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Molybdenum-catalyzed asymmetric allylic alkylation of 3-alkyloxindoles: Reaction development and applications

机译:3-烷基氧吲哚的钼催化的不对称烯丙基烷基:反应开发和应用

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摘要

We report a full account of our work towards the development of Mo-catalyzed asymmetric allylic alkylation reactions with 3-alkyloxindoles as nucleophiles. The reaction is complementary to the Pd-catalyzed reaction with regard to the scope of oxindole nucleophiles. A number of 3-alkyloxindoles were alkylated successfully under mild conditions to give products with excellent yields and good-to-excellent enantioselectivities. Applications of this method to the preparation of indoline alkaloids such as (-)-physostigmine, ent-(-)-debromoflustramine B, and the indolinoquinoline rings of communesin B are reported.
机译:我们举报了我们对促进Mo催化的不对称烯丙基烷基化反应与3-烷基氧吲哚作为亲核试剂的工作的完整叙述。 反应与氧吲哚亲核试剂的范围的PD催化反应互补。 在轻度条件下成功烷基化了许多3-烷氧基吲哚,得到优异的产率和良好至优异的对映射性的产物。 据报道了该方法对吲哚生物碱,如( - ) - 粪岛,ENT - ( - ) - debromoflustamineb和Communesin B的Indolinoquoline环的应用。

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