organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

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ISSN: 2414-3146

Ethyl 2-anilino-4-methyl-5-[5-methyl-1-(4-methyl­phen­yl)-1H-1,2,3-triazole-4-carbon­yl]­thio­phene-3-carboxyl­ate

CROSSMARK_Color_square_no_text.svg

aDepartment of Optometry, College of Applied Medical Sciences, King Saud University, PO Box 10219, Riyadh 11433, Saudi Arabia, bDepartment of Chemistry, College of Science and Humanities, Shaqra University, Duwadimi, Saudi Arabia, cApplied Organic Chemistry Department, National Research Centre, Dokki, Giza, Egypt, dCenter of Excellence in Integrated Nano-Systems, King Abdulaziz City for Science and Technology, PO Box 6086, Riyadh 11442, Saudi Arabia, eDepartment of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq, and fSchool of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK
*Correspondence e-mail: gelhiti@ksu.edu.sa

Edited by W. T. A. Harrison, University of Aberdeen, Scotland (Received 2 August 2018; accepted 2 August 2018; online 10 August 2018)

The conformation of the title compound, C25H24N4O3S, is influenced by an intra­molecular N—H⋯O hydrogen bond, which generates an S(6) ring. The twist angles between the planes through the toluyl, methyl­triazole, thio­phene and phenyl rings are 60.1 (1), 33.5 (1) and 39.9 (1)°, respectively. In the crystal, mol­ecules are stacked along the a-axis direction with weak aromatic ππ stacking inter­actions occurring between the thio­phene rings [centroid-to-centroid distance = 3.7285 (15) Å].

3D view (loading...)
[Scheme 3D1]
Chemical scheme
[Scheme 1]

Structure description

Substituted 2-amino­thio­phenes are found in numerous biologically active compounds including olanzapine as an anti­psychotic drug and tinoridine as a potent nonsteroidal anti-inflammatory drug (Al-Taisan et al., 2010[Al-Taisan, K. M., Al-Hazimi, H. M. A. & Al-Shihry, S. S. (2010). Molecules, 15, 3932-3957.]; Huang & Dömling, 2011[Huang, Y. & Dömling, A. (2011). Mol. Divers. 15, 3-33.]; Wardakhan et al., 2016[Wardakhan, W. W., Hamed, F. I. & Samir, E. M. (2016). Eur. Chem. Bull. 5, 82-87.]). As part of our studies of similar systems, we now describe the structure of the title compound.

The asymmetric unit comprises one mol­ecule of C25H24N4O3S (Fig. 1[link]). An intra­molecular N—H⋯O hydrogen bond occurs in the mol­ecule (Table 1[link]) and the twist angles between the planes through the toluyl, methyl­triazole, thio­phene and phenyl rings are 60.1 (1)°, 33.5 (1)° and 39.9 (1)° respectively. In the crystal, mol­ecules are stacked along the a-axis and ππ type inter­actions involving thio­phene groups of neighbouring mol­ecules with centroid-to-centroid distances of 3.7285 (15) Å are observed (Fig. 2[link]); the pairs are related by a twofold rotation axis.

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
N5—H5⋯O2 0.86 2.08 2.704 (3) 129
[Figure 1]
Figure 1
The mol­ecular structure of the title compound, showing 50% displacement ellipsoids.
[Figure 2]
Figure 2
A segment of the crystal structure showing thio­phene ππ contacts as dotted lines.

Synthesis and crystallization

The title compound was synthesized by a literature procedure (Mohamed et al., 2017[Mohamed, H. A., Abdel-Wahab, B. F. & El-Hiti, G. A. (2017). Heterocycles, 94, 716-726.]) in 78% yield and recrystallized from di­methyl­formamide solution as yellow plates, m.p. 472–473 K.

Refinement

Crystal data, data collection and structure refinement details are summarized in Table 2[link].

