𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Epoxidation of styrene catalyzed by metal complexes of poly(vinylbenzyl)acetylacetonate

✍ Scribed by Yuan-Yong Yan; Wei Yang; Tie-Jun Wang; Mei-Yu Huang; Ying-Yan Jiang

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
268 KB
Volume
7
Category
Article
ISSN
1042-7147

No coin nor oath required. For personal study only.

✦ Synopsis

The epoxidation of styrene to styrene oxide at higher than 96% yield has been achieved by the catalysis by poly-(vinylbenzy1)acetylacetonate complexes of cobalt(I1) or manganese(II) in the presence of isobutyraldehyde under an atmospheric pressure of molecular oxygen at room temperature. The kind of aldehyde and aldehydelstyrene molar ratio greatly influenced the reaction. The catalyst could be recycled, but after recycling for five times, the yield of styrene oxide decreased from 96.0% to 84.6%.

πŸ“œ SIMILAR VOLUMES

Atom transfer radical polymerization of
Atom transfer radical polymerization of styrene catalyzed by copper carboxylate complexes
✍ Krzysztof Matyjaszewski; Mingli Wei; Jianhui Xia; Scott G. Gaynor πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 388 KB πŸ‘ 2 views

The atom transfer radical polymerization (ATRP) of styrene has been studied using complexes of copper carboxylates. Compared with systems employing copper halides as the catalyst, the use of copper carboxylates resulted in faster polymerization rates and higher polydispersities. A ligand (dNbpy) to