Literature DB >> 21837153

7-Fluoro-2-(prop-2-en-1-ylsulfan-yl)-3-(1H-1,2,4-triazol-1-yl)-4H-thio-chromen-4-one.

Dong-Liang Liu1, Tao Xiao, Yang Li, Guang-Yan Yu, Chen Li.   

Abstract

The asymmetric unit of the title compound, C(14)H(10)FN(3)OS(2), contains two independent mol-ecules which differ in the relative orientations of the triazole and allyl-sulfanyl groups with respect to the planar thio-chromen-4-one frameworks. The N-N-C-C torsion angles are 128.2 (5) and -120.9 (5)°, while the C-S-C-S torsion angles are -17.4 (4) and 16.4 (4)°. In the crystal, inter-molecular C-H⋯O and C-H⋯N hydrogen bonds link the mol-ecules in a stacked arrangement along the a axis.

Entities:  

Year:  2011        PMID: 21837153      PMCID: PMC3151981          DOI: 10.1107/S1600536811022665

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For related compounds containing a 4H-thio­chromen-4-one fragment, see: Adams et al. (1991 ▶); Nakazumi et al. (1992 ▶); Weiss et al. (2008 ▶); Li et al. (2010a ▶,b ▶); Xiao et al. (2010 ▶). For bond-length data, see: Allen et al. (1987 ▶).

Experimental

Crystal data

C14H10FN3OS2 M = 319.39 Triclinic, a = 8.1730 (16) Å b = 11.646 (2) Å c = 15.124 (3) Å α = 82.43 (3)° β = 83.98 (3)° γ = 80.14 (3)° V = 1400.9 (5) Å3 Z = 4 Mo Kα radiation μ = 0.39 mm−1 T = 293 K 0.20 × 0.10 × 0.10 mm

Data collection

Enraf–Nonius CAD-4 diffractometer Absorption correction: ψ scan (North et al., 1968 ▶) T min = 0.926, T max = 0.962 5541 measured reflections 5149 independent reflections 3087 reflections with I > 2σ(I) R int = 0.037 3 standard reflections every 200 reflections intensity decay: 1%

