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:
影响因子:
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通讯作者:
GALINDO, J
中科院分区:
文献类型:
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作者:
FEHR, C;STEMPF, I;GALINDO, J
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.