Extracurricular laboratory:new discovery of 1,1-Bis(diphenylphosphino)ferrocene

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In an article, published in an article, once mentioned the application of 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene,molecular formula is C34H28FeP2, is a conventional compound. this article was the specific content is as follows.COA of Formula: C34H28FeP2

The reaction of the Schiff base ligand 3,4-(OCH2O)C6H3C(H)=NCH2[3,4- (OCH2O)C6H3] (a) with Pd(OAc)2 yields two endocyclic cyclometallated compounds: [Pd{3,4-(OCH2O)C6H2C(H)=NCH2 [3,4-(OCH2O)C6H3]-C2,N}(mu-O 2CMe)]2 (C2,N-bonded) (1a), and [Pd{3,4-(OCH2O)C6H2C(H)=NCH2 [3,4-(OCH2O)C6H3]-C6,N}(mu-O 2CMe)]2 (C6,N-bonded) (1b), which may be separated by fractional crystallization. The corresponding cyclopalladated dimers with bridging chloride ligands, 2a, 2b, have been prepared by a metathesis reaction with aqueous sodium chloride. Treatment of the latter compounds with tertiary phosphines in the appropriate molar ratio gave the mono and dinuclear compounds, 3a-8a and 3b-5b, respectively. The structure of compound 1a has been determined by X-ray diffraction analysis. The molecular configuration is a dimeric form of the anti isomer with the cyclopalladated moieties in an ‘open-book’ arrangement linked by two acetate bridging ligands.

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Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate