𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Asymmetric Control of 1,3-Dipolar Cycloaddition Reactions with Azomethine Ylides by Means of Proline Esters as Chiral Auxiliary Groups

✍ Scribed by Prof. Dr. Herbert Waldmann; Dipl.-Chem. Edwin Bläser; Prof. Dr. Martin Jansen; Dipl.-Chem. Hans-Peter Letschert


Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
586 KB
Volume
1
Category
Article
ISSN
0947-6539

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Asymmetric Steering of Oxa Diels–Alder R
✍ Edwin Bläser; Patrik Kolar; Dieter Fenske; Hellmut Goesmann; Herbert Waldmann 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 171 KB 👁 2 views

Chiral aldehydes 4a,b, obtained by the ozonolysis of the dihydro-γ-pyrones 13 with very high diastereomeric ratios (up to 99:1). The absolute configuration of the predominating corresponding N,NЈ-fumaroylbis[(S)-proline esters] 3 react in the presence of lanthanoid chelate complexes Eu(fod) 3 or dia