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Structure elucidation of 3-[1-(6-methoxy-2-naphtyl)ethyl]-6-(2,4-dichlorophenyl)-7H-1,2,4-triazolo[3,4-b]-1,3,4-thiadiazine, C23H18Cl2N4OS from synchrotron X-ray powder diffraction

Published online by Cambridge University Press:  19 December 2017

Gülsüm Gündoğdu*
Affiliation:
Faculty of Engineering Department of Physics Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
Sevim Peri Aytaç
Affiliation:
Faculty of Pharmacy Department of Pharmaceutical Chemistry, Hacettepe University, 06100 Sıhhiye, Ankara, Turkey
Melanie Müller
Affiliation:
Department of Crystallography, Ruhr University Bochum, Institute for Geology, Mineralogy and Geophysics, D44780 Bochum, Germany
Birsen Tozkoparan
Affiliation:
Faculty of Pharmacy Department of Pharmaceutical Chemistry, Hacettepe University, 06100 Sıhhiye, Ankara, Turkey
Filiz Betül Kaynak
Affiliation:
Faculty of Engineering Department of Physics Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
*
a)Author to whom correspondence should be addressed. Electronic mail: [email protected]

Abstract

The 3-[1-(6-methoxy-2-naphtyl)ethyl]-6-(2,4-dichlorophenyl)-7H-1,2,4-triazolo[3,4-b]-1,3,4-thiadiazine, C23H18Cl2N4OS compound was synthesized, as a member of the family of novel potential anticancer agents. The structure of the title compound was characterized by IR, 1H-NMR, mass spectroscopy, and elemental analysis, previously. In this study, the crystal structure of this compound has been determined from synchrotron X-ray powder diffraction data. The crystal structure was solved by simulated annealing and the final structure was achieved by Rietveld refinement method using soft restrains on all interatomic bond lengths and angles. This compound crystallizes in space group P21, Z = 2, with the unit-cell parameters a = 15.55645(11) Å, b = 8.61693(6) Å, c = 8.56702(6) Å, β = 104.3270(4)°, and V = 1112.68(1) Å3. In the crystal structure, strong C−H⋯π and weak intermolecular hydrogen-bonding interactions link the molecules into a three-dimensional network. The molecules are in a head-to-head arrangement in the unit cell.

Type
New Diffraction Data
Copyright
Copyright © International Centre for Diffraction Data 2017 

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