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A Porphyrin‐Based Porous rtl Metal–Organic Framework as an Efficient Catalyst for the Cycloaddition of CO 2 to Epoxides
Author(s) -
Jiang Wei,
Yang Jin,
Liu YingYing,
Song ShuYan,
Ma JianFang
Publication year - 2016
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201603465
Subject(s) - cycloaddition , catalysis , porphyrin , epoxide , selectivity , lewis acids and bases , metal organic framework , steric effects , chemistry , dimethylacetamide , materials science , polymer chemistry , combinatorial chemistry , organic chemistry , adsorption , solvent
A porous rtl metal–organic framework (MOF) [Mn 5 L(H 2 O) 6 ⋅(DMA) 2 ]⋅5DMA⋅4C 2 H 5 OH ( 1⋅ Mn) (H 10 L=5,10,15,20‐tetra(4‐(3,5‐dicarboxylphenoxy)phenyl)porphyrin; DMA= N , N ′‐dimethylacetamide) was synthesized by employing a new porphyrin‐based octacarboxylic acid ligand. 1⋅ Mn exhibits high Mn II density in the porous framework, providing it great Lewis‐acid heterogeneous catalytic capability for the cycloaddition of CO 2 with epoxides. Strikingly, 1⋅ Mn features excellent catalytic activity to the cycloaddition of CO 2 to epoxides, with a remarkable initial turnover frequency 400 per mole of catalyst per hour at 20 atm. As‐synthesized 1⋅ Mn also exhibits size selectivity to different epoxide substrates on account of their steric hindrance. The high catalytic activity, size selectivity, and stability toward the epoxides on catalytic cycloaddition of CO 2 make 1⋅ Mn a promising heterogeneous catalyst for fixation and utilization of CO 2 .