organic compounds
(Z)-N-{3-[(6-Chloropyridin-3-yl)methyl]-1,3-thiazolidin-2-ylidene}cyanamide
aCollege of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, People's Republic of China, and bEngineering Research Center of Pesticide of Heilongjiang Province, Heilongjiang University, Harbin 150080, People's Republic of China
*Correspondence e-mail: hgf1000@163.com
The 10H9ClN4S, common name thiacloprid, comprises two molecules. In both molecules, the thiazolidine rings are almost planar (with r.m.s. deviations of 0.016 and 0.065 Å) and form dihedral angles of 73.36 (6) and 70.25 (8)° with the 2-chloropyridine rings. In the crystal, intermolecular C—H⋯N hydrogen bonds links the molecules into chains propagating in [01].
of the title compound, CRelated literature
For background to the title compound, a member of the neonicotinoide class of insecticides, see Maienfisch et al. (2003). For the synthesis, see Ishimitsu et al., (1991)
Experimental
Crystal data
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Refinement
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Data collection: RAPID-AUTO (Rigaku, 1998); cell RAPID-AUTO; data reduction: CrystalClear (Rigaku/MSC, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97.
Supporting information
10.1107/S1600536811013316/kp2319sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811013316/kp2319Isup2.hkl
The title compound was synthesised according the reference (Ishimitsu et al., 1991). A mixture of 2-cyanoiminothiazolidine (12.7 g, 0.1 mol), 2-chloro-5-pyridylmethyl-chloride (17.4 g, 0.1 mol), and K2CO3 (41.4 g, 0.3 mol) in 150 mL of DMF was heated to 323 K and kept stirring for 7 h. After filtered under reduced pressure, the DMF solution was distilled off. A total of 20.2 g (80.2%) title compound was obtained after the recrystallisation from ethyl acetate (15 mL). The suitable colourless block crystal was picked out for the single crystal X-ray diffaction measurement.
H atoms bound to C atoms were placed in calculated positions and treated as riding on their parent atoms, with C—H = 0.93 Å (aromatic); C—H = 0.97 Å (methylene), and with Uiso(H) = 1.2Ueq(C).
Data collection: RAPID-AUTO (Rigaku, 1998); cell
RAPID-AUTO (Rigaku, 1998); data reduction: CrystalClear (Rigaku/MSC, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).C10H9ClN4S | F(000) = 1040 |
Mr = 252.73 | Dx = 1.486 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 12991 reflections |
a = 7.1294 (14) Å | θ = 3.1–27.5° |
