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Poly(ethylene Glycol)s as Ligands in Calcium-Catalyzed Cyclic Carbonate Synthesis

Poly(ethylene Glycol)s as Ligands in Calcium-Catalyzed Cyclic Carbonate Synthesis

Johannes Steinbauer, Thomas Werner

ChemSusChem. 2017 Aug 10;10(15):3025-3029.

PMID: 28699190

Abstract:

Herein the use of CaI2 in combination with poly(ethylene glycol) dimethyl ether (PEG DME 500) as an efficient catalyst system for the addition of CO2 to epoxides is reported. This protocol is based on a nontoxic and abundant metal in conjunction with a polymeric ligand. Fifteen terminal epoxides were converted at room temperature to give the desired products in yields up to 99 %. Notably, this system was also effective for the synthesis of twelve challenging internal carbonates in yields up to 98 %.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP24991557	Poly(ethylene glycol) dimethyl ether		24991-55-7	Price

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