Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 85-54-1, Name is 2-(4-Chloro-3-nitrobenzoyl)benzoic acid, molecular formula is C14H8ClNO5, belongs to chlorides-buliding-blocks compound, is a common compound. In a patnet, author is Riu, Martin-Louis Y., once mentioned the new application about 85-54-1, Application In Synthesis of 2-(4-Chloro-3-nitrobenzoyl)benzoic acid.
Synthesis of an Anthracene-Based Macrocyclic Diphosphine Ligand
The synthesis and coordination chemistry of cis-macrocyclic diphosphine (PhPA)(2) (A = C14H10 or anthracene), which features rigid, sterically encumbering groups in its macrocyclic backbone, is reported. Treatment of [EtOP(2)A(2)]AlCl4, obtained in 63% yield from dibenzo-7-phosphanorbornadiene EtOPA and aluminum(III) chloride, with 2 equiv of phenylmagnesium chloride gives (PhPA)(2) in 59% yield. The purple, pseudo-square-planar nickel dichloride complex [(PhPA)(2)]NiCl2 was obtained in 89% yield upon combination of (PhPA)(2) with (DME)NiCl2 in dichloromethane. By virtue of the ligand backbone, [(PhPA)(2)]-NiCl2 exhibits a large percent buried volume of 61.4%, greater than that of other common chelating diphosphines, and the steric bulk is extended into the axial positions of the square-planar complex, as revealed by a single-crystal X-ray diffraction study. Treatment of this nickel dichloride complex with K[B(C6F3)(4)] provided a red dimeric, cationic nickel chloride complex. This dimer was isolated in 43% yield and characterized in a single-crystal X-ray diffraction study.
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