(E)-1-(5-Methyl-1-(4-nitrophenyl)-1H-1,2,3-triazol-4-yl)ethan-1-one Oxime
نویسندگان
چکیده
The reaction of 1-(5-methyl-1-(4-nitrophenyl)-1H-1,2,3-triazol-4-yl)ethan-1-one (1) with excess hydroxylamine hydrochloride (2 mole equivalents) in dry ethanol afforded (E)-1-(5-methyl-1-(4-nitrophenyl)-1H-1,2,3-triazol-4-yl)ethan-1-one oxime (2) 86% yield. structure the new heterocycle 2 was confirmed using nuclear magnetic resonance spectroscopy, single crystal X-ray and elemental analysis.
منابع مشابه
(E)-1-(1-Benzyl-5-methyl-1H-1,2,3-triazol-4-yl)-3-(4-fluorophenyl)prop-2-en-1-one
The asymmetric unit of the title compound, C(19)H(16)FN(3)O, contains two crystallographically independent mol-ecules. The triazole rings in both mol-ecules are essentially planar with maximum deviations of 0.002 (1) and 0.001 (1) Å. The dihedral angles between the benzene and fluorophenyl rings are 79.36 (9) and 89.40 (10)° in the two molecules. In the crystal, the two independent mol-ecules a...
متن کامل(E)-1-(1-Benzyl-5-methyl-1H-1,2,3-triazol-4-yl)-3-phenylprop-2-en-1-one
The asymmetric unit of the title compound, C(19)H(17)N(3)O, contains two independent mol-ecules. In one mol-ecule, the essentially planar triazole ring [maximum deviation = 0.003 (2) Å] forms dihedral angles of 5.57 (12) and 87.51 (12)° with the two phenyl rings, while in the other mol-ecule [maximum deviation in triazole ring = 0.001 (2) Å] these angles are 1.55 (10) and 82.73 (11)°. The dihed...
متن کامل5-(4-Fluorophenyl)-3-[5-methyl-1-(4-methylphenyl)-1H-1,2,3-triazol-4-yl]-4,5-dihydro-1H-pyrazole-1-carbothioamide
In the title compound, C(20)H(19)FN(6)S, the pyrazole ring has an envelope conformation, with the methine C atom being the flap atom. The dihedral angle between the least-squares plane through the pyrazole and triazole rings is 7.59 (9)°, and the triazole and attached benzene ring form a dihedral angle of 74.79 (9)°. The thio-urea group is coplanar with the pyrazole ring [N-N-C-S torsion angle ...
متن کامل1-(4-Chloro-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5(4H)-one
In the crystal structure of the title compound, C(10)H(7)ClF(3)N(3)O, pairs of mol-ecules are connected into dimers via pairs of C-H⋯O hydrogen bonds. The dihedral angle between the benzene ring and attached triazolone ring is 53.2 (1)°.
متن کامل1-{1-[2,8-Bis(trifluoromethyl)-4-quinolyl]-5-methyl-1H-1,2,3-triazol-4-yl}ethanone
There are two independent mol-ecules in the asymmetric unit of the title compound, C(16)H(10)F(6)N(4)O. The triazole ring is not coplanar with the quinoline ring system; the dihedral angle between the two planes being 74.47 (12) and 63.97 (13)° in the two mol-ecules. The crystal structure is characterized by inter-molecular C-H⋯F, C-H⋯N and C-H⋯O hydrogen bonding. Weak intra-molecular C-H⋯F int...
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ژورنال
عنوان ژورنال: Molbank
سال: 2023
ISSN: ['1422-8599']
DOI: https://doi.org/10.3390/m1593