Home Crystal structure of N-2,6-difluorobenzoyl-N′-[1-(3-chloro-4-methyl-phenyl)-4-cyano-1H-pyrazol-5-carbamoyl]urea, C19H12ClF2N5O2
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Crystal structure of N-2,6-difluorobenzoyl-N′-[1-(3-chloro-4-methyl-phenyl)-4-cyano-1H-pyrazol-5-carbamoyl]urea, C19H12ClF2N5O2

  • Nan Li ORCID logo , Zheng Li , Tian Ci Wang , Jun Miao , Haixia Wu , Jin Long Gao EMAIL logo and Ju Chuan Shan EMAIL logo
Published/Copyright: January 24, 2023

Abstract

C19H12ClF2N5O2, monoclinic, P21/n (no. 14), a = 14.405(9) Å, b = 7.579(5) Å, c = 17.610(9) Å, β = 95.856(13)°, V = 1913(2) Å3, Z = 4, R gt (F) = 0.0464, wR ref (F2) = 0.1134, T = 296 K.

CCDC no.: 2224208

Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal: Colourless block
Size: 0.13 × 0.12 × 0.10 mm
Wavelength: Mo Kα radiation (0.71073 Å)
μ: 0.25 mm−1
Diffractometer, scan mode: APEX2/ω
θmax, completeness: 25.0°, 99%
N(hkl)measured, N(hkl)unique, Rint: 23,418, 3337, 0.079
Criterion for Iobs, N(hkl)gt: Iobs > 2σ(Iobs), 2369
N(param)refined: 264
Programs: Bruker [1], Olex2 [2], SHELX [3, 4], Diamond [5]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

Atom x y z Uiso*/Ueq
Cl1 0.89535 (6) 0.19510 (12) 1.03120 (4) 0.0875 (3)
C1 0.48101 (19) 0.4966 (3) 0.72525 (13) 0.0462 (6)
N1 0.40505 (17) 0.5412 (3) 0.71613 (14) 0.0699 (7)
F1 0.69052 (12) 0.6283 (2) 1.13254 (9) 0.0750 (5)
O1 0.52232 (12) 0.4354 (2) 0.90788 (9) 0.0520 (5)
N2 0.70857 (15) 0.3059 (3) 0.70669 (11) 0.0495 (5)
C2 0.57535 (15) 0.4379 (3) 0.73374 (12) 0.0393 (5)
F2 0.61878 (16) 1.1527 (2) 1.00051 (11) 0.0993 (7)
O2 0.71199 (15) 0.8379 (3) 0.94563 (11) 0.0877 (8)
C3 0.62148 (18) 0.3408 (3) 0.68142 (13) 0.0494 (6)
H3 0.593607 0.304943 0.633967 0.059*
N3 0.72026 (13) 0.3817 (2) 0.77724 (10) 0.0393 (5)
C4 0.64217 (14) 0.4657 (3) 0.79452 (12) 0.0348 (5)
N4 0.64362 (12) 0.5700 (2) 0.85963 (10) 0.0398 (5)
H4 0.684563 0.652578 0.866320 0.048*
N5 0.59466 (13) 0.6591 (2) 0.97533 (10) 0.0413 (5)
H5 0.557371 0.641682 1.009739 0.050*
C5 0.58338 (15) 0.5469 (3) 0.91279 (12) 0.0362 (5)
C6 0.65732 (17) 0.7937 (3) 0.98942 (13) 0.0475 (6)
C7 0.65304 (15) 0.8862 (3) 1.06393 (13) 0.0426 (6)
C8 0.67006 (17) 0.8028 (3) 1.13322 (14) 0.0487 (6)
C9 0.67069 (18) 0.8876 (4) 1.20198 (15) 0.0603 (8)
H9 0.682248 0.826138 1.247682 0.072*
C10 0.65383 (18) 1.0650 (5) 1.20142 (17) 0.0652 (8)
H10 0.654483 1.124995 1.247540 0.078*
C11 0.6360 (2) 1.1564 (4) 1.13439 (19) 0.0706 (9)
H11 0.623879 1.276955 1.134524 0.085*
C12 0.63642 (19) 1.0652 (4) 1.06687 (16) 0.0580 (7)
C13 0.80751 (16) 0.3625 (3) 0.82299 (13) 0.0406 (6)
C14 0.80960 (17) 0.2947 (3) 0.89554 (13) 0.0479 (6)
H14 0.754801 0.260866 0.915240 0.058*
C15 0.8956 (2) 0.2777 (3) 0.93894 (14) 0.0549 (7)
C16 0.88883 (17) 0.4112 (3) 0.79343 (15) 0.0522 (7)
H16 0.887280 0.456624 0.744256 0.063*
C17 0.97260 (18) 0.3912 (4) 0.83827 (17) 0.0608 (8)
H17 1.027300 0.423880 0.818143 0.073*
C18 0.97877 (19) 0.3247 (3) 0.91172 (16) 0.0565 (7)
C19 1.0724 (2) 0.3040 (5) 0.9573 (2) 0.0836 (10)
H19A 1.073024 0.369363 1.004007 0.125*
H19B 1.120268 0.347930 0.928189 0.125*
H19C 1.083468 0.181459 0.968649 0.125*

