Total synthesis of (+)-brasilenyne via concise construction of an oxonane framework containing a 1,3-cis,cis-diene
2018
The enantioselective total synthesis of (+)-brasilenyne has been accomplished. The key features of the synthesis include the convergent preparation of a highly functionalized endocyclization precursor via selective epoxide opening, the construction of an oxonene skeleton through perfect regioselective Pd(0)-catalyzed endocyclization, and the installation of a 1,3-cis,cis-diene unit via a decarboxylative photophenylselenylation and site-selective selenoxide elimination sequence.
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