✍ Scribed by Yongwen Jiang; Dawei Ma
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The reaction of 1-acyl tryptophan derivatives with chloroacetyl chloride or the reaction of 1-tosyl tryptophan derivatives with acetyl chloride provides the corresponding 6-acylation products, while acylation of the 3-oxo tryptophan derivative gives a 5-substituted product.
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## 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 “Full Text” option. The original article is trackable v
## Abstract The enzymatic synthesis of l‐tryptophan and its derivative 5′‐hydroxy‐l‐tryptophan labeled with deuterium and tritium at the α‐carbon position is reported. The mixture containing __S__‐methyl‐l‐cysteine, indole or 5‐hydroxyindole dissolved in deuteriated or tritiated water has been conv