36‐Nuclearity Organophosphonate‐Functionalized Polyoxomolybdates: Synthesis, Characterization and Selective Catalytic Oxidation of Sulfides. Issue 65 (15th October 2020)

• Record Type: Journal Article
• Authors: Xu, Qiaofei; Liang, Xinmiao; Xu, Baijie; Wang, Jiawei; He, Peipei; Ma, Pengtao; Feng, Jiwen; Wang, Jingping; Niu, Jingyang
• Is Part Of: Chemistry. Volume 26:Issue 65(2020)
• Page Start: 14896
• Page End: 14902
• Publication Date: 2020-10-15
• Subjects: cage compounds -- catalysis -- organophosphonates -- oxidation -- polyoxometalates; Chemistry -- Periodicals; 540
• DOI: 10.1002/chem.202001468
• Languages: English
• ISSNs: 0947-6539

Abstract

Abstract: The crown‐shaped 36‐molybdate cluster organophosphonate‐functionalized polyoxomolybdates with the highest nuclearity in organophosphonate‐based polyoxometalate chemistry, (NH4 )19 Na7 H10 [Cu(H2 O)TeMo6 O21 {N(CH2 PO3 )3 }]6 ⋅31 H2 O, has been reported for the first time. The synthesized 36‐molybdate cluster was characterized by routine techniques and tested as a heterogeneous catalyst for selective oxidation of sulfides with impressive catalytic and selective performances after heat treatment. High efficiency (TON=15333) was achieved in the selective oxidation of sulfides to sulfoxides, caused by the synergic effect between copper and polyoxomolybdates and the generation of the cuprous species during the heat treatment. Abstract : Large and powerful : Original cage‐shaped organophosphonate‐functionalized polyoxomolybdates with the highest nuclearity in organophosphonate‐based polyoxometalates chemistry, in which the cooperative effect between copper and POMs exerted a crucial effect on selective oxidation of sulfides.