b = 35.469 (7) Å | µ = 0.50 mm−1 |
c = 9.0211 (18) Å | T = 293 K |
β = 97.80 (3)° | Block, colourless |
V = 2260.1 (8) Å3 | 0.31 × 0.29 × 0.20 mm |
Z = 8 |
Rigaku R-AXIS RAPID diffractometer | 5151 independent reflections |
Radiation source: fine-focus sealed tube | 3505 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.046 |
ω scans | θmax = 27.5°, θmin = 3.1° |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | h = −8→9 |
Tmin = 0.863, Tmax = 0.909 | k = −45→45 |
21869 measured reflections | l = −11→11 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.048 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.137 | H-atom parameters constrained |
S = 1.08 | w = 1/[σ2(Fo2) + (0.0595P)2 + 0.4995P] where P = (Fo2 + 2Fc2)/3 |
5151 reflections | (Δ/σ)max < 0.001 |
289 parameters | Δρmax = 0.21 e Å−3 |
0 restraints | Δρmin = −0.29 e Å−3 |
C10H9ClN4S | V = 2260.1 (8) Å3 |
Mr = 252.73 | Z = 8 |
Monoclinic, P21/c | Mo Kα radiation |
a = 7.1294 (14) Å | µ = 0.50 mm−1 |
b = 35.469 (7) Å | T = 293 K |
c = 9.0211 (18) Å | 0.31 × 0.29 × 0.20 mm |
β = 97.80 (3)° |
Rigaku R-AXIS RAPID diffractometer | 5151 independent reflections |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | 3505 reflections with I > 2σ(I) |
Tmin = 0.863, Tmax = 0.909 | Rint = 0.046 |
21869 measured reflections |
R[F2 > 2σ(F2)] = 0.048 | 0 restraints |
wR(F2) = 0.137 | H-atom parameters constrained |
S = 1.08 | Δρmax = 0.21 e Å−3 |
5151 reflections | Δρmin = −0.29 e Å−3 |
289 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
C1 | 0.8652 (3) | 0.04805 (6) | 0.2994 (3) | 0.0528 (6) | |
C2 | 0.7778 (4) | 0.05431 (7) | 0.4241 (3) | 0.0564 (6) | |
H2 | 0.8315 | 0.0461 | 0.5183 | 0.068* | |
C3 | 0.6087 (4) | 0.07309 (7) | 0.4038 (3) | 0.0541 (6) | |
H3 | 0.5443 | 0.0777 | 0.4850 | 0.065* | |
C4 | 0.5334 (3) | 0.08520 (5) | 0.2624 (3) | 0.0417 (5) | |
C5 | 0.6313 (4) | 0.07628 (6) | 0.1459 (3) | 0.0525 (6) | |
H5 | 0.5795 | 0.0835 | 0.0500 | 0.063* | |
C6 | 0.3545 (3) | 0.10860 (6) | 0.2362 (3) | 0.0486 (5) | |
H6A | 0.2856 | 0.1025 | 0.1390 | 0.058* | |
H6B | 0.2744 | 0.1024 | 0.3115 | 0.058* | |
C7 | 0.4452 (4) | 0.16785 (7) | 0.3852 (3) | 0.0586 (6) | |
H7A | 0.5677 | 0.1592 | 0.4331 | 0.070* | |
H7B | 0.3516 | 0.1622 | 0.4507 | 0.070* | |
C8 | 0.4506 (6) | 0.20899 (8) | 0.3572 (4) | 0.0831 (10) | |
H8A | 0.5573 | 0.2202 | 0.4200 | 0.100* | |
H8B | 0.3354 | 0.2207 | 0.3811 | 0.100* | |
C9 | 0.4189 (3) | 0.16902 (6) | 0.1222 (3) | 0.0422 (5) | |
C10 | 0.4177 (3) | 0.17589 (7) | −0.1287 (3) | 0.0545 (6) | |
