Amino acids dissolved in aqueous methanol (or ethanol) and treated with optically active menthyl chloroformate were converted into N-menthyloxycarbonyl methyl (or ethyl) ester derivatives within a few minutes at room temperature. The obtained diastereomeric derivatives, with the exception of arginin
Amino Acid-Derived Iodobenzene Dicarboxylates: Reagents for Oxidative Conversion of Alkenes to Amino Acid Esters.
β Scribed by Alexey Y. Koposov; Vyacheslav V. Boyarskikh; Viktor V. Zhdankin
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 19 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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β¦ Synopsis
Amino Acid-Derived Iodobenzene Dicarboxylates: Reagents for Oxidative Conversion of Alkenes to Amino Acid Esters. -The preparation of new, chiral iodobenzenecarboxylates derived from natural L-amino acids is presented. The usefulness of thus obtained (III) is shown in the reaction with tetrahydropyran (IV) affording the enantiopure amino acid esters (V) and (VI). The similar reaction of (III) with cyclohexene leads to the inseparable 1:1 mixture of diastereomeric amino acid esters. -(KOPOSOV, A.
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