Refinement

R[F 2 > 2σ(F 2)] = 0.069 wR(F 2) = 0.176 S = 1.01 5149 reflections 379 parameters 1 restraint H-atom parameters constrained Δρmax = 0.52 e Å−3 Δρmin = −0.40 e Å−3 Data collection: CAD-4 Software (Enraf–Nonius, 1985) ▶; cell refinement: CAD-4 Software ▶; data reduction: XCAD4 (Harms & Wocadlo, 1995 ▶); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: PLATON (Spek, 2009 ▶); software used to prepare material for publication: SHELXTL (Sheldrick, 2008 ▶). Crystal structure: contains datablock(s) I, global. DOI: 10.1107/S1600536811022665/zq2103sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536811022665/zq2103Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536811022665/zq2103Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C14H10FN3OS2Z = 4
Mr = 319.39F(000) = 656
Triclinic, P1Dx = 1.514 Mg m3
Hall symbol: -P 1Melting point: 385 K
a = 8.1730 (16) ÅMo Kα radiation, λ = 0.71073 Å
b = 11.646 (2) ÅCell parameters from 25 reflections
c = 15.124 (3) Åθ = 9–12°
α = 82.43 (3)°µ = 0.39 mm1
β = 83.98 (3)°T = 293 K
γ = 80.14 (3)°Block, yellow
V = 1400.9 (5) Å30.20 × 0.10 × 0.10 mm
Enraf–Nonius CAD-4 diffractometer3087 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.037
graphiteθmax = 25.5°, θmin = 1.4°
ω/2θ scansh = 0→9
Absorption correction: ψ scan (North et al., 1968)k = −13→14
Tmin = 0.926, Tmax = 0.962l = −18→18
5541 measured reflections3 standard reflections every 200 reflections
5149 independent reflections intensity decay: 1%
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.069Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.176H-atom parameters constrained
S = 1.01w = 1/[σ2(Fo2) + (0.080P)2 + 1.P] where P = (Fo2 + 2Fc2)/3
5149 reflections(Δ/σ)max = 0.001
379 parametersΔρmax = 0.52 e Å3
1 restraintΔρmin = −0.40 e Å3
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.
xyzUiso*/Ueq
S10.44048 (18)0.30108 (12)0.42901 (7)0.0563 (4)
O10.3291 (5)0.4374 (3)0.69021 (19)0.0718 (11)
F10.0540 (4)0.6601 (3)0.3288 (2)0.0787 (10)
N10.5146 (5)0.2210 (3)0.6888 (2)0.0472 (10)
C10.2380 (6)0.4976 (4)0.3820 (3)0.0511 (12)
H1A0.25970.47480.32470.061*
S20.64594 (19)0.10674 (12)0.52776 (8)0.0604 (4)
N20.6087 (6)0.1689 (4)0.8194 (3)0.0640 (12)
C20.1322 (7)0.5970 (5)0.3969 (3)0.0538 (13)
C30.1006 (6)0.6363 (4)0.4802 (3)0.0552 (13)
H3A0.02850.70570.48860.066*
N30.4931 (6)0.1073 (4)0.7111 (2)0.0610 (12)
C40.1774 (6)0.5709 (4)0.5491 (3)0.0526 (13)
H4A0.15790.59670.60540.063*
C50.2847 (6)0.4662 (4)0.5386 (3)0.0414 (11)
C60.3135 (6)0.4303 (4)0.4532 (3)0.0419 (11)
C70.3553 (6)0.3979 (4)0.6171 (3)0.0495 (12)
C80.4592 (6)0.2856 (4)0.6084 (3)0.0428 (11)
C90.5093 (6)0.2390 (4)0.5298 (3)0.0457 (11)
C100.5830 (7)0.2549 (5)0.7553 (3)0.0563 (14)
H10A0.60880.32950.75590.068*
C110.5504 (8)0.0820 (5)0.7890 (3)0.0659 (16)
H11A0.55100.00850.82180.079*
C120.7155 (8)0.1027 (5)0.4101 (3)0.0734 (18)
H12A0.63570.07270.37990.088*
H12B0.72670.18100.38170.088*
C130.8773 (11)0.0255 (7)0.4051 (4)0.108 (3)
H13A0.96470.05190.42690.129*
C140.9121 (11)−0.0722 (6)0.3748 (4)0.112 (3)
