Synthesis, structures and catalytic properties of palladacycles derived from N,N-dimethylaminomethylferrocene

Yang, X. S., Long, D. L. , Li, H. M. and Lu, Z. L. (2009) Synthesis, structures and catalytic properties of palladacycles derived from N,N-dimethylaminomethylferrocene. Inorganic Chemistry Communications, 12(6), pp. 572-575. (doi: 10.1016/j.inoche.2009.04.027)

Abstract

Cyclopalladated complexes with a N,N-dimethylaminomethylferrocenyl (dmaf) backbone and three pyridine co-ligands, [Pd{(eta(5)-C5H5)Fe[(eta(5)-C5H3)CH2NMe2]}Cl(R-Py)] (2: R = 4-H; 3: R = 4-cyano: 4: 4-N,N-dimethylamino) have been synthesized and characterized. The single crystal X-ray diffraction analyses show that the palladium(II) in both 3 or 4 is coordinated in a distorted square planar geometry with the two nitrogen atoms trans to each other. The three palladacyles were shown to greatly catalyze the methanolysis of the P=S containing pesticide parathion but showed different accelerations. It was found that the replacement of phenyl by ferrocenyl in the palladacycle backbone of 2 lowers the kinetic (s)(s)pKa of the Pd-(HOCH3) required for activity by almost 2 units. .

• Item Type: Articles
• Keywords: ATOMS COMPLEX COMPLEXES CRYSTAL Crystal structure DIFFRACTION Ferrocene HIGHLY EFFICIENT DEGRADATION HYDROLYSIS Methanolysis METHYLPARATHION Palladacycle Pesticides Pyridine SINGLE SQUARE Structure UNIT UNITS X-RAY X-RAY-DIFFRACTION
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Long, Dr Deliang
• Authors: Yang, X. S., Long, D. L., Li, H. M., and Lu, Z. L.
• College/School: College of Science and Engineering > School of Chemistry
• Journal Name: Inorganic Chemistry Communications
• ISSN: 1387-7003