## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
Practical Synthesis of Sultams via Sulfonamide Dianion Alkylation: Application to the Synthesis of Chiral Sultams.
β Scribed by Jaemoon Lee; Yong-Li Zhong; Robert A. Reamer; David Askin
- Publisher
- John Wiley and Sons
- Year
- 2004
- Weight
- 163 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0931-7597
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β¦ Synopsis
Abstract
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An improved practical synthetic method was developed for the preparation of selenocarboxylates of amino acids through the reaction of the corresponding activated esters with sodium hydrogen selenide in alcoholic or aqueous medium. The protected a-amino selenocarboxylates reacted readily with sulfony
## Preparation of Chiral 1,2-diamines via the CN(R,S) Method. Application to the Synthesis of an Analogue of Tetraponerine. Jieping ZHU,
The amino alcohol rac-1-(1,2,3,4-tetrahydroisoquinoline-1-yl)-cyclopentanol was resolved via its O,O'-dibenzoyl-tartaric acid salt. These enantiomeric amino alcohols were used in the enantioselective reduction of prochiral aryl alkyl ketones. The resulting secondary alcohols were obtained in high en