H14A0.8299−0.10310.35200.134*
H14B1.0201−0.11340.37510.134*
S30.24689 (18)0.41381 (11)0.89646 (7)0.0544 (4)
S40.1326 (2)0.20977 (13)1.00091 (8)0.0656 (4)
F20.4001 (4)0.8034 (3)0.78292 (18)0.0770 (10)
N40.1606 (5)0.3240 (3)1.1599 (2)0.0478 (10)
N50.0575 (6)0.2723 (4)1.2953 (3)0.0605 (12)
N60.2392 (6)0.2129 (4)1.1815 (3)0.0635 (13)
O20.2657 (5)0.5303 (3)1.15925 (19)0.0618 (10)
C150.3312 (6)0.6232 (4)0.8431 (3)0.0516 (13)
H15A0.32940.60270.78590.062*
C160.3687 (7)0.7272 (5)0.8545 (3)0.0553 (13)
C170.3756 (7)0.7615 (5)0.9382 (3)0.0568 (13)
H17A0.40380.83390.94440.068*
C180.3395 (6)0.6851 (4)1.0112 (3)0.0518 (13)
H18A0.34400.70631.06800.062*
C190.2964 (6)0.5765 (4)1.0038 (3)0.0417 (11)
C200.2946 (6)0.5460 (4)0.9182 (3)0.0431 (11)
C210.2567 (6)0.4993 (4)1.0857 (3)0.0428 (11)
C220.2014 (6)0.3908 (4)1.0784 (3)0.0416 (11)
C230.1920 (6)0.3458 (4)1.0007 (3)0.0463 (12)
C240.0550 (6)0.3569 (5)1.2292 (3)0.0528 (13)
H24A−0.01140.43011.23010.063*
C250.1744 (8)0.1885 (5)1.2630 (3)0.0685 (16)
H25A0.20720.11711.29690.082*
C260.0874 (8)0.2065 (5)0.8870 (3)0.0665 (16)
H26A0.00700.27450.86820.080*
H26B0.18820.20710.84700.080*
C270.0185 (10)0.0971 (6)0.8850 (4)0.094 (2)
H27A−0.08600.09310.91500.113*
C280.0857 (11)0.0102 (6)0.8476 (4)0.105 (3)
H28C0.19040.00970.81660.126*
H28A0.0315−0.05430.85040.126*
U11U22U33U12U13U23
S10.0737 (10)0.0671 (9)0.0274 (6)0.0032 (7)−0.0070 (5)−0.0204 (5)
O10.108 (3)0.080 (3)0.0250 (16)0.005 (2)−0.0030 (17)−0.0291 (16)
F10.091 (3)0.081 (2)0.0559 (18)0.0140 (19)−0.0192 (17)−0.0051 (16)
N10.067 (3)0.052 (2)0.0259 (18)−0.015 (2)−0.0017 (17)−0.0117 (16)
C10.056 (3)0.068 (3)0.033 (2)−0.012 (3)−0.004 (2)−0.014 (2)
S20.0812 (10)0.0641 (9)0.0325 (6)0.0045 (7)−0.0051 (6)−0.0139 (6)
N20.086 (4)0.068 (3)0.040 (2)−0.010 (3)−0.017 (2)−0.007 (2)
C20.060 (3)0.059 (3)0.042 (3)−0.009 (3)−0.007 (2)−0.003 (2)
C30.054 (3)0.055 (3)0.054 (3)−0.002 (3)0.001 (2)−0.013 (2)
N30.095 (4)0.059 (3)0.034 (2)−0.022 (2)−0.005 (2)−0.0076 (18)
C40.060 (3)0.063 (3)0.035 (2)−0.009 (3)0.005 (2)−0.015 (2)
C50.043 (3)0.054 (3)0.030 (2)−0.012 (2)0.0027 (19)−0.0129 (19)
C60.047 (3)0.054 (3)0.028 (2)−0.012 (2)−0.0005 (19)−0.0150 (19)
C70.056 (3)0.068 (3)0.029 (2)−0.017 (3)0.003 (2)−0.018 (2)
C80.055 (3)0.052 (3)0.025 (2)−0.017 (2)−0.0035 (19)−0.0091 (19)
C90.051 (3)0.058 (3)0.033 (2)−0.016 (2)−0.002 (2)−0.014 (2)
C100.079 (4)0.056 (3)0.038 (3)−0.011 (3)−0.014 (2)−0.016 (2)
C110.099 (5)0.066 (4)0.034 (3)−0.019 (3)−0.003 (3)−0.006 (2)
C120.089 (4)0.084 (4)0.034 (3)0.028 (3)−0.001 (3)−0.018 (3)
C130.143 (7)0.116 (6)0.047 (4)0.031 (5)−0.007 (4)−0.013 (4)
C140.152 (8)0.096 (6)0.077 (5)0.025 (5)−0.022 (5)−0.018 (4)
S30.0840 (10)0.0579 (8)0.0237 (5)−0.0125 (7)−0.0015 (5)−0.0138 (5)
S40.0998 (12)0.0617 (9)0.0420 (7)−0.0247 (8)−0.0080 (7)−0.0136 (6)
F20.113 (3)0.081 (2)0.0412 (16)−0.039 (2)−0.0052 (16)0.0077 (15)
N40.062 (3)0.057 (3)0.0225 (18)−0.005 (2)−0.0003 (17)−0.0076 (16)
N50.076 (3)0.064 (3)0.039 (2)−0.014 (2)0.013 (2)−0.008 (2)
N60.089 (4)0.056 (3)0.036 (2)0.001 (2)0.010 (2)−0.0021 (18)
