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ChemInform Abstract: Gold Catalysis and Chiral Sulfoxides: Enantioselective Synthesis of Dihydroisoindol-4-ols.

✍ Scribed by A. Stephen K. Hashmi; Sascha Schaefer; Jan W. Bats; Wolfgang Frey; Frank Rominger

Publisher
John Wiley and Sons
Year
2009
Weight
70 KB
Volume
40
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Chiral Acetylenic S
ChemInform Abstract: Chiral Acetylenic Sulfoxide in Enantioselective Synthesis of Yohimbine Alkaloid.
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Chiral Acetylenic Sulfoxide in Enantioselective Synthesis of Yohimbine Alkaloid. -Michael addition of the secondary amine (I) to the chiral acetylenenic sulfoxide (II) followed by acid induced cyclization affords (III) as major product. It is a precursor of optically pure (IV), a known synthon of pe