organic compounds
1-{[3-(2-Chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropan-1-yl]carbonyl}-3-(methylsulfonyl)imidazolidin-2-one
aCollege of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, People's Republic of China, bCollege of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China, and cDepartment of Pharmacy, Zhejiang Medical College, Hangzhou 310053, People's Republic of China
*Correspondence e-mail: rgw@zjut.edu.cn
In the title molecule, C13H16ClF3N2O4S, the imidazolidine ring is approximately planar, the largest deviation from this plane being 0.025 (3) Å. The cyclopropane ring forms a dihedral angle of 64.1 (2)° with the imidazolidine ring. In the crystal, C—H⋯O hydrogen bonds are observed.
Related literature
For the biological activities of pyrethroids, see: Chen & Yu (1991); Sun et al. (2008). For the crystal structures of similar compounds, see: Sun, Shen, Rao et al. (2006); Sun, Shen, Zheng et al. (2006). For the synthesis of the title compound, see: Sun et al. (2008).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 1997); cell SAINT (Bruker, 1997); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supporting information
10.1107/S1600536812021216/wn2475sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812021216/wn2475Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812021216/wn2475Isup3.cdx
Supporting information file. DOI: 10.1107/S1600536812021216/wn2475Isup4.cml
The title compound was synthesized according to the published procedure (Sun et al., 2008). A solution of the compound in ethanol was concentrated gradually at room temperature to afford colourless blocks.
H atoms were included in calculated positions and refined using a riding model. Csp2—H = 0.93 Å, Cmethyl—H = 0.96 Å, Cmethylene—H = 0.97 Å and Cmethine—H = 0.98 Å. Uiso(H) = xUeq(C), where x = 1.5 for methyl H and 1.2 for all other H atoms.
Data collection: SMART (Bruker, 1997); cell
SAINT (Bruker, 1997); data reduction: SAINT (Bruker, 1997); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).C13H16ClF3N2O4S | F(000) = 800 |
Mr = 388.79 | Dx = 1.533 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 3411 reflections |
a = 15.404 (4) Å | θ = 2.7–26.7° |
b = 9.483 (2) Å | µ = 0.40 mm−1 |
c = 11.858 (3) Å | T = 298 K |
β = 103.464 (4)° | Block, colourless |
V = 1684.5 (8) Å3 | 0.68 × 0.40 × 0.18 mm |
Z = 4 |
Bruker SMART CCD diffractometer | 2964 independent reflections |
Radiation source: fine-focus sealed tube | 2548 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.022 |
ϕ and ω scans | θmax = 25.0°, θmin = 1.4° |
Absorption correction: multi-scan (SADABS; Bruker, 1997) | h = −18→14 |