C11 | 1.3337 (3) | 0.05498 (7) | 0.7709 (3) | 0.0558 (6) | |
C12 | 1.2138 (4) | 0.04665 (8) | 0.8736 (3) | 0.0618 (6) | |
H12 | 1.2387 | 0.0268 | 0.9406 | 0.074* | |
C13 | 1.0549 (4) | 0.06898 (8) | 0.8737 (3) | 0.0609 (7) | |
H13 | 0.9712 | 0.0646 | 0.9423 | 0.073* | |
C14 | 1.0214 (3) | 0.09783 (7) | 0.7712 (3) | 0.0523 (6) | |
C15 | 1.1509 (4) | 0.10300 (8) | 0.6735 (3) | 0.0665 (7) | |
H15 | 1.1280 | 0.1222 | 0.6033 | 0.080* | |
C16 | 0.8483 (3) | 0.12283 (9) | 0.7672 (4) | 0.0678 (8) | |
H16A | 0.7818 | 0.1234 | 0.6660 | 0.081* | |
H16B | 0.7636 | 0.1121 | 0.8315 | 0.081* | |
C17 | 0.8939 (5) | 0.19245 (10) | 0.7102 (4) | 0.0840 (10) | |
H17A | 0.7664 | 0.1963 | 0.6595 | 0.101* | |
H17B | 0.9753 | 0.1866 | 0.6353 | 0.101* | |
C18 | 0.9605 (6) | 0.22673 (9) | 0.7904 (4) | 0.0853 (10) | |
H18A | 0.8799 | 0.2478 | 0.7556 | 0.102* | |
H18B | 1.0887 | 0.2325 | 0.7728 | 0.102* | |
C19 | 0.9155 (3) | 0.17075 (7) | 0.9595 (3) | 0.0464 (5) | |
C20 | 0.9267 (3) | 0.15741 (8) | 1.2059 (3) | 0.0593 (6) | |
Cl1 | 1.08715 (10) | 0.02601 (2) | 0.31970 (11) | 0.0811 (3) | |
Cl2 | 1.53924 (11) | 0.02813 (2) | 0.76846 (10) | 0.0809 (2) | |
N1 | 0.7967 (3) | 0.05776 (6) | 0.1620 (3) | 0.0592 (5) | |
N2 | 0.3963 (2) | 0.14899 (5) | 0.2425 (2) | 0.0432 (4) | |
N3 | 0.4000 (3) | 0.15412 (5) | −0.0121 (2) | 0.0504 (5) | |
N4 | 0.4288 (4) | 0.19221 (7) | −0.2375 (3) | 0.0777 (7) | |
N5 | 1.3080 (3) | 0.08234 (7) | 0.6720 (3) | 0.0658 (6) | |
N6 | 0.8957 (3) | 0.16118 (6) | 0.8155 (2) | 0.0540 (5) | |
N7 | 0.9051 (3) | 0.14604 (6) | 1.0652 (2) | 0.0551 (5) | |
N8 | 0.9439 (4) | 0.16423 (9) | 1.3319 (3) | 0.0864 (8) | |
S1 | 0.47264 (10) | 0.216369 (16) | 0.16494 (8) | 0.05802 (19) | |
S2 | 0.95422 (12) | 0.21907 (2) | 0.98475 (9) | 0.0698 (2) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0496 (12) | 0.0361 (10) | 0.0750 (18) | 0.0031 (10) | 0.0159 (12) | 0.0066 (11) |
C2 | 0.0653 (14) | 0.0536 (13) | 0.0499 (15) | 0.0087 (12) | 0.0069 (12) | 0.0066 (11) |
C3 | 0.0656 (14) | 0.0505 (12) | 0.0483 (14) | 0.0063 (11) | 0.0159 (11) | 0.0021 (11) |
C4 | 0.0476 (11) | 0.0336 (9) | 0.0458 (13) | −0.0015 (9) | 0.0138 (9) | 0.0020 (8) |
C5 | 0.0664 (14) | 0.0486 (12) | 0.0450 (14) | 0.0081 (11) | 0.0160 (11) | 0.0053 (10) |
C6 | 0.0465 (11) | 0.0424 (11) | 0.0580 (15) | −0.0045 (9) | 0.0113 (10) | 0.0002 (10) |
C7 | 0.0753 (16) | 0.0539 (13) | 0.0462 (14) | −0.0019 (12) | 0.0061 (12) | −0.0049 (11) |