Table 2
Experimental details

Crystal data
Chemical formula C25H24N4O3S
Mr 460.54
Crystal system, space group Monoclinic, P2/c
Temperature (K) 293
a, b, c (Å) 8.3287 (7), 13.8956 (9), 20.3124 (15)
β (°) 90.635 (8)
V3) 2350.7 (3)
Z 4
Radiation type Mo Kα
μ (mm−1) 0.17
Crystal size (mm) 0.23 × 0.15 × 0.04
 
Data collection
Diffractometer Rigaku Oxford Diffraction SuperNova, Dual, Cu at zero, Atlas
Absorption correction Gaussian (CrysAlis PRO; Rigaku OD, 2015[Rigaku OD (2015). CrysAlis PRO. Rigaku Oxford Diffraction, Yarnton, England.])
Tmin, Tmax 0.995, 0.999
No. of measured, independent and observed [I > 2σ(I)] reflections 22546, 5978, 2688
Rint 0.075
(sin θ/λ)max−1) 0.700
 
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.063, 0.182, 1.01
No. of reflections 5978
No. of parameters 302
H-atom treatment H-atom parameters constrained
Δρmax, Δρmin (e Å−3) 0.22, −0.27
Computer programs: CrysAlis PRO (Rigaku OD, 2015[Rigaku OD (2015). CrysAlis PRO. Rigaku Oxford Diffraction, Yarnton, England.]), SHELXS97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]), SHELXL2018 (Sheldrick, 2015[Sheldrick, G. M. (2015). Acta Cryst. C71, 3-8.]), ORTEP-3 for Windows and WinGX (Farrugia, 2012[Farrugia, L. J. (2012). J. Appl. Cryst. 45, 849-854.]) and CHEMDRAW Ultra (Cambridge Soft, 2001[Cambridge Soft (2001). CHEMDRAW Ultra. Cambridge Soft Corporation, Cambridge, Massachusetts, USA.]).

Structural data


Computing details top

Data collection: CrysAlis PRO (Rigaku OD, 2015); cell refinement: SHELXS97 (Sheldrick, 2008); data reduction: SHELXL2018 (Sheldrick, 2015); program(s) used to solve structure: ORTEP-3 for Windows and WinGX (Farrugia, 2012); program(s) used to refine structure: SHELXL2018 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows and WinGX (Farrugia, 2012); software used to prepare material for publication: CHEMDRAW Ultra (Cambridge Soft, 2001).

Ethyl 2-anilino-4-methyl-5-[5-methyl-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carbonyl]thiophene-3-carboxylate top
Crystal data top
C25H24N4O3SF(000) = 968
Mr = 460.54Dx = 1.301 Mg m3
Monoclinic, P2/cMo Kα radiation, λ = 0.71073 Å
a = 8.3287 (7) ÅCell parameters from 3069 reflections
b = 13.8956 (9) Åθ = 3.9–24.4°
c = 20.3124 (15) ŵ = 0.17 mm1
β = 90.635 (8)°T = 293 K
V = 2350.7 (3) Å3Plate, yellow
Z = 40.23 × 0.15 × 0.04 mm
Data collection top
Rigaku Oxford Diffraction SuperNova, Dual, Cu at zero, Atlas
diffractometer
2688 reflections with I > 2σ(I)
ω scansRint = 0.075
Absorption correction: gaussian
(CrysAlis PRO; Rigaku OD, 2015)
θmax = 29.8°, θmin = 1.5°
Tmin = 0.995, Tmax = 0.999h = 811
22546 measured reflectionsk = 1918
5978 independent reflectionsl = 2725
Refinement top
Refinement on F20 restraints
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.063H-atom parameters constrained
wR(F2) = 0.182 w = 1/[σ2(Fo2) + (0.0677P)2 + 0.1629P]
where P = (Fo2 + 2Fc2)/3
S = 1.01(Δ/σ)max < 0.001
5978 reflectionsΔρmax = 0.22 e Å3
302 parametersΔρmin = 0.26 e Å3
Special details top

Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes.

