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Stereoselectivity in cyclic and acyclic metathesis reactions

✍ Scribed by Jean-Marie Basset; Michel Leconte; Fredéric Lefebvre; James G. Hamilton; John J. Rooney

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
344 KB
Volume
198
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

Metathesis polymers of norbornene and 1‐methylnorbornene were prepared using a well‐defined aryloxy(chloro)neopentylidene tungsten initiator which behaves in a stereo and regioselective manner giving predominantly cis polymers and a strong head‐to‐tail bias in the case of 1‐methylnorbornene. This is in accord with the observation that this initiator is also very stereoselective in acyclic metathesis.

📜 SIMILAR VOLUMES

Termination reactions in the metathesis
Termination reactions in the metathesis polymerization of cyclic alkenes
✍ A.J. Amass; J.A. Zurimendi 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 321 KB

A kinetic study of the polymerization of cyclopentene initiated by the metathesis catalyst WCl6/AliBu3 has shown the presence of termination reactions The termination processes (probably there are more than one), are second order in nature and also result in the reduction of the oxidation state of t