O20.098 (3)0.071 (2)0.0242 (16)−0.025 (2)−0.0040 (16)−0.0166 (15)
C150.065 (3)0.061 (3)0.031 (2)−0.013 (3)−0.006 (2)−0.006 (2)
C160.064 (4)0.065 (3)0.036 (3)−0.016 (3)0.000 (2)0.001 (2)
C170.075 (4)0.059 (3)0.041 (3)−0.020 (3)−0.005 (2)−0.008 (2)
C180.065 (3)0.060 (3)0.033 (2)−0.011 (3)−0.008 (2)−0.011 (2)
C190.045 (3)0.051 (3)0.028 (2)0.000 (2)−0.0042 (18)−0.0087 (19)
C200.044 (3)0.052 (3)0.033 (2)−0.004 (2)−0.0044 (19)−0.0087 (19)
C210.047 (3)0.056 (3)0.025 (2)−0.004 (2)−0.0011 (18)−0.0099 (19)
C220.046 (3)0.049 (3)0.029 (2)−0.005 (2)−0.0012 (19)−0.0078 (19)
C230.056 (3)0.052 (3)0.030 (2)−0.002 (2)−0.002 (2)−0.012 (2)
C240.062 (3)0.061 (3)0.037 (3)−0.013 (3)0.008 (2)−0.015 (2)
C250.098 (5)0.064 (4)0.036 (3)−0.004 (3)0.004 (3)0.002 (2)
C260.098 (5)0.057 (3)0.048 (3)−0.011 (3)−0.011 (3)−0.018 (2)
C270.131 (6)0.103 (6)0.060 (4)−0.042 (5)−0.009 (4)−0.028 (4)
C280.166 (8)0.092 (5)0.066 (4)−0.037 (5)0.001 (4)−0.032 (4)
S1—C91.706 (5)S3—C231.720 (4)
S1—C61.734 (5)S3—C201.731 (5)
O1—C71.237 (5)S4—C231.734 (5)
F1—C21.337 (5)S4—C261.806 (5)
N1—C101.334 (5)F2—C161.339 (5)
N1—N31.359 (5)N4—C241.339 (5)
N1—C81.416 (5)N4—N61.357 (5)
C1—C21.350 (7)N4—C221.409 (5)
C1—C61.380 (6)N5—C241.307 (6)
C1—H1A0.9300N5—C251.347 (6)
S2—C91.743 (5)N6—C251.305 (6)
S2—C121.814 (5)O2—C211.227 (5)
N2—C101.305 (6)C15—C161.335 (7)
N2—C111.340 (7)C15—C201.393 (6)
C2—C31.381 (6)C15—H15A0.9300
C3—C41.350 (7)C16—C171.387 (6)
C3—H3A0.9300C17—C181.364 (6)
N3—C111.293 (6)C17—H17A0.9300
C4—C51.392 (6)C18—C191.391 (6)
C4—H4A0.9300C18—H18A0.9300
C5—C61.393 (5)C19—C201.389 (6)
C5—C71.454 (6)C19—C211.473 (6)
C7—C81.446 (7)C21—C221.435 (6)
C8—C91.367 (6)C22—C231.362 (6)
C10—H10A0.9300C24—H24A0.9300
C11—H11A0.9300C25—H25A0.9300
C12—C131.467 (9)C26—C271.484 (8)
C12—H12A0.9700C26—H26A0.9700
C12—H12B0.9700C26—H26B0.9700
C13—C141.259 (7)C27—C281.241 (9)
C13—H13A0.9300C27—H27A0.9300
C14—H14A0.9300C28—H28C0.9300
C14—H14B0.9300C28—H28A0.9300
C9—S1—C6104.0 (2)C23—S3—C20103.9 (2)
C10—N1—N3108.5 (4)C23—S4—C26104.5 (2)
C10—N1—C8130.2 (4)C24—N4—N6109.1 (4)
N3—N1—C8121.2 (4)C24—N4—C22128.8 (4)
C2—C1—C6118.9 (4)N6—N4—C22121.9 (4)
C2—C1—H1A120.5C24—N5—C25101.9 (4)
C6—C1—H1A120.5C25—N6—N4101.7 (4)
C9—S2—C12103.8 (2)C16—C15—C20119.0 (4)
C10—N2—C11102.7 (4)C16—C15—H15A120.5
F1—C2—C1119.2 (4)C20—C15—H15A120.5
F1—C2—C3118.3 (5)C15—C16—F2119.7 (4)
C1—C2—C3122.5 (5)C15—C16—C17122.9 (5)
C4—C3—C2118.0 (5)F2—C16—C17117.5 (5)
C4—C3—H3A121.0C18—C17—C16117.5 (5)
C2—C3—H3A121.0C18—C17—H17A121.2
C11—N3—N1102.7 (4)C16—C17—H17A121.2
C3—C4—C5122.2 (4)C17—C18—C19122.4 (4)
C3—C4—H4A118.9C17—C18—H18A118.8
C5—C4—H4A118.9C19—C18—H18A118.8
C4—C5—C6117.8 (4)C20—C19—C18117.6 (4)
C4—C5—C7118.7 (4)C20—C19—C21123.2 (4)
C6—C5—C7123.5 (4)C18—C19—C21119.3 (4)
C1—C6—C5120.5 (4)C19—C20—C15120.7 (4)
C1—C6—S1115.9 (3)C19—C20—S3123.8 (4)
C5—C6—S1123.6 (4)C15—C20—S3115.5 (3)
O1—C7—C8120.6 (4)O2—C21—C22120.8 (4)
O1—C7—C5119.9 (5)O2—C21—C19119.8 (4)
C8—C7—C5119.5 (4)C22—C21—C19119.4 (4)
C9—C8—N1118.4 (4)C23—C22—N4118.3 (4)
C9—C8—C7125.4 (4)C23—C22—C21125.8 (4)
N1—C8—C7116.2 (4)N4—C22—C21115.8 (4)
