An acyl radical initiated tandem 7-endo/5-exo radical cyclization approach to enantiomerically pure bicyclo[5.3.0]decan-2-ones
摘要：
The preparation of acetonide derivatives of erythro and threo 4,5-dihydroxyhept-6-enoic acids from the chiral pool is described. The phenylseleno esters derived from these acids undergo cyclization with tributyltin hydride to give mixtures of cyclohexanones and cycloheptanones. The inclusion of the appropriate four carbon side chain at C-7 leads, via a tandem radical cyclization process, to the title compounds in moderate yield.
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关键词：
ring closure reactions cyclohexane derivatives rings with 7 or more members dioxole derivatives
DOI：
10.1002/chin.199238067
被引量：
年份：
1992
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