Diverse structures, weak interactions, and catalytic properties of three palladium 2-sulfobenzoate complexes with 1,10-phenanthroline

被引:4
作者
Tang, Xiao-Li [1 ]
Ma, Ai-Qing [1 ,2 ]
Cai, Guo-Qiang [1 ,2 ]
Zhu, Long-Guan [1 ]
机构
[1] Zhejiang Univ, Dept Chem, Hangzhou 310003, Zhejiang, Peoples R China
[2] Guangdong Med Coll, Sch Pharm, Dongguan, Peoples R China
基金
中国国家自然科学基金;
关键词
Palladium complex; 2-Sulfobenzoate; Diverse structure; Catalytic activity; PLATINUM(II) COMPLEXES; COORDINATION POLYMERS; SELECTIVE OXIDATION; CRYSTAL-STRUCTURES; ION COMPLEXES; LIGANDS; SULFIDES; 3-SULFOBENZOATE; PD(II); METAL;
D O I
10.1080/00958972.2013.867032
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Three complexes with same components, Pd-II, 2-sulfobenzoate and 1,10-phenanthroline, [Pd(phen)(2)]2(2-Hsb) (1), [Pd(phen)(2)](2-Hsb)(2-Hsb)2H(2)O (2), and [Pd(phen)(2)][Pd(phen)(2-sb)(2)]6H(2)O (3), where 2-H(2)sb is 2-sulfobenzoic acid and phen is 1,10-phenanthroline, were synthesized and characterized by IR spectra, elemental analyses, thermogravimetric analyses, UV-vis absorption spectra and powder X-ray analysis. Single X-ray crystal structural analyses showed that 1 and 2 are ionic species, while 3 is a dimer through weak bonding interactions. In 1 and 2, 2-Hsb(-) ligands are partly deprotonated and it is fully deprotonated in 3. In 2 and 3 there are hydrogen bonds and - interactions. Extended hydrogen bonding structures for 2 and 3 are 1-D and 3-D architectures, respectively. The oxidation of methyl phenyl sulfide by 1-3 as homogeneous catalysts gave high conversion and selectivity in methanol. The addition of 2-sulfobenzoic acid in the catalytic reaction further promotes the conversion.
引用
收藏
页码:449 / 460
页数:12
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