Redox-triggered C-C coupling of alcohols and vinyl epoxides: diastereo- and enantioselective formation of all-carbon quaternary centers via tert-(hydroxy)-prenylation.

Redox-triggered C-C coupling of alcohols and vinyl epoxides: diastereo- and enantioselective formation of all-carbon quaternary centers via tert-(hydroxy)-prenylation.
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DOI:
10.1021/ja504625m
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发表时间:
2014-06-25
影响因子:
15
通讯作者:
Krische, Michael J.
Krische, Michael J.
中科院分区:
化学1区
文献类型:
--
作者:
Feng, Jiajie;Garza, Victoria J.;Krische, Michael J.

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Iridium catalyzed primary alcohol oxidation triggers reductive C–O bond cleavage of isoprene oxide to form aldehyde-allyliridium pairs that combine to form products of tert-(hydroxy)-prenylation, a motif found in >2000 terpenoid natural products. Curtin–Hammett effects are exploited to enforce high levels of anti-diastereo- and enantioselectivity in the formation of an all-carbon quaternary center. The present redox-triggered carbonyl additions occur in the absence of stoichiometric byproducts, premetalated reagents, and discrete alcohol-to-aldehyde redox manipulations.
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