Studies on the cyclometallation of ferrocenylimines

Wu, Yangjie; Huo, Shouquan; Gong, Jun‐Fang; Ding, Li; Ding, Kuiling; Du, Chenxia; Liu, Yuanhong; Song, Mao‐Ping

doi:10.1016/s0022-328x(01)00968-8

Cited by 96 publications

(64 citation statements)

References 93 publications

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“…Since the first report on the use of palladacycles for the coupling reactions by Herrmann in 1995 [4,5], awide variety of palladacycles have been successfully employed in these reactions. Among them,cyclopalladated complexes containing N-donor ferrocenylligand have been studied extensively in the past two decades [6,7]. We have studied the cyclopalladation of ferrocenyl ligand containing N-donor and coupling reaction of chloromercuriferrocene [8][9][10].T he coupling reaction with chloromercuriferrocene and 2,5-dibromopyridine readily afforded the title compound.…”

Section: Discussionmentioning

confidence: 99%

Crystal structure of (5-bromo-2-pyridyl)ferrocene, C15H12BrFeN

Ma¹,

Wang²,

Li³

et al. 2012

Zeitschrift Für Kristallographie - New Crystal Structures

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Section: Discussionmentioning

confidence: 99%

Crystal structure of (5-bromo-2-pyridyl)ferrocene, C15H12BrFeN

Ma¹,

Wang²,

Li³

et al. 2012

Zeitschrift Für Kristallographie - New Crystal Structures

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“…Among them, cyclopalladated complexes containing N-donor ferrocenyl ligand have been studied extensively in the past two decades [4][5][6]. In addition, the oxime-based palladacycles are air and water stable effective pre-catalysts for a wide range of coupling processes such as Heck and Hiyama reactions in aqueous solution [7,8].…”

Section: Discussionmentioning

confidence: 99%

Crystal structure of (acetylferrocene oxime-κ2C9,N)chloro- (tricyclohexylphosphine-κP)palladium(II), PdCl[(C7H7NO)Fe(C5H5)][P(C6H11)3]

Bai¹,

Liu²,

Li³

et al. 2010

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Source of materialThe title compound was prepared as described in literature [1], using tricyclohexylphosphine instead of triphenylphosphine and recrystallized from dichloromethane/petroleum ether solution at room temperature to give the desired crystals suitable for singlecrystal X-ray diffraction investigation. Experimental detailsH1A bound to oxygen atom was found in difference Fourier map and refined freely. The other hydrogen atoms bound to carbon atoms were placed in geometrically idealized positions and treated as riding with d(C-H) =0.93 -0.96 Å,and with U iso(H) = 1.2 U eq (C) or 1.5 U eq (C methyl ). DiscussionIn the palladium-catalyzed coupling reactions, palladacycles have shown enormous superiority in many respects due to their ready preparation, facile modification, high activity and comparative stability [2,3]. Among them, cyclopalladated complexes containing N-donor ferrocenyl ligand have been studied extensively in the past two decades [4][5][6]. In addition, the oxime-based palladacycles are air and water stable effective pre-catalysts for a wide range of coupling processes such as Heck and Hiyama reactions in aqueous solution [7,8].The Pd atom in the title complex is in aslightly distorted squareplanar environment bonded to the phosphorus, the nitrogen, the carbon atom of the ferrocenyl moiety and the chloride anion. The ferrocenyl fragment and the -OH group are in a trans arrangement [torsion angle C10-C10-N1-O1 =178.9 (4) . In the crystal structure there exist C-H···Cl (2.903 Å)and C-H···O(2.611 Å)hydrogen bonds between the chloride (oxygen) atom and the adjacent C-H group of the cyclohexane ring [9], which are realized the chain structure of the title compound.

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“…Among them, cyclopalladated complexes containing N-donor ferrocenyl ligand have been studied extensively in the past two decades [3][4][5]. We have studied the cyclopalladation of ferrocenyl ligand containing N-donor by coupling reaction of chloromercuriferrocene [6][7][8].…”

Section: Discussionmentioning

confidence: 99%