Refinement. Non-hydrogen atoms were refined with anisotropic displacement parameters. All hydrogen atoms were placed in calculated positions and refined using a riding model. Methyl C—H bonds were fixed at 0.96 Å, with displacement parameters 1.5 times Ueq(C), and were allowed to spin about the C—C bond. Methylene C—H bonds were fixed at 0.97 Å with displacement parameters 1.2 times Ueq(C). The N—H bond was fixed at 0.86 Å and aromatic C—H distances were set to 0.93 Å and their U(iso) set to 1.2 times the Ueq for the atoms to which they are bonded.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
C10.2351 (6)0.5726 (3)0.2019 (2)0.1272 (19)
H1A0.2585160.6075480.2414640.191*
H1B0.1210860.5714100.1955010.191*
H1C0.2744610.5079740.2057030.191*
C20.3162 (4)0.6218 (3)0.14350 (19)0.0806 (11)
C30.3240 (4)0.5779 (3)0.08255 (19)0.0773 (10)
H30.2801240.5168730.0773000.093*
C40.3951 (4)0.6227 (2)0.02960 (16)0.0682 (9)
H40.3981910.5925150.0112520.082*
C50.4618 (4)0.7124 (2)0.03719 (15)0.0573 (8)
C60.4602 (5)0.7578 (2)0.09710 (16)0.0738 (10)
H60.5073350.8179460.1022730.089*
C70.3861 (5)0.7112 (3)0.15004 (17)0.0856 (12)
H70.3836820.7412380.1909450.103*
C80.3672 (3)0.9046 (2)0.02623 (15)0.0606 (8)
H8A0.3908320.9315140.0161150.091*
H8B0.3532490.9556290.0575170.091*
H8C0.2704830.8672680.0232140.091*
C90.5025 (3)0.8417 (2)0.04803 (14)0.0499 (7)
C100.6094 (3)0.8475 (2)0.09995 (14)0.0499 (7)
C110.6279 (3)0.9260 (2)0.14862 (14)0.0523 (7)
C120.7123 (3)0.90717 (19)0.21113 (13)0.0478 (7)
C130.7711 (3)0.97434 (18)0.25536 (13)0.0462 (7)
C140.7598 (4)1.0808 (2)0.24459 (15)0.0652 (9)
H14A0.7486811.0937250.1983430.098*
H14B0.8554051.1112180.2612660.098*
H14C0.6681461.1055770.2672620.098*
C150.8426 (3)0.92958 (18)0.31215 (13)0.0452 (6)
C160.8296 (3)0.8298 (2)0.31015 (13)0.0492 (7)
C170.8438 (4)0.6707 (2)0.36650 (14)0.0543 (7)
C180.9483 (4)0.6112 (2)0.39992 (19)0.0785 (10)
H181.0468900.6345730.4147400.094*
C190.9063 (5)0.5164 (3)0.4114 (2)0.1003 (14)
H190.9768300.4761750.4341320.120*
C200.7604 (6)0.4812 (3)0.3894 (2)0.0944 (12)
H200.7331040.4171630.3965390.113*
C210.6571 (5)0.5408 (3)0.35733 (18)0.0844 (11)
H210.5585100.5174010.3425380.101*
C220.6966 (4)0.6350 (2)0.34652 (15)0.0690 (9)
H220.6234310.6754040.3254360.083*
C230.9240 (3)0.9763 (2)0.36794 (14)0.0500 (7)
C240.9832 (5)1.1200 (3)0.42540 (19)0.0979 (14)
H24A0.9423861.0984160.4674520.117*
H24B1.0969911.1054270.4239700.117*
C250.9584 (6)1.2224 (3)0.4184 (2)0.1055 (15)
H25A0.9933831.2425980.3756450.158*
H25B1.0190871.2558180.4516800.158*
H25C0.8464241.2368120.4230430.158*
N10.5376 (3)0.75785 (17)0.01888 (11)0.0533 (6)
N20.6622 (3)0.71189 (17)0.05061 (13)0.0659 (7)
N30.7040 (3)0.76756 (18)0.09930 (13)0.0638 (7)
N50.8863 (3)0.76760 (15)0.35745 (11)0.0556 (6)
