Direct arylation of heterocycles through C–H bond cleavage using metal–organic-framework Cu2(OBA)2(BPY) as an efficient heterogeneous catalyst

Thanh Truong; Vu T. Nguyen; Hue T. X. Le; Nam T. S. Phan

doi:10.1039/C4RA09092F

Direct arylation of heterocycles through C–H bond cleavage using metal–organic-framework Cu₂(OBA)₂(BPY) as an efficient heterogeneous catalyst

Thanh Truong,*^a Vu T. Nguyen,^a Hue T. X. Le^a and Nam T. S. Phan*^a

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^a Department of Chemical Engineering, HCMC University of Technology, VNU-HCM, 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Viet Nam
E-mail: ptsnam@hcmut.edu.vn, tvthanh@hcmut.edu.vn
Fax: +84 8 38637504
Tel: +84 8 38647256 ext. 5681

Abstract

A crystalline porous metal–organic-framework Cu₂(OBA)₂(BPY) was synthesized and characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), Fourier transform infrared (FT-IR), atomic absorption spectrophotometry (AAS), and nitrogen physisorption measurements. The Cu-MOF was shown to be an efficient heterogeneous catalyst for direct C-arylation of a variety of heterocycles by iodoarenes. The optimal conditions employed tBuOLi in dioxane at elevated temperature. In addition, a leaching test was also conducted to investigate the heterogeneity. Gratifyingly, the MOF catalyst can be facilely recycled several times under identical conditions without remarkable loss in catalytic reactivity.

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The article was received on 22 Aug 2014, accepted on 08 Oct 2014 and first published on 08 Oct 2014

Article type: Paper

DOI: 10.1039/C4RA09092F

Author version available: Download Author version (PDF)

Citation: RSC Adv., 2014,4, 52307-52315

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Direct arylation of heterocycles through C–H bond cleavage using metal–organic-framework Cu₂(OBA)₂(BPY) as an efficient heterogeneous catalyst

T. Truong, V. T. Nguyen, H. T. X. Le and N. T. S. Phan, RSC Adv., 2014, 4, 52307
DOI: 10.1039/C4RA09092F
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Direct arylation of heterocycles through C–H bond cleavage using metal–organic-framework Cu₂(OBA)₂(BPY) as an efficient heterogeneous catalyst

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Direct arylation of heterocycles through C–H bond cleavage using metal–organic-framework Cu₂(OBA)₂(BPY) as an efficient heterogeneous catalyst

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