C8 | 0.133 (3) | 0.0574 (16) | 0.060 (2) | 0.0008 (18) | 0.0185 (19) | −0.0117 (14) |
C9 | 0.0367 (10) | 0.0416 (10) | 0.0476 (13) | 0.0033 (8) | 0.0029 (9) | 0.0007 (9) |
C10 | 0.0555 (13) | 0.0566 (13) | 0.0501 (15) | 0.0046 (11) | 0.0032 (11) | 0.0001 (12) |
C11 | 0.0568 (13) | 0.0556 (13) | 0.0579 (16) | −0.0027 (11) | 0.0177 (12) | −0.0152 (12) |
C12 | 0.0708 (16) | 0.0605 (15) | 0.0575 (17) | −0.0074 (13) | 0.0214 (13) | −0.0025 (12) |
C13 | 0.0601 (14) | 0.0736 (16) | 0.0541 (16) | −0.0178 (13) | 0.0257 (12) | −0.0177 (13) |
C14 | 0.0495 (12) | 0.0619 (14) | 0.0465 (14) | −0.0090 (11) | 0.0106 (10) | −0.0205 (11) |
C15 | 0.0728 (17) | 0.0727 (17) | 0.0591 (18) | 0.0088 (14) | 0.0279 (14) | 0.0006 (13) |
C16 | 0.0482 (13) | 0.0861 (19) | 0.0685 (19) | −0.0033 (13) | 0.0062 (12) | −0.0297 (15) |
C17 | 0.096 (2) | 0.112 (3) | 0.0459 (17) | 0.009 (2) | 0.0141 (15) | 0.0145 (17) |
C18 | 0.106 (2) | 0.0733 (19) | 0.080 (2) | 0.0222 (18) | 0.0239 (19) | 0.0220 (17) |
C19 | 0.0389 (10) | 0.0567 (13) | 0.0438 (13) | 0.0051 (10) | 0.0068 (9) | −0.0056 (10) |
C20 | 0.0484 (12) | 0.0786 (17) | 0.0525 (16) | 0.0114 (12) | 0.0125 (11) | 0.0098 (13) |
Cl1 | 0.0568 (4) | 0.0582 (4) | 0.1311 (8) | 0.0141 (3) | 0.0232 (4) | 0.0113 (4) |
Cl2 | 0.0785 (5) | 0.0756 (5) | 0.0938 (6) | 0.0180 (4) | 0.0307 (4) | −0.0044 (4) |
N1 | 0.0684 (13) | 0.0531 (11) | 0.0623 (15) | 0.0100 (10) | 0.0310 (11) | 0.0084 (10) |
N2 | 0.0454 (9) | 0.0407 (9) | 0.0437 (11) | 0.0020 (8) | 0.0068 (8) | −0.0008 (8) |
N3 | 0.0559 (11) | 0.0496 (10) | 0.0450 (12) | 0.0029 (9) | 0.0045 (9) | −0.0002 (9) |
N4 | 0.0968 (18) | 0.0831 (17) | 0.0537 (15) | 0.0063 (14) | 0.0119 (13) | 0.0126 (13) |
N5 | 0.0701 (14) | 0.0680 (13) | 0.0662 (15) | 0.0064 (11) | 0.0349 (12) | −0.0018 (11) |
N6 | 0.0504 (10) | 0.0702 (13) | 0.0413 (11) | 0.0095 (10) | 0.0058 (8) | −0.0082 (9) |
N7 | 0.0581 (11) | 0.0601 (12) | 0.0485 (13) | 0.0040 (10) | 0.0129 (9) | 0.0025 (9) |
N8 | 0.0813 (17) | 0.133 (2) | 0.0470 (15) | 0.0174 (16) | 0.0147 (12) | 0.0044 (15) |
S1 | 0.0681 (4) | 0.0420 (3) | 0.0615 (4) | −0.0052 (3) | −0.0003 (3) | 0.0019 (3) |
S2 | 0.0892 (5) | 0.0566 (4) | 0.0649 (5) | 0.0004 (3) | 0.0145 (4) | −0.0053 (3) |
C1—N1 | 1.314 (3) | C11—N5 | 1.314 (4) |
C1—C2 | 1.376 (4) | C11—C12 | 1.375 (4) |
C1—Cl1 | 1.752 (2) | C11—Cl2 | 1.750 (3) |
C2—C3 | 1.368 (3) | C12—C13 | 1.383 (4) |
C2—H2 | 0.9300 | C12—H12 | 0.9300 |
C3—C4 | 1.383 (3) | C13—C14 | 1.378 (4) |
C3—H3 | 0.9300 | C13—H13 | 0.9300 |
C4—C5 | 1.375 (3) | C14—C15 | 1.373 (4) |
