Quasi-homogeneous catalytic conversion of CO2 into quinazolinones inside a metal–organic framework microreactor

文献情報

出版日 2021-07-01
DOI 10.1039/D1GC01677F
インパクトファクター 10.182
著者

Zhenzhen Zhou, Jian-Gong Ma, Jianbo Gao


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要旨

Management of CO2 has been attracting great attention in this century. Reaction of CO2 with 2-haloanilines and isocyanides is an attractive way for both converting CO2 and producing quinazolinones, which are key intermediates for the synthesis of various biologically active products. However, the heterogeneous and relatively inert nature of CO2 with 2-haloaniline and isocyanide reactants limits the types of suitable catalysts. Herein, we use metal–organic frameworks (MOFs) as a “microreactor”, in which Pd(PPh3)2Cl2 is well-dispersed as a single-molecular catalyst, and the reactants react in the molecular level through a “quasi-homogeneous” way to convert CO2 into quinazolinones under mild conditions with both promising yields over homogeneous catalysts and good recyclability as a heterogeneous reaction. The MOF-assisted single-molecular catalysis strategy should contribute to CO2 conversion, production of quinazolinone-type bioactive intermediates, and the epochal development of “homo-and-heterogeneous” catalysis.

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