So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Li, Yang; Xiao, Tao; Yu, Guang Yan; Liu, Dong Liang researched the compound: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone( cas:86404-63-9 ).Computed Properties of C10H7F2N3O.They published the article 《Ethyl 2-{[7-fluoro-4-oxo-3-(1H-1,2,4-triazol-1-yl)-4H-thiochromen-2-yl]sulfanyl}acetate》 about this compound( cas:86404-63-9 ) in Acta Crystallographica, Section E: Structure Reports Online. Keywords: ethyl fluoro oxotriazolyl thiochromen sulfanyl acetate ester crystal structure; mol structure ethyl fluorooxotriazolylthiochromensulfanyl acetate ester; hydrogen bond ethyl fluorooxotriazolylthiochromensulfanylacetate ester. We’ll tell you more about this compound (cas:86404-63-9).
In the title compound, C15H12FN3O3S2, the two six-membered rings are essentially coplanar, their mean planes making a dihedral angle of 1.1 (2)°. The carbonyl C, the two attached non-fused C atoms and the S atom deviate from the plane of the benzene ring by -0.046 (5), -0.017 (5), 0.000 (6), 0.026 (4) Å, resp. The angle between the mean planes of the triazole ring and the sulfur heterocycle is 53.3 (1)°. In the crystal, intermol. C-H…O hydrogen bonds link the mols. in a stacked arrangement along the a axis. Crystallog. data are given.
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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics