Crystal structure and 63Cu NQR of bis[1-aza-2-(1-pyrrolidinyl)]copper(I) chloride and bromide

Khajehnouri, Fereidoun; Amstutz, Nahid; Lücken, E. A. C.; Bérnardinelli, Gerald

doi:10.1016/s0020-1693(97)05948-3

Cited by 4 publications

(1 citation statement)

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“…Pyrrolidine reacted with acetonitrile to form N,N-tetramethyleneacetamidine in compound 1. In general, the formation of substituted amidines from primary or secondary amines and unactivated nitriles is disfavoured but pyrrolidine has been reported to react with acetonitrile under special conditions, namely in the presence of lanthanide(III) ions [18] and during a Cu(I) complex formation for which the crystal structure has been described [19,20]. As reported in Scheme 2, in the case of complex 3, butylamine apparently reacted with CO 2 absorbed from the atmosphere to form butylammonium N-butylcarbamate.…”

Section: Resultsmentioning

confidence: 99%

A Tetrahomodioxacalix[6]arene as a Ditopic Ligand for Uranyl Ions with Carbonate or Carbamate Bridges

Masci

Thuéry

2003

Supramolecular Chemistry

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The first crystal structures of a p-tert-butyltetrahomodioxacalix[6]arene comprising two tri-phenolic subunits separated by two ether bridges and two of its complexes with uranyl ions are reported. The doubly deprotonated macrocycle assumes a much elongated, cone-like conformation including two organic species. Two binuclear uranyl complexes are described. In both, each cation is bound to the three phenoxide oxygen atoms of a triphenolic subunit and to a central, bridging, carbonate or carbamate ion. The formation of the latter ions from the amines used as bases is discussed.

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Section: Resultsmentioning

confidence: 99%