Wei Guo、Cedric H. L. Shackleton、William K. Wilson
DOI:10.1021/ol016224j
日期:2001.8.9
[structure: see text] Brief partial syntheses are described for ring B unsaturated estriols, which are candidate metabolites diagnostic for Smith-Lemli-Opitz syndrome prenatally. These steroids are also likely metabolites of the Premarin preparation used in estrogen replacement therapy. Equilin (8) was converted in three steps to 7-dehydroestriol, which was isomerized to 8-dehydroestriol. The simplicity
Dehydro-estriol (8-DHE3) and dehydro-pregnanetriol (7-DHPT), and methods of their synthesis
申请人:——
公开号:US20030220314A1
公开(公告)日:2003-11-27
The invention provides isolated dehydro-estriol (8-DHE
3
) and dehydro-pregnanetriol (7-DHPT), and methods of their synthesis. These compounds are useful in diagnosis of Smith-Lemli-Optiz syndrome (SLOS).