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Synthesis of Cyclic Sulfites from Epoxides and Sulfur Dioxide with Silica-Immobilized Homogeneous Catalysts

✍ Scribed by Dr. Yasumasa Takenaka; Dr. Takahiro Kiyosu; Dr. Goro Mori; Dr. Jun-Chul Choi; Dr. Norihisa Fukaya; Prof. Toshiyasu Sakakura; Prof. Hiroyuki Yasuda


Book ID
102131677
Publisher
Wiley (John Wiley & Sons)
Year
2011
Tongue
English
Weight
319 KB
Volume
5
Category
Article
ISSN
1864-5631

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Synthesis of cyclic carbonates from carb
✍ Yinxi Zhou; Suqin Hu; Xiumin Ma; Shuguang Liang; Tao Jiang; Buxing Han πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 438 KB

A series of betaine-based salts containing quaternary ammonium ion and carboxylic acid group were synthesized by direct protonation of anhydrous betaine using different BrΓΈnsted acids. The catalytic activity of these salts for the synthesis of cyclic carbonates via cycloaddition reaction of CO 2 wit