The isopropylation of biphenyl over transition metal substituted aluminophosphates: MAPO-5 (M: Co and Ni)

Hui Xing Zhang,Anand Chokkalingam,Priya V. Subramaniam,Stalin Joseph, Seiji Takeuchi,Ming Deng Wei,Abdullah M. Al-Enizi,Hoi-Gu Jang,Jong-Ho Kim,Gon Seo,Kenichi Komura,Yoshihiro Sugi,Ajayan Vinu

Journal of Molecular Catalysis A: Chemical（2016）

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摘要

Isopropylation of MAPO-5 (M: Co and Ni) gave high selectivity for 4,4′-DIPB. 4-IPBP worked as a precursor of 4,4′- and 3,4′-DIPB; however, 3-IPBP was not concerned. 4,4′-DIPB was predominantly formed by exclusion of bulkier 3,4′-DIPB at their transition states through their steric interaction with channels of MAPO-5 with AFI topology.

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关键词

CoAPO-5,NiAPO-5,AFI topology,Biphenyl,Isopropylation,Shape-selective catalysis

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