C4—C6 | 1.513 (3) | C14—C16 | 1.516 (4) |
C5—N1 | 1.340 (3) | C15—N5 | 1.340 (4) |
C5—H5 | 0.9300 | C15—H15 | 0.9300 |
C6—N2 | 1.463 (3) | C16—N6 | 1.454 (3) |
C6—H6A | 0.9700 | C16—H16A | 0.9700 |
C6—H6B | 0.9700 | C16—H16B | 0.9700 |
C7—N2 | 1.451 (3) | C17—N6 | 1.459 (4) |
C7—C8 | 1.482 (4) | C17—C18 | 1.461 (5) |
C7—H7A | 0.9700 | C17—H17A | 0.9700 |
C7—H7B | 0.9700 | C17—H17B | 0.9700 |
C8—S1 | 1.782 (3) | C18—S2 | 1.781 (4) |
C8—H8A | 0.9700 | C18—H18A | 0.9700 |
C8—H8B | 0.9700 | C18—H18B | 0.9700 |
C9—N3 | 1.312 (3) | C19—N7 | 1.305 (3) |
C9—N2 | 1.325 (3) | C19—N6 | 1.331 (3) |
C9—S1 | 1.754 (2) | C19—S2 | 1.746 (2) |
C10—N4 | 1.152 (3) | C20—N8 | 1.152 (4) |
C10—N3 | 1.324 (3) | C20—N7 | 1.321 (3) |
N1—C1—C2 | 125.2 (2) | C14—C13—C12 | 119.5 (2) |
N1—C1—Cl1 | 115.5 (2) | C14—C13—H13 | 120.2 |
C2—C1—Cl1 | 119.3 (2) | C12—C13—H13 | 120.2 |
C3—C2—C1 | 117.2 (2) | C15—C14—C13 | 117.3 (2) |
C3—C2—H2 | 121.4 | C15—C14—C16 | 121.5 (3) |
C1—C2—H2 | 121.4 | C13—C14—C16 | 121.1 (3) |
C2—C3—C4 | 120.0 (2) | N5—C15—C14 | 124.7 (3) |
C2—C3—H3 | 120.0 | N5—C15—H15 | 117.6 |
C4—C3—H3 | 120.0 | C14—C15—H15 | 117.6 |
C5—C4—C3 | 117.4 (2) | N6—C16—C14 | 112.62 (19) |
C5—C4—C6 | 120.7 (2) | N6—C16—H16A | 109.1 |
C3—C4—C6 | 121.9 (2) | C14—C16—H16A | 109.1 |
N1—C5—C4 | 124.1 (2) | N6—C16—H16B | 109.1 |
N1—C5—H5 | 118.0 | C14—C16—H16B | 109.1 |
C4—C5—H5 | 118.0 | H16A—C16—H16B | 107.8 |
N2—C6—C4 | 111.60 (17) | N6—C17—C18 | 109.7 (3) |
N2—C6—H6A | 109.3 | N6—C17—H17A | 109.7 |
C4—C6—H6A | 109.3 | C18—C17—H17A | 109.7 |
N2—C6—H6B | 109.3 | N6—C17—H17B | 109.7 |
C4—C6—H6B | 109.3 | C18—C17—H17B | 109.7 |
H6A—C6—H6B | 108.0 | H17A—C17—H17B | 108.2 |
N2—C7—C8 | 108.2 (2) | C17—C18—S2 | 108.1 (2) |
N2—C7—H7A | 110.1 | C17—C18—H18A | 110.1 |
C8—C7—H7A | 110.1 | S2—C18—H18A | 110.1 |
N2—C7—H7B | 110.1 | C17—C18—H18B | 110.1 |
C8—C7—H7B | 110.1 | S2—C18—H18B | 110.1 |
H7A—C7—H7B | 108.4 | H18A—C18—H18B | 108.4 |
C7—C8—S1 | 108.5 (2) | N7—C19—N6 | 122.2 (2) |
C7—C8—H8A | 110.0 | N7—C19—S2 | 125.99 (19) |
S1—C8—H8A | 110.0 | N6—C19—S2 | 111.81 (18) |
C7—C8—H8B | 110.0 | N8—C20—N7 | 174.3 (3) |
S1—C8—H8B | 110.0 | C1—N1—C5 | 116.1 (2) |
H8A—C8—H8B | 108.4 | C9—N2—C7 | 116.01 (19) |
N3—C9—N2 | 122.1 (2) | C9—N2—C6 | 122.68 (19) |
N3—C9—S1 | 125.52 (18) | C7—N2—C6 | 120.61 (19) |
N2—C9—S1 | 112.34 (17) | C9—N3—C10 | 119.3 (2) |
N4—C10—N3 | 174.2 (3) | C11—N5—C15 | 115.9 (2) |
N5—C11—C12 | 125.0 (2) | C19—N6—C16 | 121.3 (2) |
N5—C11—Cl2 | 115.7 (2) | C19—N6—C17 | 115.6 (2) |