Tmin = 0.761, Tmax = 0.930 | k = −8→11 |
6863 measured reflections | l = −14→14 |
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)] = 0.062 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.175 | H-atom parameters constrained |
S = 1.11 | w = 1/[σ2(Fo2) + (0.0729P)2 + 2.4194P] where P = (Fo2 + 2Fc2)/3 |
2964 reflections | (Δ/σ)max < 0.001 |
217 parameters | Δρmax = 0.57 e Å−3 |
0 restraints | Δρmin = −0.53 e Å−3 |
C13H16ClF3N2O4S | V = 1684.5 (8) Å3 |
Mr = 388.79 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 15.404 (4) Å | µ = 0.40 mm−1 |
b = 9.483 (2) Å | T = 298 K |
c = 11.858 (3) Å | 0.68 × 0.40 × 0.18 mm |
β = 103.464 (4)° |
Bruker SMART CCD diffractometer | 2964 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 1997) | 2548 reflections with I > 2σ(I) |
Tmin = 0.761, Tmax = 0.930 | Rint = 0.022 |
6863 measured reflections |
R[F2 > 2σ(F2)] = 0.062 | 0 restraints |
wR(F2) = 0.175 | H-atom parameters constrained |
S = 1.11 | Δρmax = 0.57 e Å−3 |
2964 reflections | Δρmin = −0.53 e Å−3 |
217 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 | ||
F1 | 0.0849 (3) | 1.1070 (3) | 0.3133 (2) | 0.1095 (13) | |
F2 | 0.0338 (3) | 1.2094 (4) | 0.4425 (3) | 0.1146 (13) | |
F3 | 0.1607 (3) | 1.2571 (3) | 0.4218 (4) | 0.1126 (12) | |
O3 | 0.5270 (2) | 0.1855 (3) | 0.3889 (3) | 0.0683 (9) | |
O4 | 0.4640 (3) | 0.1833 (3) | 0.5579 (3) | 0.0778 (10) | |
C13 | 0.3639 (4) | 0.1076 (5) | 0.3604 (6) | 0.0918 (18) | |
H13A | 0.3575 | 0.1240 | 0.2790 | 0.138* | |
H13B | 0.3101 | 0.1352 | 0.3822 | 0.138* | |
H13C | 0.3749 | 0.0092 | 0.3768 | 0.138* | |
S | 0.45301 (6) | 0.20590 (10) | 0.43865 (8) | 0.0461 (3) | |
Cl1 | 0.16342 (14) | 1.09317 (14) | 0.64639 (11) | 0.1095 (7) | |
O1 | 0.3400 (2) | 0.4131 (3) | 0.5463 (2) | 0.0605 (8) | |
O2 | 0.2822 (2) | 0.7813 (3) | 0.3499 (2) | 0.0585 (7) | |
N2 | 0.34790 (19) | 0.5737 (3) | 0.4009 (2) | 0.0407 (7) | |
N1 | 0.4231 (2) | 0.3728 (3) | 0.4092 (3) | 0.0450 (7) | |
C7 | 0.1933 (2) | 0.7923 (3) | 0.5495 (3) | 0.0385 (7) | |
H7 | 0.1997 | 0.8140 | 0.6319 | 0.046* | |
C10 | 0.1603 (2) | 0.9097 (4) | 0.4727 (3) | 0.0418 (8) | |
H10 | 0.1507 | 0.8925 | 0.3935 | 0.050* | |
C6 | 0.1633 (2) | 0.6421 (4) | 0.5170 (3) | 0.0399 (8) | |
C4 | 0.2957 (2) | 0.6873 (4) | 0.4208 (3) | 0.0414 (8) | |
C1 | 0.3662 (2) | 0.4485 (4) | 0.4631 (3) | 0.0396 (8) | |
C8 | 0.1030 (3) | 0.6147 (4) | 0.3983 (3) | 0.0543 (10) | |
H8A | 0.1197 | 0.6759 | 0.3424 | 0.081* | |
H8B | 0.0421 | 0.6326 | 0.4007 | 0.081* | |
H8C | 0.1091 | 0.5183 | 0.3767 | 0.081* | |
C5 | 0.2599 (2) | 0.6822 (3) | 0.5266 (3) | 0.0378 (7) | |
