𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Lanthanide-catalyzed endo- and enantioselective 1,3-dipolar cycloaddition reactions of nitrones with alkenes

✍ Scribed by Ana I. Sanchez-Blanco; Kurt V. Gothelf; Karl Anker Jørgensen


Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
232 KB
Volume
38
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Enantioselective 1,3-dipolar cycloadditi
✍ W. Marek Gołȩbiewski; Mirosław Gucma 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 249 KB

## Abstract magnified image Regio‐ and stereoselective 1,3‐dipolar cycloaddition of nitrile oxides to internal 2‐pentenols, α,β‐unsaturated esters and amides catalyzed by __R__‐(+) BINOL‐lanthanide complexes affords corresponding 3‐aryl‐2‐isoxazolines with enantioselectivities up to 89% ee.

Lanthanide triflate-catalyzed 1,3-dipola
✍ Shū Kobayashi; Ryo Akiyama 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 248 KB

1,3-Dipolar cycloaddition reactions of polymer-supported nitrones with alkenes proceeded smoothly in the presence of a catalytic amount of a lanthanide triflate to afford the corresponding 2-isoxazolines in high yields. Diverse 2-isoxazoline derivatives were prepared based on these solid-phase react

1,3-Dipolar Cycloaddition of Nitrones wi
✍ Chang-Tao Qian; Long-Cheng Wang; Rui-Fang Chen 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 456 KB 👁 1 views

## Abstract 1,3‐Dipolar cycloaddition of nitrones with ethyl vinyl ether or 2,3‐dihydrofuran proceeds smoothly in the presence of a catalytic amount (10 mol%) of ytterbium triflate to afford isoxazolidines and dicyclic isoxazolidine respectively with good yields and high stereoselectivity.