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Crystal structures of new schiff bases N,N'-bis(2-hydroxy-3-methoxybenzyl- idene)-1,4-diaminobutane and N,N'-Bis(2-hydroxy-4-methoxybenzylidene)-1,2- diaminoethane

Lookup NU author(s): Professor Mohammad Habibi, Dr Ross Harrington, Emeritus Professor Bill Clegg

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Abstract

The crystal structures of N, N'-bis(2-hydroxy-3-methoxybenzylidene)-1,4- diaminobutane (1) and N,N'-bis (2-hydroxy-4-methoxybenzylidene)-1,2- diaminoethane (2) have been determined by single-crystal X-ray diffraction. Compound 1 crystallizes in the triclinic space group P1̄ with a = 12.6062(15), b = 12.6317(14), c = 12.8917(15) Å, α = 102.728(2), β = 110.493(2), γ = 92.266(2)°, Z = 4, with 4 crystallographically independent molecules in the unit cell, each having crystallographic inversion symmetry. Compound 2 crystallizes in the monoclinic space group C2/c with a = 18.840(4), b = 7.6120(18), c = 11.5311(11) Å, β = 90.379(17)°, Z = 4. The molecules have crystallographic C 2 symmetry. Intramolecular hydrogen bonds occur between O(2) and N(1) (2.597(2) Å) and between O(4) and N(2) (2.588(2) Å) for 1 (values for two independent molecules), and between O(1) and N(1) (2.587 (2) Å) for 2. © 2007 Verlag der Zeitschrift für Naturforschung.


Publication metadata

Author(s): Habibi MH, Sardashti MK, Barati K, Harrington RW, Clegg W

Publication type: Article

Publication status: Published

Journal: Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences

Year: 2007

Volume: 62

Issue: 4

Pages: 621-624

Print publication date: 01/04/2007

ISSN (print): 0932-0776

ISSN (electronic): 1865-7117

Publisher: Verlag der Zeitschrift fuer Naturforschung


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