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Full-Text Articles in Chemistry
Host-Guest Complexes Of C-Propyl-2-Bromoresorcinarene With Aromatic N-Oxides*, Rakesh Puttreddy, Ngong Kodiah Beyeh, Pia Jurček, Lotta Turunen, John F. Trant, Robin H.A. Ras, Kari Rissanen
Host-Guest Complexes Of C-Propyl-2-Bromoresorcinarene With Aromatic N-Oxides*, Rakesh Puttreddy, Ngong Kodiah Beyeh, Pia Jurček, Lotta Turunen, John F. Trant, Robin H.A. Ras, Kari Rissanen
Chemistry and Biochemistry Publications
The host-guest complexes of C-propyl-2-bromoresorcinarene with pyridine N-oxide, 3-methylpyridine N-oxide, quinoline N-oxide and isoquinoline N-oxide are studied using single crystal X-ray crystallography and 1H NMR spectroscopy. The C-propyl-2-bromoresorcinarene forms endo-complexes with the aromatic N-oxides in the solid-state when crystallised from either methanol or acetone. In solution, the endo-complexes were observed only in methanol-d4. In DMSO the solvent itself is a good guest, and crystallisation provides only solvate endo-complexes. The C-propyl-2-bromoresorcinarene shows remarkable flexibility when crystallised from either methanol or acetone, and packs into one-dimensional self-included chains. Of special note, crystallising C-propyl-2-bromoresorcinarene with 3-methylpyridine N-oxide from acetone results in a 2:2 …
Crystal Structure Of (2-{[(8-AminonaPhthalen-1-Yl)Imino]MethYl}-4,6-Di-Tert-ButylPhenolato-Κ3n,N′,O)BromidoNickel(Ii), Patrick O’Brien, Matthias Zeller, Wei-Tsung Less
Crystal Structure Of (2-{[(8-AminonaPhthalen-1-Yl)Imino]MethYl}-4,6-Di-Tert-ButylPhenolato-Κ3n,N′,O)BromidoNickel(Ii), Patrick O’Brien, Matthias Zeller, Wei-Tsung Less
Chemistry: Faculty Publications and Other Works
The title compound, [NiBr(C25H29N2O)], contains an NiII atom with a slightly distorted square-planar coordination environment defined by one O and two N atoms from the 2-{[(8-aminonaphthalen-1-yl)imino]methyl}-4,6-di-tert-butylphenolate ligand and a bromide anion. The Ni—O and Ni—N bond lengths are slightly longer than those observed in the phenyl backbone counterpart, which can be attributed to the larger steric hindrance of the naphthyl group in the structure of the title compound. The molecule as a whole is substantially distorted, with both the planar naphthalene-1,8-diamine and imino–methyl– phenolate substitutents rotated against the NiN2OBr plane by 38.92 (7) and 37.22 (8), respectively, giving the molecule …