Source of material

The mixture of 5-amino-1-(3-chloro-4-methylphenyl)-1H-pyrazole-4-carbonitrile (0.117 g, 1 mmol), 2,6-difluorobenzoyl isocyanate (0.315 g, 4 mmol) and 1,2-dichloroethane solvent (10 mL) was added. The reaction solution was heated and refluxed at 80 °C. Then cooled to room temperature. After that the solvent was removed under reduced pressure. Moreover, the residue was purified by recrystallization with ethanol and dried to obtain a powder with a yield of 90.8%. Subsequently, the product was put into a single mouth bottle and add an appropriate amount of ethanol to form a suspension by ultrasound. Afterwards, this mixture was heated to 80 °C resulting in a colourless solution and then cooled to room temperature. Crystals of the title compound were obtained by slow evaporation within seven days.

Experimental details

Hydrogen atoms were placed in their geometrically idealized positions and constrained to ride on their parent atoms.

Comment

Urea compounds are a growing field of research because of their application in many fields. Including terilization in oil field production, corrosion inhibition of pipeline steel [6] and pest control in farmland [7, 8] etc. Among them, 2,6-difluorobenzoylurea as a skeleton is widely used in the design of chitin synthesis inhibitors [9]. In order to solve the problems of high toxicity, high residue and low activity of traditional insecticides, it is important to optimize the structure of 2,6-difluorobenzoylurea compounds [10, 11]. On this basis, we designed and prepared the title compound using the basic skeleton of commercial 2,6-difluorobenzoylurea as the lead compound with theories of bioelectronic equivalents and active substructure splicing and its crystal structure is described.

The asymmetric unit of the title compound consists of one molecule of the organic compound (see the figure). Compared with reported structures, all bond lengths and bond angles are within the normal ranges [12], [13], [14]. In the molecule, the plane of 4-cyanopyrazole (C2–C3–N2–N3–C4) encloses an angle of 61.0° with the plane of the difluorobenzene ring (C7–C8–C9–C10–C11–C12), and a 122.85° angle with the plane of the urea bridge plane (N4–C5–N5–C6). The two aromatic rings are approximately vertical and the dihedral angle is 87.8°.

Intramolecular and intermolecular hydrogen bonding exist in the crystal structure of the title compound. The nitrogen atom N4 provides one intramolecular N–H⋯O hydrogen bond to oxygen atom O2 (N4⋯O2 = 2.661(3) Å). In addition, the nitrogen atom N5 provides one intermolecular N–H⋯O hydrogen bond to oxygen atom O1′ of an adjacent molecule (N5⋯O1′ = 2.879(3) Å; ′ = 1−x, 1−y, 2−z).


Corresponding authors: Jin Long Gao, College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, #26 Yuxiang Street, Yuhua District, Shijiazhuang, 050018, China, E-mail: ; and Ju Chuan Shan, College of Textile and Garments, Hebei University of Science and Technology, #26 Yuxiang Street, Yuhua District, Shijiazhuang, 050018, China, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2022-12-06
Accepted: 2023-01-10
Published Online: 2023-01-24
Published in Print: 2023-04-25

© 2022 the author(s), published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 International License.

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  73. Crystal structure of bis(trimethylphenylammonium) aqua-oxido-octathiotritungstate, (Me3PhN)2[W3OS8(H2O)]
  74. The crystal structure of trichlorido[N-[(2-oxyphenyl)methylidene]phenylglycinemethylester-κ3O,N,O′]-tin(IV) – methylene chloride (1/1), C16H14Cl3NO3Sn·CH2Cl2
  75. The crystal structure of furan-2,5-diylbis((4-chlorophenyl)methanol), C18H14Cl2O3
  76. The crystal structure of hexalithium decavanadate hexadecahydrate, H32Li6O44V10
  77. Crystal structure of ethyl 4-{[5-(adamantan-1-yl)-2-sulfanylidene-2,3-dihydro-1,3,4-oxadiazol-3-yl]methyl}piperazine-1-carboxylate, C20H30N4O3S
  78. Crystal structure of aqua(μ2-2,2′,2″-((nitrilo)tris(ethane-2,1-diyl(nitrilo)methylylidene))tris (6-ethoxyphenolato))(pentane-2,4-dionato-κ2O,O′)-dinickel(II), C38H48N4Ni2O9
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