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Thermally induced oxidative trimerization of benzimidazole by copper(II) chloride in the solid state

100%

Bhattacharya R. , Ray S. , Ray J. , Ghosh A.

Open Chemistry

2003

tom 1

nr 4

427-440

Benzimidazolium trichlorocuprate(II) undergoes a redox reaction in the solid state at elevated temperature (∼240°C) to produce the cyclic trimer of benzimidazole and cuprous chloride. The trimer has been characterized by IR, NMR, and Mass spectroscopy. It has also been synthesized in lower yield by heating the mixtures of CuCl2 and benzimidazole in different ratios or heating other compounds of CuCl2 and benzimidazole. The absorption, emission, and excitation spectra of the trimer in two different solvents (TFA and DMSO) and a comparison of these results with those of benzimidazole are presented here.

Copper(I) π-complexes with allyl derivatives of heterocyclic compounds: structural survey of their crystal engineering

100%

Slyvka Y. , Goreshnik E. , Pavlyuk O. , Mys’kiv M.

Open Chemistry

2013

tom 11

nr 12

1875-1901

In this review an exhaustive crystallochemical analysis of copper(I) π-complexes with allyl derivatives of heterocyclic compounds has been performed. Structural genesis of inorganic constituents starting from the simplest units to the most complicated aggregates was considered taking into account the specific role of Cu-(C=C) interaction, the construction of the organic ligands, the basicity and nucleophilic activity of their heteroatoms, as well as olefin Cu(I) π-complex preparation route. [...]