HIGHLY ENANTIOSELECTIVE PROTONATION OF THIOL ESTER ENOLATES

HIGHLY ENANTIOSELECTIVE PROTONATION OF THIOL ESTER ENOLATES
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DOI:
10.1002/anie.199310421
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发表时间:
1993-07-01
期刊:
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH
影响因子:
--
通讯作者:
GALINDO, J
GALINDO, J
中科院分区:
其他
文献类型:
--
作者:
FEHR, C;STEMPF, I;GALINDO, J

文献摘要

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用手性质子源(-)-和(+)-N-异丙基麻黄碱((-)-3和(+)-3)对由外消旋1制备的硫酯烯醇2进行质子化反应,获得了99%的对映体过量。这一大规模的过程允许获得许多对映体纯萜类化合物。
Impressive enantiomer excesses of 99% were achieved in the protonation of thioester enolate 2, prepared from racemic 1, with the chiral proton sources (-)- and (+)-N-isopropylephedrine ((-)-3 and (+)-3). This large-scale procedure allows access to many enantiopure terpenoids.