A concise preparation of the non-proteinogenic amino acid l-kynurenine
摘要:
A concise and practical preparation of the non-proteinogenic amino acid L-kynurenine is reported. The synthetic approach is scalable and provides ready access to this valuable amino acid in either L- or D-stereochemistry starting from L- or D-tryptophan, respectively. In the optimized procedure, two discreet oxidation steps are applied sequentially to convert the tryptophan indole ring into the keto-aniline moiety contained within the kynurenine side chain. (C) 2012 Elsevier Ltd. All rights reserved.
A concise preparation of the non-proteinogenic amino acid l-kynurenine
摘要:
A concise and practical preparation of the non-proteinogenic amino acid L-kynurenine is reported. The synthetic approach is scalable and provides ready access to this valuable amino acid in either L- or D-stereochemistry starting from L- or D-tryptophan, respectively. In the optimized procedure, two discreet oxidation steps are applied sequentially to convert the tryptophan indole ring into the keto-aniline moiety contained within the kynurenine side chain. (C) 2012 Elsevier Ltd. All rights reserved.
A concise preparation of the non-proteinogenic amino acid l-kynurenine
作者:Laurens H.J. Kleijn、Frederike M. Müskens、Sabine F. Oppedijk、Gerjan de Bruin、Nathaniel I. Martin
DOI:10.1016/j.tetlet.2012.09.055
日期:2012.11
A concise and practical preparation of the non-proteinogenic amino acid L-kynurenine is reported. The synthetic approach is scalable and provides ready access to this valuable amino acid in either L- or D-stereochemistry starting from L- or D-tryptophan, respectively. In the optimized procedure, two discreet oxidation steps are applied sequentially to convert the tryptophan indole ring into the keto-aniline moiety contained within the kynurenine side chain. (C) 2012 Elsevier Ltd. All rights reserved.