Total synthesis of oxidized welwitindolinones and (-)-N-methylwelwitindolinone C isonitrile.
Total synthesis of oxidized welwitindolinones and (-)-N-methylwelwitindolinone C isonitrile.
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DOI:
10.1021/ja210837b
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发表时间:
2012-01-25
影响因子:
15
通讯作者:
Garg, Neil K.
中科院分区:
文献类型:
--
作者:
Quasdorf, Kyle W.;Huters, Alexander D.;Lodewyk, Michael W.;Tantillo, Dean J.;Garg, Neil K.
We report the total synthesis of (–)-Nmethylwelwitindolinone C isonitrile, in addition to the total syntheses of the 3-hydroxylated welwitindolinones. Our routes to these elusive natural products feature the strategic use of a deuterium kinetic isotope effect to improve the efficiency of a late-stage nitrene insertion reaction. We also provide a computational prediction for the stereochemical configuration at C3 of the hydroxylated welwitindolinones, which was confirmed by experimental studies.
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