Organocatalytic Highly Enantioselective Substitution of 3-(1-Tosylalkyl)indoles with Oxindoles Enables the First Total Synthesis of (+)-Trigolutes B.
Chemistry
; 21(23): 8389-93, 2015 Jun 01.
Article
em En
| MEDLINE
| ID: mdl-25916808
A highly enantioselective organocatalytic substitution of 3-(1-tosylalkyl)indoles with oxindoles has been established by using chiral bifunctional organocatalysts, providing an efficient entry to multiply functionalized 3,3'-disubstituted oxindoles, and was exploited as the key step to enable the first asymmetric total synthesis of optically pure (+)-trigolutes B to be accomplished in a concise manner, within seven steps with an 18% overall yield.
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MEDLINE
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En
Ano de publicação:
2015
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Article