Dual-Stereocontrol Asymmetric Cobalt-Catalyzed Hydroboration of Sterically Hindered Styrenes
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https://figshare.com/articles/dataset/Dual-Stereocontrol_Asymmetric_Cobalt-Catalyzed_Hydroboration_of_Sterically_Hindered_Styrenes/3808398
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资源简介：
An
oxazoline aminoisopropylpyridine (OAP) was designed and synthesized
for cobalt-catalyzed asymmetric hydroboration of sterically hindered
styrenes. A unique dual-stereocontrol phenomenon was observed using
a rigid OIP·CoCl2 complex or a flexible OAP with CoCl2 as precatalysts, respectively. The reaction could be easily
carried out on a gram scale to afford chiral alkylboronic esters which
could be converted into diverse C–X (X = C, N, O) bond cross-coupling
products. The mechanistically distinct pathways were proposed on the
basis of deuterium experiments.
创建时间：
2016-10-03
