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Eine neue Synthese des 3-[3,4-Dihydroxy-phenyl]-L-alanins (L-DOPA) aus L-Tyrosin

✍ Scribed by Hermann Bretschneider; Kraft Hohenlohe-Oehringen; Ado Kaiser; Uwe Wölcke

Publisher
John Wiley and Sons
Year
1973
Tongue
German
Weight
307 KB
Volume
56
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

~L~‐Tyrosin wird mit Acetylchlorid in Gegenwart von Aluminiumchlorid in 3‐Acetyl‐~L~‐tyrosin übergeführt, das mit Wasserstoffperoxid in alkalischem Milieu zu ~L~‐DOPA oxydiert wird.

📜 SIMILAR VOLUMES

Oxidation of 3-(3,4-dihydroxy phenyl)-l-
Oxidation of 3-(3,4-dihydroxy phenyl)-l-alanine (levodopa) and 3-(3,4-dihydroxy phenyl)-2-methyl-l-alanine (methyl dopa) by manganese(III) in pyrophosphate media: Kinetic and mechanistic study
✍ B. S. Sherigara; B. E. Kumara Swamy; E. V. S. Subrahmanyam; K. Ishwar Bhat 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 117 KB

## Abstract Manganese(III) (Mn(III)) has been stabilized in weakly acidic solution by means of pyrophosphate and the nature of the complex was elucidated spectrophotometrically. Stoichiometry of Mn(III)‐oxidation of levodopa and methyl dopa in pyrophosphate medium was established in the pH range 2.