One-pot synthesis, characterization and crystal structure determination of novel 1,4,5-Trisubstituted 1,2,3-Triazole with two conformational isomers: 1-Benzyl-5-((4- methoxyphenyl)ethynyl)-4-phenyl-1H-1,2,3-triazole

Ahmed, M.N. and Yasin, K.A. and Khan, B.A. and Riaz, M. and -, Sadiq-Ur-Rehman and Lo, K.M. and Naseer, M.M. and Arshad, I. and Irshad, M. (2016) One-pot synthesis, characterization and crystal structure determination of novel 1,4,5-Trisubstituted 1,2,3-Triazole with two conformational isomers: 1-Benzyl-5-((4- methoxyphenyl)ethynyl)-4-phenyl-1H-1,2,3-triazole. Jiegou Huaxue, 35 (1). pp. 55-60. ISSN 0254-5861, DOI https://doi.org/10.14102/j.cnki.0254-5861.2011-0831.

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Official URL: http://dx.doi.org/10.14102/j.cnki.0254-5861.2011-0...

Abstract

The title compound 1-benzyl-5-((4-methoxyphenyl)ethynyl)-4-phenyl-1H-1,2,3- Triazole (C24H19N3O) was designed and synthesized using one-pot strategy and structural characterization was done by single-crystal X-ray diffraction, NMR, IR and MS. This compound was crystallized out from an ethanolic solution in triclinic system, space group P1 with a = 9.9038(9), b = 10.2928(9), c = 18.8715(19) Å, α = 103.541(6), β = 90.507(7), γ = 97.157(7)°, V = 1854.2(3) Å3, Z = 4, crystal size (mm) = 0.25 × 0.1 × 0.1 and Rint= 0.068. Its asymmetric unit contains two independent molecules. The crystal structure of the title compound is stabilized by intramolecular interactions of types C-H.........N and C-H.........O. Additionally, X-ray analysis reveals obvious C-H.........π, π-π stacking interactions between two adjacent aromatic ring planes.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Alkyne; C-H.........π interactions; Click chemistry; Crystal structure; Trisubstituted triazole
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Divisions: Faculty of Science > Department of Chemistry
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 08 Nov 2017 01:14
Last Modified: 08 Nov 2017 01:14
URI: http://eprints.um.edu.my/id/eprint/18150

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