64413-43-0Relevant academic research and scientific papers
CMPs as scaffolds for constructing porous catalytic frameworks: A built-in heterogeneous catalyst with high activity and selectivity based on nanoporous metalloporphyrin polymers
Chen, Long,Yang, Yong,Jiang, Donglin
, p. 9138 - 9143 (2010)
This article describes the synthesis and functions of a porous catalytic framework based on conjugated micro- and mesoporous polymers with metalloporphyrin building blocks (FeP-CMP). FeP-CMP was newly synthesized via a Suzuki polycondensation reaction and was developed as a heterogeneous catalyst for the activation of molecular oxygen to convert sulfide to sulfoxide under ambient temperature and pressure. FeP-CMP is intriguing because the polymer skeleton itself is built from catalytic moieties and serves as built-in catalysts, bears inherent open nanometer-scale pores that are accessible for substrates, and possesses large surface areas (1270 m2 g -1) that facilitate the transformation reaction. It is highly efficient with high conversion (up to 99%) and a large turnover number (TON = 97,320), is widely applicable to various sulfides covering from aromatic to alkyl and cyclic substrates, displays high selectivity (up to 99%) to form corresponding sulfoxides, and is highly chemoselective for the oxidation of a sulfide group even in the coexistence of other oxidative functionalities. Owing to the covalent linkages between catalytic sites in the frameworks, FeP-CMP can be recycled with good retention of its porous structure and allows for large-scale transformation. These unique characteristics clearly originate from the covalent porous catalytic framework structure and demonstrate the usefulness of CMPs in the exploration of built-in heterogeneous catalysts, a new potential of these materials that have thus far been reported to exhibit noteworthy gas adsorption functions.
Effective and Selective Catalysts for Cinnamaldehyde Hydrogenation: Hydrophobic Hybrids of Metal–Organic Frameworks, Metal Nanoparticles, and Micro- and Mesoporous Polymers
Yuan, Kuo,Song, Tianqun,Wang, Dawei,Zhang, Xiaotao,Gao, Xiong,Zou, Ye,Dong, Huanli,Tang, Zhiyong,Hu, Wenping
supporting information, p. 5708 - 5713 (2018/03/27)
Metal–organic frameworks (MOFs) as selectivity regulators for catalytic reactions have attracted much attention, especially MOFs and metal nanoparticle (NP) shelled structures, e.g., MOFs@NPs@MOFs. Nevertheless, making hydrophilic MOF shells for gathering hydrophobic reactants is challenging. Described here is a new and viable approach employing conjugated micro- and mesoporous polymers with iron(III) porphyrin (FeP-CMPs) as a new shell to fabricate MIL-101@Pt@FeP-CMP. It is not only hydrophobic and porous for enriching reactants, but also possesses iron sites to activate C=O bonds, thereby regulating the selectivity for cinnamyl alcohol in the hydrogenation of cinnamaldehyde. Interestingly, MIL-101@Pt@FeP-CMPsponge can achieve a high turnover frequency (1516.1 h?1), with 97.3 % selectivity for cinnamyl alcohol at 97.6 % conversion.
Synthesis of porous polymeric metalloporphyrins for highly efficient oxidation of cyclohexane in heterogeneous systems
Li, Yongjin,Liu, Chuanrong,Yang, Weijun
supporting information, p. 8214 - 8221 (2017/08/14)
Herein, porphyrin-conjugated organic polymers, Mn(iii)P-CMP and Fe(iii)P-CMP, were synthesized by Suzuki coupling reaction with manganese/iron tetraphenylporphyrin (T(p-Br)PPMn/FeCl) and 1,4-phenyldiboronic acid as building blocks. The structures of the p