H5 | 0.3018 | 0.6469 | 0.5961 | 0.045* | |
C12 | 0.1041 (3) | 1.1499 (4) | 0.4206 (4) | 0.0608 (11) | |
C3 | 0.3890 (3) | 0.5794 (4) | 0.3006 (3) | 0.0505 (9) | |
H3A | 0.4298 | 0.6584 | 0.3072 | 0.061* | |
H3B | 0.3437 | 0.5882 | 0.2288 | 0.061* | |
C11 | 0.1428 (3) | 1.0371 (4) | 0.5035 (3) | 0.0492 (9) | |
C2 | 0.4380 (3) | 0.4417 (5) | 0.3047 (4) | 0.0604 (11) | |
H2A | 0.4140 | 0.3856 | 0.2362 | 0.072* | |
H2B | 0.5012 | 0.4573 | 0.3107 | 0.072* | |
C9 | 0.1443 (3) | 0.5501 (4) | 0.6126 (4) | 0.0527 (9) | |
H9A | 0.0815 | 0.5302 | 0.5973 | 0.079* | |
H9B | 0.1624 | 0.5983 | 0.6855 | 0.079* | |
H9C | 0.1768 | 0.4633 | 0.6158 | 0.079* |
U11 | U22 | U33 | U12 | U13 | U23 | |
F1 | 0.183 (4) | 0.078 (2) | 0.0565 (17) | 0.059 (2) | 0.0057 (19) | 0.0025 (14) |
F2 | 0.117 (3) | 0.110 (3) | 0.131 (3) | 0.074 (2) | 0.059 (2) | 0.031 (2) |
F3 | 0.130 (3) | 0.0571 (18) | 0.151 (3) | 0.0027 (18) | 0.032 (2) | 0.032 (2) |
O3 | 0.0670 (19) | 0.070 (2) | 0.078 (2) | 0.0244 (15) | 0.0374 (16) | 0.0059 (15) |
O4 | 0.119 (3) | 0.067 (2) | 0.0551 (18) | 0.0320 (19) | 0.0358 (18) | 0.0181 (15) |
C13 | 0.081 (4) | 0.057 (3) | 0.132 (5) | −0.011 (3) | 0.014 (3) | −0.020 (3) |
S | 0.0538 (6) | 0.0429 (5) | 0.0461 (5) | 0.0096 (4) | 0.0209 (4) | 0.0010 (4) |
Cl1 | 0.2056 (19) | 0.0635 (8) | 0.0556 (8) | 0.0415 (9) | 0.0228 (9) | −0.0150 (6) |
O1 | 0.087 (2) | 0.0494 (15) | 0.0611 (17) | 0.0175 (14) | 0.0496 (16) | 0.0161 (13) |
O2 | 0.0729 (18) | 0.0535 (16) | 0.0566 (16) | 0.0195 (13) | 0.0301 (14) | 0.0212 (13) |
N2 | 0.0455 (15) | 0.0409 (16) | 0.0417 (16) | 0.0047 (12) | 0.0223 (13) | 0.0068 (12) |
N1 | 0.0596 (18) | 0.0421 (16) | 0.0403 (16) | 0.0084 (14) | 0.0258 (14) | 0.0034 (13) |
C7 | 0.0461 (18) | 0.0357 (17) | 0.0349 (17) | 0.0016 (14) | 0.0119 (14) | −0.0058 (14) |
C10 | 0.0476 (19) | 0.0396 (18) | 0.0400 (18) | 0.0045 (15) | 0.0137 (15) | −0.0037 (15) |
C6 | 0.0441 (18) | 0.0354 (17) | 0.0434 (19) | 0.0008 (14) | 0.0162 (15) | −0.0036 (14) |
C4 | 0.0396 (18) | 0.0410 (19) | 0.0446 (19) | 0.0029 (14) | 0.0118 (15) | 0.0066 (15) |
C1 | 0.0443 (18) | 0.0407 (18) | 0.0377 (18) | 0.0016 (14) | 0.0175 (14) | −0.0009 (14) |
C8 | 0.056 (2) | 0.050 (2) | 0.055 (2) | −0.0069 (18) | 0.0086 (18) | −0.0113 (18) |
C5 | 0.0428 (18) | 0.0356 (17) | 0.0359 (17) | 0.0056 (14) | 0.0107 (14) | −0.0008 (13) |
C12 | 0.075 (3) | 0.045 (2) | 0.066 (3) | 0.019 (2) | 0.024 (2) | −0.002 (2) |
C3 | 0.061 (2) | 0.057 (2) | 0.043 (2) | 0.0081 (18) | 0.0295 (18) | 0.0089 (17) |
C11 | 0.062 (2) | 0.041 (2) | 0.048 (2) | 0.0057 (17) | 0.0191 (18) | −0.0066 (16) |
C2 | 0.072 (3) | 0.069 (3) | 0.050 (2) | 0.023 (2) | 0.036 (2) | 0.018 (2) |
