07 Aug

Pengfei Ji, Xuanyu Feng, Samuel S. Veroneau, Yang Song, and Wenbin Lin* 

We report the quantitative conversion of [MIV63-O)43-OH)4Cl12]6– nodes in the MCl2-BTC metal–organic framework into the [MIII63-O)43-ONa)4H6]6– nodes in MIIIH-BTC (M = Zr, Hf; BTC is 1,3,5-benzenetricarboxylate) via bimetallic reductive elimination of H2 from putative [MIV63-O)43-OH)4H12]6– nodes. The coordinatively unsaturated MIIIH centers in MIIIH-BTC are highly active and selective for 1,4-dearomative hydroboration and hydrosilylation of pyridines and quinolines. This work demonstrated the potential of secondary building unit transformation in generating electronically unique and homogeneously inaccessible single-site solid catalysts for organic synthesis.

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