ChemInform Abstract: Highly Diastereo- and Enantioselective Synthesis of syn-β-Substituted Tryptophans via Asymmetric Michael Addition of a Chiral Equivalent of Nucleophilic Glycine and Sulfonylindoles.
✍ Scribed by Jiang Wang; Shengbin Zhou; Daizong Lin; Xiao Ding; Hualiang Jiang; Hong Liu
- Publisher
- John Wiley and Sons
- Year
- 2011
- Weight
- 50 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Abstract
The asymmetric Michael addition of a chiral Ni(II) complex of a Schiff base of glycine (I) with a broad range of sulfonylindoles offers a simple and mild protocol for the preparation of syn‐configured β‐substituted tryptophans.
📜 SIMILAR VOLUMES
Asymmetric Michael Additions via 6-and 7-Membered Lactone SAMP-Hydrazones: Diastereo-and Enantioselective Synthesis of Substituted Lactone Esters. -High asymmetric inductions are achieved in the Michael addition of hydrazones (I) to α,β-unsaturated esters (II). Removal of the chiral auxiliary by ozo