C12—C11—Cl2 | 119.3 (2) | C16—N6—C17 | 122.3 (2) |
C11—C12—C13 | 117.5 (3) | C19—N7—C20 | 119.1 (2) |
C11—C12—H12 | 121.3 | C9—S1—C8 | 91.61 (12) |
C13—C12—H12 | 121.3 | C19—S2—C18 | 92.62 (14) |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···N5i | 0.93 | 2.55 | 3.459 (4) | 167 |
C13—H13···N1ii | 0.93 | 2.49 | 3.408 (4) | 169 |
Symmetry codes: (i) x−1, y, z; (ii) x, y, z+1. |
Experimental details
Crystal data | |
Chemical formula | C10H9ClN4S |
Mr | 252.73 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 293 |
a, b, c (Å) | 7.1294 (14), 35.469 (7), 9.0211 (18) |
β (°) | 97.80 (3) |
V (Å3) | 2260.1 (8) |
Z | 8 |
Radiation type | Mo Kα |
µ (mm−1) | 0.50 |
Crystal size (mm) | 0.31 × 0.29 × 0.20 |
Data collection | |
Diffractometer | Rigaku R-AXIS RAPID diffractometer |
Absorption correction | Multi-scan (ABSCOR; Higashi, 1995) |
Tmin, Tmax | 0.863, 0.909 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 21869, 5151, 3505 |
Rint | 0.046 |
(sin θ/λ)max (Å−1) | 0.649 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.048, 0.137, 1.08 |
No. of reflections | 5151 |
No. of parameters | 289 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.21, −0.29 |
Computer programs: RAPID-AUTO (Rigaku, 1998), CrystalClear (Rigaku/MSC, 2002), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···N5i | 0.93 | 2.55 | 3.459 (4) | 167 |
C13—H13···N1ii | 0.93 | 2.49 | 3.408 (4) | 169 |
Symmetry codes: (i) x−1, y, z; (ii) x, y, z+1. |
Acknowledgements
The authors thank the Special Funds for the Research of Scientific and Technological Innovative Talents of Harbin Municipal Science and Technology Bureau (2009RFXXG027), the Science and Technology Planning Project of Heilongjiang Province (GZ08A401) and Heilongjiang University for supporting this study.
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Thiacloprid is the common name of the title compound, which is neonicotinoide class of insecticide. High efficacy and flexible application methods make it well suited for modern integrated pest management programs in many cropping systems (Ishimitsu et al., 1991; Maienfisch et al., 2003). We report here the synthesis and crystal structure of thiacloprid.
The asymmetric unit comprises two molecules; the thiazolidine rings are almost planar, and form the dihedral angles with 2-chloropyridine rings of 73.36 (6) and 70.25 (8)°, respectively (Fig. 1).
In the crystal, the intermolecular C—H···N hydrogen bonds link the molecules to form a chain (Fig. 2, Table 1).