Bifunctional porphyrin catalysts for the synthesis of cyclic carbonates from epoxides and CO2: Structural optimization and mechanistic study

…, J Shimonishi, C Maeda, J Hasegawa

Index: Mita, Tsuyoshi; Sugawara, Masumi; Hasegawa, Hiroyuki; Sato, Yoshihiro Journal of Organic Chemistry, 2012 , vol. 77, # 5 p. 2159 - 2168

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Citation Number: 76

Abstract

We prepared bifunctional MgII porphyrin catalysts 1 for the solvent-free synthesis of cyclic carbonates from epoxides and CO2. The activities of 1d, 1h, and 1i, which have Br–, Cl–, and I–counteranions, respectively, increased in the order 1i< 1h< 1d. Catalysts 1d and 1j–m,