C9 | 0.061 (2) | 0.047 (2) | 0.057 (2) | −0.0048 (18) | 0.0284 (19) | −0.0010 (18) |
F1—C12 | 1.303 (5) | C7—H7 | 0.9800 |
F2—C12 | 1.300 (5) | C10—C11 | 1.308 (5) |
F3—C12 | 1.337 (6) | C10—H10 | 0.9300 |
O3—S | 1.414 (3) | C6—C9 | 1.512 (5) |
O4—S | 1.401 (3) | C6—C5 | 1.515 (5) |
C13—S | 1.738 (5) | C6—C8 | 1.517 (5) |
C13—H13A | 0.9600 | C4—C5 | 1.484 (5) |
C13—H13B | 0.9600 | C8—H8A | 0.9600 |
C13—H13C | 0.9600 | C8—H8B | 0.9600 |
S—N1 | 1.663 (3) | C8—H8C | 0.9600 |
Cl1—C11 | 1.734 (4) | C5—H5 | 0.9800 |
O1—C1 | 1.197 (4) | C12—C11 | 1.481 (6) |
O2—C4 | 1.210 (4) | C3—C2 | 1.503 (6) |
N2—C1 | 1.392 (4) | C3—H3A | 0.9700 |
N2—C4 | 1.397 (4) | C3—H3B | 0.9700 |
N2—C3 | 1.472 (4) | C2—H2A | 0.9700 |
N1—C1 | 1.397 (4) | C2—H2B | 0.9700 |
N1—C2 | 1.465 (5) | C9—H9A | 0.9600 |
C7—C10 | 1.453 (5) | C9—H9B | 0.9600 |
C7—C6 | 1.520 (5) | C9—H9C | 0.9600 |
C7—C5 | 1.532 (4) | ||
S—C13—H13A | 109.5 | C6—C8—H8A | 109.5 |
S—C13—H13B | 109.5 | C6—C8—H8B | 109.5 |
H13A—C13—H13B | 109.5 | H8A—C8—H8B | 109.5 |
S—C13—H13C | 109.5 | C6—C8—H8C | 109.5 |
H13A—C13—H13C | 109.5 | H8A—C8—H8C | 109.5 |
H13B—C13—H13C | 109.5 | H8B—C8—H8C | 109.5 |
O4—S—O3 | 118.7 (2) | C4—C5—C6 | 119.8 (3) |
O4—S—N1 | 108.67 (17) | C4—C5—C7 | 121.6 (3) |
O3—S—N1 | 104.69 (17) | C6—C5—C7 | 59.8 (2) |
O4—S—C13 | 110.6 (3) | C4—C5—H5 | 114.9 |
O3—S—C13 | 108.5 (3) | C6—C5—H5 | 114.9 |
N1—S—C13 | 104.6 (2) | C7—C5—H5 | 114.9 |
C1—N2—C4 | 128.4 (3) | F2—C12—F1 | 108.7 (4) |
C1—N2—C3 | 112.8 (3) | F2—C12—F3 | 103.9 (4) |
C4—N2—C3 | 118.8 (3) | F1—C12—F3 | 104.3 (4) |
C1—N1—C2 | 113.3 (3) | F2—C12—C11 | 114.0 (4) |
C1—N1—S | 124.4 (2) | F1—C12—C11 | 112.8 (3) |
C2—N1—S | 120.8 (2) | F3—C12—C11 | 112.4 (4) |
C10—C7—C6 | 121.2 (3) | N2—C3—C2 | 104.4 (3) |
C10—C7—C5 | 124.2 (3) | N2—C3—H3A | 110.9 |
C6—C7—C5 | 59.5 (2) | C2—C3—H3A | 110.9 |
C10—C7—H7 | 113.8 | N2—C3—H3B | 110.9 |
C6—C7—H7 | 113.8 | C2—C3—H3B | 110.9 |
C5—C7—H7 | 113.8 | H3A—C3—H3B | 108.9 |
C11—C10—C7 | 126.7 (3) | C10—C11—C12 | 124.0 (4) |
C11—C10—H10 | 116.7 | C10—C11—Cl1 | 123.6 (3) |
C7—C10—H10 | 116.7 | C12—C11—Cl1 | 112.4 (3) |
C9—C6—C5 | 116.5 (3) | N1—C2—C3 | 103.8 (3) |
C9—C6—C8 | 114.4 (3) | N1—C2—H2A | 111.0 |
C5—C6—C8 | 119.4 (3) | C3—C2—H2A | 111.0 |
C9—C6—C7 | 116.8 (3) | N1—C2—H2B | 111.0 |
C5—C6—C7 | 60.6 (2) | C3—C2—H2B | 111.0 |
C8—C6—C7 | 118.7 (3) | H2A—C2—H2B | 109.0 |
O2—C4—N2 | 117.5 (3) | C6—C9—H9A | 109.5 |
O2—C4—C5 | 125.1 (3) | C6—C9—H9B | 109.5 |
N2—C4—C5 | 117.4 (3) | H9A—C9—H9B | 109.5 |
O1—C1—N2 | 127.6 (3) | C6—C9—H9C | 109.5 |
O1—C1—N1 | 126.9 (3) | H9A—C9—H9C | 109.5 |
N2—C1—N1 | 105.5 (3) | H9B—C9—H9C | 109.5 |
