Chiral ammonium betaine-catalyzed asymmetric Mannich-type reaction of oxindoles.
Chiral ammonium betaine-catalyzed asymmetric Mannich-type reaction of oxindoles.
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DOI:
10.3762/bjoc.12.199
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发表时间:
2016
影响因子:
2.7
通讯作者:
Ooi T
中科院分区:
文献类型:
--
作者:
Torii M;Kato K;Uraguchi D;Ooi T
A highly diastereo- and enantioselective Mannich-type reaction of 3-aryloxindoles with N-Boc aldimines was achieved under the catalysis of axially chiral ammonium betaines. This catalytic method provides a new tool for the construction of consecutive quaternary and tertiary stereogenic carbon centers on biologically intriguing molecular frameworks with high fidelity.
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