H50.9560050.7906160.3847440.067*
O10.5702 (3)1.00550 (14)0.13552 (10)0.0701 (6)
O21.0056 (2)0.93309 (14)0.40814 (10)0.0633 (6)
O30.8992 (3)1.07044 (14)0.37197 (10)0.0687 (6)
S10.74326 (9)0.78984 (5)0.23839 (4)0.0566 (3)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
C10.128 (4)0.167 (4)0.085 (3)0.025 (3)0.044 (3)0.059 (3)
C20.078 (2)0.101 (3)0.062 (2)0.022 (2)0.022 (2)0.030 (2)
C30.075 (2)0.089 (2)0.068 (3)0.0077 (18)0.005 (2)0.024 (2)
C40.072 (2)0.084 (2)0.049 (2)0.0071 (17)0.0067 (17)0.0090 (17)
C50.0613 (18)0.0681 (19)0.0421 (18)0.0094 (15)0.0116 (15)0.0086 (15)
C60.104 (3)0.069 (2)0.048 (2)0.0157 (18)0.013 (2)0.0028 (16)
C70.119 (3)0.094 (3)0.043 (2)0.038 (2)0.020 (2)0.0071 (19)
C80.0534 (17)0.080 (2)0.0483 (18)0.0117 (15)0.0090 (15)0.0020 (15)
C90.0532 (16)0.0578 (17)0.0387 (16)0.0019 (13)0.0038 (14)0.0015 (13)
C100.0501 (15)0.0605 (17)0.0389 (16)0.0035 (13)0.0093 (14)0.0008 (13)
C110.0504 (16)0.0618 (18)0.0446 (17)0.0007 (13)0.0066 (14)0.0028 (14)
C120.0482 (15)0.0560 (16)0.0389 (16)0.0013 (12)0.0061 (13)0.0013 (12)
C130.0480 (15)0.0530 (16)0.0376 (16)0.0030 (12)0.0030 (13)0.0003 (12)
C140.082 (2)0.0602 (18)0.053 (2)0.0001 (15)0.0175 (18)0.0064 (14)
C150.0477 (15)0.0510 (15)0.0368 (15)0.0009 (12)0.0062 (13)0.0003 (12)
C160.0487 (15)0.0592 (17)0.0395 (16)0.0015 (13)0.0062 (13)0.0043 (13)
C170.0642 (18)0.0537 (16)0.0450 (18)0.0015 (14)0.0017 (15)0.0010 (14)
C180.068 (2)0.067 (2)0.100 (3)0.0027 (17)0.006 (2)0.018 (2)
C190.092 (3)0.067 (2)0.142 (4)0.015 (2)0.018 (3)0.032 (2)
C200.114 (3)0.061 (2)0.109 (3)0.016 (2)0.035 (3)0.006 (2)
C210.104 (3)0.088 (3)0.061 (2)0.035 (2)0.004 (2)0.0007 (19)
C220.076 (2)0.082 (2)0.049 (2)0.0230 (18)0.0065 (17)0.0126 (16)
C230.0483 (15)0.0568 (17)0.0448 (17)0.0040 (13)0.0046 (14)0.0015 (14)
C240.139 (4)0.076 (2)0.078 (3)0.012 (2)0.051 (3)0.016 (2)
C250.127 (4)0.077 (3)0.113 (4)0.010 (2)0.020 (3)0.027 (2)
N10.0560 (14)0.0644 (15)0.0391 (14)0.0047 (11)0.0115 (12)0.0036 (11)
N20.0747 (17)0.0699 (16)0.0527 (16)0.0169 (13)0.0218 (14)0.0058 (13)
N30.0719 (17)0.0690 (16)0.0500 (16)0.0115 (13)0.0211 (14)0.0087 (13)
N50.0644 (15)0.0574 (14)0.0446 (14)0.0087 (11)0.0173 (13)0.0073 (11)
O10.0911 (15)0.0616 (13)0.0569 (14)0.0122 (11)0.0263 (12)0.0016 (10)
O20.0708 (13)0.0723 (13)0.0464 (12)0.0054 (10)0.0191 (11)0.0015 (10)
O30.0939 (16)0.0550 (13)0.0565 (14)0.0055 (11)0.0290 (12)0.0054 (10)
S10.0691 (5)0.0553 (4)0.0451 (5)0.0026 (3)0.0158 (4)0.0004 (3)
Geometric parameters (Å, º) top
C1—C21.521 (5)C14—H14B0.9600
C1—H1A0.9600C14—H14C0.9600
C1—H1B0.9600C15—C161.391 (4)
C1—H1C0.9600C15—C231.465 (4)
C2—C71.379 (5)C16—N51.373 (3)
C2—C31.381 (5)C16—S11.711 (3)
C3—C41.372 (4)C17—C181.374 (4)
C3—H30.9300C17—C221.379 (4)
C4—C51.373 (4)C17—N51.405 (3)
C4—H40.9300C18—C191.383 (5)
