Pt-catalyzed enantioselective diboration of terminal alkenes with B2(pin)2.
Pt-catalyzed enantioselective diboration of terminal alkenes with B2(pin)2.
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Pt催化的末端烷烃用B2(PIN)2的对映选择性脱布。
DOI:
10.1021/ja9047762
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发表时间:
2009-09-23
影响因子:
15
通讯作者:
Morken, James P.
中科院分区:
文献类型:
--
作者:
Kliman, Laura T.;Mlynarski, Scott N.;Morken, James P.
The Pt-catalyzed enantioselective addition of bis(pinacolato)diboron to simple monosubstituted alkenes is described. This reaction occurs in the presence of a readily available chiral phosphonite ligand and is effective with a variety of terminal alkene substrates. Importantly, the reaction can operate with catalyst loadings of only 1 mol% Pt. While oxidation of the intermediate 1,2-bis(boronate) ester provides the chiral 1,2-diol as the reaction product, the intermediate may also be subjected to homologation/oxidation to furnish a chiral 1,4-diol as the reaction product.
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