Abstract
The PdII central atom in the title complex, [PdCl(C26H24P2)(C6H6N2O)]NO3·CH3CN or [PdCl(dppe)(INAM)]NO3·CH3CN, where dppe is 1,2-bis-(di-phenyl-phosphan-yl)ethane and INAM is isonicotinamide, exists in a slightly distorted square-planar environment defined by the two P atoms of the dppe ligand, a chloride ligand and the N atom of the isonicotinamide pyridyl ring. The crystal packing in the structure is held together by hydrogen bonds between the amide of the INAM ligand and the nitrate ions that complete the outer coordination sphere. A mol-ecule of aceto-nitrile is also found in the asymmetric unit of the title complex.
Highlights
The PdII central atom in the title complex, [PdCl(C26H24P2)(C6H6N2O)]NO3ÁCH3CN or [PdCl(dppe)(INAM)]NO3ÁCH3CN, where dppe is 1,2-bis(diphenylphosphanyl)ethane and INAM is isonicotinamide, exists in a slightly distorted square-planar environment defined by the two P atoms of the dppe ligand, a chloride ligand and the N atom of the isonicotinamide pyridyl ring
We have been exploring the synthesis of palladium(II) and copper(II) complexes containing various ancillary ligands and isonicotinamide as active ligand; isonicotinamide has proven to be an effective antimetabolite due to its ability to enhance Sirt1 deacetylase activity, which reduces tumor growth (Li et al, 2009)
We report the synthesis and structure of the title palladium(II) dppe complex
Summary
Palladium complexes containing 1,2-bis(diphenylphosphanyl)ethane as a ligand have received much attention over the last decade because of their application in catalysis (Naghipour et al, 2021; Thapa et al, 2019). We have been exploring the synthesis of palladium(II) and copper(II) complexes containing various ancillary ligands and isonicotinamide as active ligand; isonicotinamide has proven to be an effective antimetabolite due to its ability to enhance Sirt deacetylase activity, which reduces tumor growth (Li et al, 2009). We report the synthesis and structure of the title palladium(II) dppe complex. The nitrate ions fill the void between the PdII complex ions interacting with the isonicotinamide ligands in different units through additional N—HÁ Á ÁO and C—HÁ Á ÁO interactions (Fig. 3)
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