Multinuclear Zn(II)-arylhydrazone complexes as catalysts for cyanosilylation of aldehydes
作者:Zhen Ma、Vusala A. Aliyeva、Dilgam B. Tagiev、Fedor I. Zubkov、Firudin I. Guseinov、Kamran T. Mahmudov、Armando J.L. Pombeiro
DOI:10.1016/j.jorganchem.2020.121171
日期:2020.4
(3) were prepared upon reaction of ZnCl2 or Zn(CH3COO)2·2H2O with 3-(2-(2-hydroxy-4-nitrophenyl) hydrazineylidene) pentane-2,4-dione (H2L1), 3-(2-(2-hydroxyphenyl)hydrazineylidene)pentane-2,4-dione (H2L2) and 2-(2-(2,4-dioxopentan-3-ylidene)hydrazineyl)benzoic acid (H2L3), respectively, in methanol solution. Compounds 1–3 were tested as catalysts for the cyanosilylation reaction of a diversity of both
三种已知的多核Zn(II)-芳基zone络合物[Zn (CH 3)2 SO}(H 2 O)(L 1)](1),[Zn 2(CH 3 OH)2(μ- L 2)2 ](2)并且,[Zn 4(μ -OH)2(1κ ø:2κ ö -HL 3)4(κ ø -HL 3)2(H 2 O)4 ](3分别在氯化锌的反应制得)2或Zn(CH 3 COO)2 ·2H 2 O与3-(2-(2-羟基-4-硝基苯基)肼基)戊烷-2,4-二酮(H 2 L 1),3-(2-( 2-羟基苯基)肼基亚基)戊烷-2,4-二酮(H 2 L 2)和2-(2-(2-(2,4-二氧戊丹-3-亚丙基)肼基)苯甲酸(H 2 L 3)甲醇溶液。化合物1 - 3进行测试作为催化剂用于脂族和芳族醛的多样性与氰化三甲基硅烷,得到高产率(72-98%)在甲醇中并在室温下相应的氰醇三甲基甲硅烷醚的硅氰化反应。