C5—C61.371 (4)C18—H180.9300
C5—N11.442 (3)C19—C201.380 (5)
C6—C71.394 (5)C19—H190.9300
C6—H60.9300C20—C211.355 (5)
C7—H70.9300C20—H200.9300
C8—C91.489 (4)C21—C221.368 (4)
C8—H8A0.9600C21—H210.9300
C8—H8B0.9600C22—H220.9300
C8—H8C0.9600C23—O21.215 (3)
C9—N11.341 (3)C23—O31.327 (3)
C9—C101.375 (3)C24—C251.445 (5)
C10—N31.363 (3)C24—O31.457 (3)
C10—C111.479 (4)C24—H24A0.9700
C11—O11.232 (3)C24—H24B0.9700
C11—C121.468 (4)C25—H25A0.9600
C12—C131.381 (4)C25—H25B0.9600
C12—S11.740 (3)C25—H25C0.9600
C13—C151.434 (3)N1—N21.373 (3)
C13—C141.498 (4)N2—N31.300 (3)
C14—H14A0.9600N5—H50.8600
C2—C1—H1A109.5H14B—C14—H14C109.5
C2—C1—H1B109.5C16—C15—C13112.1 (2)
H1A—C1—H1B109.5C16—C15—C23120.0 (2)
C2—C1—H1C109.5C13—C15—C23127.9 (2)
H1A—C1—H1C109.5N5—C16—C15125.5 (2)
H1B—C1—H1C109.5N5—C16—S1122.0 (2)
C7—C2—C3117.9 (3)C15—C16—S1112.37 (19)
C7—C2—C1120.9 (4)C18—C17—C22119.0 (3)
C3—C2—C1121.2 (4)C18—C17—N5118.8 (3)
C4—C3—C2121.2 (4)C22—C17—N5122.1 (3)
C4—C3—H3119.4C17—C18—C19119.7 (3)
C2—C3—H3119.4C17—C18—H18120.1
C3—C4—C5119.7 (3)C19—C18—H18120.1
C3—C4—H4120.1C20—C19—C18120.4 (3)
C5—C4—H4120.1C20—C19—H19119.8
C6—C5—C4121.2 (3)C18—C19—H19119.8
C6—C5—N1119.9 (3)C21—C20—C19119.4 (4)
C4—C5—N1118.9 (3)C21—C20—H20120.3
C5—C6—C7118.1 (3)C19—C20—H20120.3
C5—C6—H6121.0C20—C21—C22120.6 (3)
C7—C6—H6121.0C20—C21—H21119.7
C2—C7—C6121.9 (3)C22—C21—H21119.7
C2—C7—H7119.1C21—C22—C17120.8 (3)
C6—C7—H7119.1C21—C22—H22119.6
C9—C8—H8A109.5C17—C22—H22119.6
C9—C8—H8B109.5O2—C23—O3122.1 (2)
H8A—C8—H8B109.5O2—C23—C15123.5 (3)
C9—C8—H8C109.5O3—C23—C15114.4 (2)
H8A—C8—H8C109.5C25—C24—O3108.9 (3)
H8B—C8—H8C109.5C25—C24—H24A109.9
N1—C9—C10104.3 (2)O3—C24—H24A109.9
N1—C9—C8123.1 (2)C25—C24—H24B109.9
C10—C9—C8132.5 (3)O3—C24—H24B109.9
N3—C10—C9108.3 (2)H24A—C24—H24B108.3
N3—C10—C11123.5 (2)C24—C25—H25A109.5
C9—C10—C11128.1 (2)C24—C25—H25B109.5
O1—C11—C12121.9 (3)H25A—C25—H25B109.5
O1—C11—C10118.6 (2)C24—C25—H25C109.5
C12—C11—C10119.4 (2)H25A—C25—H25C109.5
C13—C12—C11127.2 (2)H25B—C25—H25C109.5
C13—C12—S1112.07 (19)C9—N1—N2111.4 (2)
C11—C12—S1120.7 (2)C9—N1—C5129.3 (2)
C12—C13—C15111.8 (2)N2—N1—C5119.3 (2)
C12—C13—C14123.4 (2)N3—N2—N1106.0 (2)
C15—C13—C14124.8 (2)N2—N3—C10110.0 (2)
C13—C14—H14A109.5C16—N5—C17127.6 (2)
C13—C14—H14B109.5C16—N5—H5116.2
H14A—C14—H14B109.5C17—N5—H5116.2
C13—C14—H14C109.5C23—O3—C24116.0 (2)
H14A—C14—H14C109.5C16—S1—C1291.50 (12)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N5—H5···O20.862.082.704 (3)129
 

Footnotes

Additional coressponding author, e-mail: kariukib@cardiff.ac.uk.

Funding information

MHA thanks King Abdulaziz City for Science and Technology (KACST), Saudi Arabia for financial support (grant No. 20-0180).

References

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