Catalytic Asymmetric 1,4-Reduction of α-Branched 2-Vinyl-azaarenes by a Chiral SPINOL-Derived Borophosphate
作者:Yang Cao、Shouqi Zhang、Jon C. Antilla
DOI:10.1021/acscatal.0c02563
日期:2020.10.2
The catalytic asymmetric 1,4-reduction of α-branched 2-vinylazaarenes by a SPINOL-derived borophosphate has been realized. A SPINOL-derived phosphoric acid is used to form a bifunctional phosphoryl boronate catalyst in situ in the presence of pinacolborane. This asymmetric 1,4-reduction reaction provides a convenient procedure to access chiral alkylated quinolines and benzothiazoles in high yields
已经实现了由SPINOL衍生的硼磷酸盐催化的α-支链2-乙烯基氮杂芳烃的1,4-催化不对称还原。SPINOL衍生的磷酸用于在频哪醇硼烷的存在下原位形成双官能磷酰基硼酸酯催化剂。这种不对称的1,4-还原反应提供了一种方便的方法,可以高收率(高达94%)和良好的立体选择性(高达98%)获得手性烷基化喹啉和苯并噻唑。