C8—C9—S1123.7 (4)C22—C23—S3123.6 (4)
C8—C9—S2120.8 (4)C22—C23—S4121.4 (4)
S1—C9—S2115.5 (2)S3—C23—S4114.9 (2)
N2—C10—N1110.6 (5)N5—C24—N4111.0 (5)
N2—C10—H10A124.7N5—C24—H24A124.5
N1—C10—H10A124.7N4—C24—H24A124.5
N3—C11—N2115.5 (5)N6—C25—N5116.2 (5)
N3—C11—H11A122.3N6—C25—H25A121.9
N2—C11—H11A122.3N5—C25—H25A121.9
C13—C12—S2107.3 (4)C27—C26—S4107.0 (4)
C13—C12—H12A110.3C27—C26—H26A110.3
S2—C12—H12A110.3S4—C26—H26A110.3
C13—C12—H12B110.3C27—C26—H26B110.3
S2—C12—H12B110.3S4—C26—H26B110.3
H12A—C12—H12B108.5H26A—C26—H26B108.6
C14—C13—C12127.8 (9)C28—C27—C26126.9 (8)
C14—C13—H13A116.1C28—C27—H27A116.6
C12—C13—H13A116.1C26—C27—H27A116.6
C13—C14—H14A120.0C27—C28—H28C120.0
C13—C14—H14B120.0C27—C28—H28A120.0
H14A—C14—H14B120.0H28C—C28—H28A120.0
C6—C1—C2—F1−177.5 (4)C24—N4—N6—C25−0.5 (6)
C6—C1—C2—C32.2 (8)C22—N4—N6—C25175.2 (5)
F1—C2—C3—C4178.7 (5)C20—C15—C16—F2−178.4 (4)
C1—C2—C3—C4−1.0 (8)C20—C15—C16—C171.0 (8)
C10—N1—N3—C11−0.1 (6)C15—C16—C17—C18−1.0 (8)
C8—N1—N3—C11−176.8 (5)F2—C16—C17—C18178.4 (5)
C2—C3—C4—C5−0.5 (8)C16—C17—C18—C19−0.3 (8)
C3—C4—C5—C60.9 (7)C17—C18—C19—C201.5 (7)
C3—C4—C5—C7−176.7 (5)C17—C18—C19—C21−179.1 (5)
C2—C1—C6—C5−1.9 (7)C18—C19—C20—C15−1.5 (7)
C2—C1—C6—S1177.3 (4)C21—C19—C20—C15179.1 (4)
C4—C5—C6—C10.4 (7)C18—C19—C20—S3179.1 (4)
C7—C5—C6—C1177.8 (4)C21—C19—C20—S3−0.3 (7)
C4—C5—C6—S1−178.8 (4)C16—C15—C20—C190.3 (7)
C7—C5—C6—S1−1.3 (7)C16—C15—C20—S3179.8 (4)
C9—S1—C6—C1−178.8 (4)C23—S3—C20—C194.4 (5)
C9—S1—C6—C50.4 (5)C23—S3—C20—C15−175.1 (4)
C4—C5—C7—O1−5.2 (7)C20—C19—C21—O2177.7 (4)
C6—C5—C7—O1177.4 (5)C18—C19—C21—O2−1.7 (7)
C4—C5—C7—C8176.4 (4)C20—C19—C21—C22−4.7 (7)
C6—C5—C7—C8−1.0 (7)C18—C19—C21—C22175.9 (4)
C10—N1—C8—C9131.2 (5)C24—N4—C22—C23−128.9 (5)
N3—N1—C8—C9−52.9 (6)N6—N4—C22—C2356.5 (6)
C10—N1—C8—C7−47.7 (7)C24—N4—C22—C2153.8 (7)
N3—N1—C8—C7128.2 (5)N6—N4—C22—C21−120.9 (5)
O1—C7—C8—C9−173.4 (5)O2—C21—C22—C23−177.6 (5)
C5—C7—C8—C95.1 (7)C19—C21—C22—C234.9 (7)
O1—C7—C8—N15.5 (7)O2—C21—C22—N4−0.5 (7)
C5—C7—C8—N1−176.1 (4)C19—C21—C22—N4−178.0 (4)
N1—C8—C9—S1174.9 (3)N4—C22—C23—S3−176.9 (3)
C7—C8—C9—S1−6.3 (7)C21—C22—C23—S30.1 (7)
N1—C8—C9—S2−3.1 (6)N4—C22—C23—S4−0.3 (6)
C7—C8—C9—S2175.8 (4)C21—C22—C23—S4176.8 (4)
C6—S1—C9—C83.3 (5)C20—S3—C23—C22−4.3 (5)
C6—S1—C9—S2−178.7 (3)C20—S3—C23—S4178.8 (3)
C12—S2—C9—C8−165.5 (4)C26—S4—C23—C22165.7 (4)
C12—S2—C9—S116.4 (4)C26—S4—C23—S3−17.4 (4)
C11—N2—C10—N1−0.9 (6)C25—N5—C24—N42.0 (6)
N3—N1—C10—N20.6 (6)N6—N4—C24—N5−1.1 (6)
C8—N1—C10—N2176.9 (5)C22—N4—C24—N5−176.3 (4)
N1—N3—C11—N2−0.5 (7)N4—N6—C25—N51.9 (7)
C10—N2—C11—N30.9 (7)C24—N5—C25—N6−2.5 (7)
C9—S2—C12—C13156.2 (5)C23—S4—C26—C27−174.1 (5)
S2—C12—C13—C14113.6 (7)S4—C26—C27—C28−111.7 (7)
D—H···AD—HH···AD···AD—H···A
C1—H1A···O2i0.932.503.328 (5)149
C4—H4A···N5ii0.932.613.397 (7)143
C15—H15A···O10.932.563.372 (6)147
C18—H18A···N2iii0.932.483.355 (7)157
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
C1—H1A⋯O2i0.932.503.328 (5)149
C4—H4A⋯N5ii0.932.613.397 (7)143
C15—H15A⋯O10.932.563.372 (6)147
C18—H18A⋯N2iii0.932.483.355 (7)157

