A Wavy Multiple Tm(III)-Containing Open Wells-Dawson Silicotungstate: Synthesis, Structure, and Catalytic Application - Details

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A　Tm(III)-rich　silicotungstate　Na{Tm3(H2O)17[Tm2(H2O)7(Si2W18O66)]}·35H2O　(Tm5Si2W18)　based　on　the　open　Wells-Dawson-type　[Si2W18O66]16-　building　unit　was　synthesized　by　the　reaction　of　Na10[α-SiW9O34]·18H2O,　itaconic　acid,　and　TmCl3　in　a　HAc/NaAc　buffer　solution.　Five　kinds　of　Tm(III)　ions　were　found　in　this　compound　and　further　linked　the　{Tm2Si2W18}　subunit　to　form　an　interesting　wavy　1D　chain　structure,　which　achieved　the　introduction　of　more　lanthanide　(Ln)　ions　into　the　[Si2W18O66]16-　unit　for　the　first　time.　Tm5Si2W18　contains　multiple　exposed　Tm-metal　active　sites,　making　it　an　efficient　catalyst　for　the　acetalization　of　2-aminobenzamides/2-aminobenzenesulphonamides　with　aldehydes.　A　series　of　2,3-dihydroquinazolinones　and　3,4-dihydro-2H-1,2,4-benzothiadiazine-1,1-dioxides　could　be　obtained　in　excellent　yields　under　green　and　mild　conditions.　©　2025　American　Chemical　Society.

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Hafnium oxides Silica Sodium compounds Thulium compounds

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[ 1 ] [Yang, Guoping]Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, Jiangxi Province Key Laboratory of Functional Organic Polymers, East China University of Technology, Nanchang; 330013, China
[ 2 ] [Yang, Guoping]College of Chemistry, Xinjiang University, Urumqi; 830017, China
[ 3 ] [Yang, Guoping]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fuzhou; 350108, China
[ 4 ] [Cao, Jiawei]Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, Jiangxi Province Key Laboratory of Functional Organic Polymers, East China University of Technology, Nanchang; 330013, China
[ 5 ] [Xiao, Yu]Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, Jiangxi Province Key Laboratory of Functional Organic Polymers, East China University of Technology, Nanchang; 330013, China
[ 6 ] [Hu, Qilong]Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, Jiangxi Province Key Laboratory of Functional Organic Polymers, East China University of Technology, Nanchang; 330013, China
[ 7 ] [Liu, Haoqi]Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, Jiangxi Province Key Laboratory of Functional Organic Polymers, East China University of Technology, Nanchang; 330013, China
[ 8 ] [Cao, Xiaohong]Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, Jiangxi Province Key Laboratory of Functional Organic Polymers, East China University of Technology, Nanchang; 330013, China
[ 9 ] [Li, Ke]Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, Jiangxi Province Key Laboratory of Functional Organic Polymers, East China University of Technology, Nanchang; 330013, China
[ 10 ] [Zhang, Yalin]School of Chemistry & Chemical Engineering, Liaocheng University, Liaocheng; 252059, China
[ 11 ] [Li, Xinxiong]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fuzhou; 350108, China

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Inorganic Chemistry

ISSN： 0020-1669

Year： 2025

Issue： 2

Volume： 64

Page： 1041-1047

4 . 3 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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