Enantioselective, Lewis Base-Catalyzed Carbosulfenylation of Alkenylboronates by 1,2-Boronate Migration
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https://figshare.com/articles/dataset/Enantio_selective_Lewis_Base-Catalyzed_Carbosulfenylation_of_Alkenyl_boronates_by_1_2-Boronate_Migration/7321730
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资源简介：
A catalytic,
enantioselective method for the preparation
of chiral, non-racemic, alkylboronic esters bearing two vicinal
stereogenic centers is described. The reaction proceeds via
a 1,2-migration of a zwitterionic thiiranium–boronate
complex to give exclusively anti carbosulfenylation
products. A broad scope of aryl groups migrate with good yield and
excellent enantioselectivity (up to 99:1 e.r.). Similarly, a
range of di- and trisubstituted alkenylboronic esters are competent
reaction partners. This method provides access to both secondary and
tertiary chiral alkylboronic esters.
创建时间：
2018-11-09
