Synthesis and structural characterization of (CH2)n-bridged indenyl-pyrazoles and their cyclopentadienyl nickel(II) complexes

Tan, Weiqiang; Yu, Zhengkun; Liu, Bing; Wu, Kaikai; Liu, Zishuang; Chen, Jinzhu

doi:10.1016/j.jorganchem.2008.10.021

Cited by 7 publications

(2 citation statements)

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“…[20] A similar reactivity has been encountered for some η 5 -cyclopentadienyl complexes. [21] Even with less reactive ligands, such as chlorido, elimination of hydrogen chloride can occur, which is favored by its volatility. [22] Moreover, since azoles themselves are bases, part of the azole added as ligand can act as a base instead.…”

Section: Supramolecular Behavior Of Free Pyrazolesmentioning

confidence: 99%

Pyrazole Complexes and Supramolecular Chemistry

2009

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This Microreview deals with the supramolecular chemistry of pyrazole metal complexes, in particular, complexes of pyrazoles with a nonsubstituted N–H group, which are able to engage in hydrogen bonding. The most pertinent general features of pyrazoles, in comparison with other heterocycles that are also popular ligands, and some aspects of the supramolecular chemistry of free pyrazoles are also included. In addition to the general supramolecular chemistry of pyrazole complexes, sections of this Microreview are devoted to liquid crystals, self‐assembled species, and hosts for anions. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)

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Section: Supramolecular Behavior Of Free Pyrazolesmentioning

confidence: 99%

Pyrazole Complexes and Supramolecular Chemistry

2009

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“…10 This method suffers from several drawbacks, such as the use of very low temperatures, long reaction time, and unsatisfactory regioselectivity. In addition, although the alkyl halides are good substrates for alkylation of indenyl anions, 11 rare examples have been reported for direct arylation of indenyl lithium with fluoroarenes or other haloarenes. 12 As early as 1981, Smith reported the synthesis of 3-arylindene by the reaction of 1-indanone with ArMgBr, followed by dehydration reaction.…”

Section: Introductionmentioning

confidence: 99%