Synthesis of 3,4-dihydroxyphenyl-l-alanine from l-tyrosine and pyrocatechol by crystalline β-tyrosinase
✍ Scribed by H. Kumagai; H. Matsui; H. Ohgishi; K. Ogata; H. Yamada; T. Ueno; H. Fukami
- Book ID
- 118851421
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 244 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0006-291X
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📜 SIMILAR VOLUMES
## Abstract Six different sequential polypeptides with the repeating units L‐lysyl‐L‐DOPA, L‐DOPA‐L‐lysine, L‐lysyl‐L‐lysyl‐L‐DOPA, L‐DOPA‐L‐DOPA‐L‐lysine, L‐lysyl‐L‐lysyl‐L‐lysyl‐L‐DOPA, and L‐DOPA‐L‐DOPA‐L‐DOPA‐L‐lysine have been synthesized by solution polymerization of the __p__‐nitrophyenyl es
Isomerization was performed by refluxing solutions of ( 3 j -( 7 ) (5mmol) in 2.0M (12.51111) ethereal zinc iodide solution for 2-4 h. The isomerizations can also be carried out on a preparative scale:
## Abstract Sequential polypeptides with the repeating units L‐glutamyl‐L‐DOPA, L‐DOPA‐L‐glutamyl‐L‐DOPA, L‐glutamyl‐L‐glutamyl‐L‐DOPA, L‐DOPA‐L‐DOPA‐L‐glutamyl‐L‐DOPA, and L‐glutamyl‐L‐glutamyl‐L‐glutamyl‐L‐DOPA have been synthesized by solution polymerization of the __p__‐nitrophenyl esters of th