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Notizen Asymmetric Synthesesvia Heterocyclic Intermediates, XXIV. Enantioselective Synthesis of (R)-α-Methyltryptophane Methyl Ester and D-Tryptophane Methyl Ester by the Bislactim Ether Route

✍ Scribed by Schöllkopf, Ulrich ;Lonsky, Ralph ;Lehr, Philipp

Book ID
102364499
Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
265 KB
Volume
1985
Category
Article
ISSN
0947-3440

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✦ Synopsis

Asymmetrische Synthesen über heterocyclische Zwischenstufen, XXIV^1)^. – Enantioselektive Synthese von (R)‐α‐Methyltryptophan‐methylester und D‐Tryptophan‐methylester nach der Bislactimether‐Methode

Die Titelverbindungen wurden durch asymmetrische Synthese nach der Bislactimether‐Methode hergestellt (e.e. über 95% bzw. etwa 90%).

📜 SIMILAR VOLUMES

Asymmetric syntheses via heterocyclic in
Asymmetric syntheses via heterocyclic intermediates, XL. Studies on the acylation of lithiated bislactim ethers of cyclo(-L-Val-Ala-) and cyclo(-L-Val-Gly-) Asymmetric synthesis of (R)-α-alkenyl and (R)-α-ethinyl alanine methyl esters by the bislactim ether method
✍ Schöllkopf, Ulrich ;Westphalen, Karl-Otto ;Schröder, Jürgen ;Horn, Klaus 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 678 KB

must be larger than 97.5:2.5 (d.e. > 95O/0). With acetyl chloride (3a) the N-acylated isomer 7 is formed as a byproduct.