Enantio- and Diastereoselective Synthesis of Hydroxy Bis(boronates) via Cu-Catalyzed Tandem Borylation/1,2-Addition.

Enantio- and Diastereoselective Synthesis of Hydroxy Bis(boronates) via Cu-Catalyzed Tandem Borylation/1,2-Addition.
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DOI:
10.1021/acscatal.7b01123
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发表时间:
2017
期刊:
影响因子:
12.9
通讯作者:
Meek SJ
Meek SJ
中科院分区:
化学1区
文献类型:
--
作者:
Green JC;Joannou MV;Murray SA;Zanghi JM;Meek SJ

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报道了多组分硼化/1,2-加成催化合成1-羟基-2,3-二硼酸酯的反应。催化剂和底物容易获得,形成C-B和C-C键,并产生多达三个连续的立体中心。该反应对芳基、乙烯基和烷基醛和酮都有耐受性,产率高达95%,dr>20:1,er> 99:1。醛和酮的分子内加成导致立体发散过程。羟基双(硼酸酯)酯产物适合于位点选择性化学加工。
Catalytic enantioselective synthesis of 1-hydroxy-2,3-bisboronate esters through multicomponent borylation/1,2-addition is reported. Catalyst and substrates are readily available, form both a C–B and C–C bond, and generate up to three contiguous stereocenters. The reaction is tolerant of aryl, vinyl, and alkyl aldehydes and ketones in up to 95% yield, >20:1 dr, and 99:1 er. Intramolecular additions to aldehydes and ketones result in stereodivergent processes. The hydroxy bis(boronate) ester products are amenable to site-selective chemical elaboration.
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