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Effective synthesis of cyclic carbonates from carbon dioxide and epoxides by phosphonium iodides as catalysts in alcoholic solvents

✍ Scribed by Aoyagi, Naoto; Furusho, Yoshio; Endo, Takeshi

Book ID
121361620
Publisher
Elsevier Science
Year
2013
Tongue
French
Weight
853 KB
Volume
54
Category
Article
ISSN
0040-4039

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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