Symmetry codes: (i) ; (ii) ; (iii) .

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1.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

2.  Nucleophilic beta-oniovinylation: concept, mechanism, scope, and applications.

Authors:  Robert Weiss; Matthias Bess; Stefan M Huber; Frank W Heinemann
Journal:  J Am Chem Soc       Date:  2008-03-15       Impact factor: 15.419

3.  Methyl 7-chloro-2-ethyl-sulfanyl-6-fluoro-4-oxo-4H-thio-chromene-3-carboxyl-ate.

Authors:  Yang Li; Tao Xiao; Dong-Liang Liu; Guang-Yan Yu
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-02-27

4.  2-Ethyl-sulfanyl-7-fluoro-3-(1H-1,2,4-triazol-1-yl)-4H-thio-chromen-4-one.

Authors:  Tao Xiao; Yang Li; Dong-Liang Liu; Guang-Yan Yu
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-08-04

5.  Ethyl 2-{[7-fluoro-4-oxo-3-(1H-1,2,4-triazol-1-yl)-4H-thio-chromen-2-yl]sulfan-yl}acetate.

Authors:  Yang Li; Tao Xiao; Guang-Yan Yu; Dong-Liang Liu
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-07-21

6.  Structure validation in chemical crystallography.

Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
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1.  7-Diethyl-amino-2-propyl-sulfan-yl-3-(1H-1,2,4-triazol-1-yl)-4H-thio-chromen-4-one.

Authors:  Chen Li; Guang Yan Yu; Xin Tian; Song Li; Tao Xiao
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-04-18
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