Molybdenum-catalyzed asymmetric allylic alkylation of 3-alkyloxindoles: reaction development and applications.
Molybdenum-catalyzed asymmetric allylic alkylation of 3-alkyloxindoles: reaction development and applications.
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DOI:
10.1002/chem.201002569
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发表时间:
2011-03-01
影响因子:
4.3
通讯作者:
Zhang, Yong
中科院分区:
文献类型:
--
作者:
Trost, Barry M.;Zhang, Yong
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.
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