O4—S—N1—C1 | −37.1 (4) | O2—C4—C5—C6 | 77.1 (5) |
O3—S—N1—C1 | −164.9 (3) | N2—C4—C5—C6 | −102.0 (4) |
C13—S—N1—C1 | 81.1 (4) | O2—C4—C5—C7 | 6.2 (5) |
O4—S—N1—C2 | 157.4 (3) | N2—C4—C5—C7 | −172.8 (3) |
O3—S—N1—C2 | 29.6 (4) | C9—C6—C5—C4 | 141.2 (3) |
C13—S—N1—C2 | −84.4 (4) | C8—C6—C5—C4 | −3.0 (5) |
C6—C7—C10—C11 | 144.2 (4) | C7—C6—C5—C4 | −111.4 (3) |
C5—C7—C10—C11 | −143.6 (4) | C9—C6—C5—C7 | −107.3 (3) |
C10—C7—C6—C9 | −139.2 (3) | C8—C6—C5—C7 | 108.4 (3) |
C5—C7—C6—C9 | 106.9 (3) | C10—C7—C5—C4 | −0.6 (5) |
C10—C7—C6—C5 | 113.9 (4) | C6—C7—C5—C4 | 108.5 (4) |
C10—C7—C6—C8 | 4.4 (5) | C10—C7—C5—C6 | −109.1 (4) |
C5—C7—C6—C8 | −109.5 (3) | C1—N2—C3—C2 | −0.5 (4) |
C1—N2—C4—O2 | −173.8 (3) | C4—N2—C3—C2 | −179.1 (3) |
C3—N2—C4—O2 | 4.6 (5) | C7—C10—C11—C12 | −176.2 (4) |
C1—N2—C4—C5 | 5.4 (5) | C7—C10—C11—Cl1 | 4.5 (6) |
C3—N2—C4—C5 | −176.3 (3) | F2—C12—C11—C10 | 127.9 (5) |
C4—N2—C1—O1 | 0.5 (6) | F1—C12—C11—C10 | 3.4 (6) |
C3—N2—C1—O1 | −177.9 (4) | F3—C12—C11—C10 | −114.2 (5) |
C4—N2—C1—N1 | −178.6 (3) | F2—C12—C11—Cl1 | −52.7 (5) |
C3—N2—C1—N1 | 3.0 (4) | F1—C12—C11—Cl1 | −177.3 (4) |
C2—N1—C1—O1 | 176.4 (4) | F3—C12—C11—Cl1 | 65.1 (4) |
S—N1—C1—O1 | 10.0 (6) | C1—N1—C2—C3 | 4.0 (5) |
C2—N1—C1—N2 | −4.4 (4) | S—N1—C2—C3 | 171.0 (3) |
S—N1—C1—N2 | −170.8 (2) | N2—C3—C2—N1 | −2.0 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
C2—H2A···O4i | 0.97 | 2.50 | 3.267 (5) | 136 |
C3—H3A···O4ii | 0.97 | 2.50 | 3.352 (6) | 146 |
C13—H13C···O2iii | 0.96 | 2.57 | 3.331 (6) | 137 |
Symmetry codes: (i) x, −y+1/2, z−1/2; (ii) −x+1, −y+1, −z+1; (iii) x, y−1, z. |
Experimental details
Crystal data | |
Chemical formula | C13H16ClF3N2O4S |
Mr | 388.79 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 298 |
a, b, c (Å) | 15.404 (4), 9.483 (2), 11.858 (3) |
β (°) | 103.464 (4) |
V (Å3) | 1684.5 (8) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.40 |
Crystal size (mm) | 0.68 × 0.40 × 0.18 |
Data collection | |
Diffractometer | Bruker SMART CCD diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 1997) |
Tmin, Tmax | 0.761, 0.930 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 6863, 2964, 2548 |
Rint | 0.022 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.062, 0.175, 1.11 |
No. of reflections | 2964 |
No. of parameters | 217 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.57, −0.53 |
Computer programs: SMART (Bruker, 1997), SAINT (Bruker, 1997), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 1997), WinGX (Farrugia, 1999).
D—H···A | D—H | H···A | D···A | D—H···A |
C2—H2A···O4i | 0.97 | 2.50 | 3.267 (5) | 136.0 |
C3—H3A···O4ii | 0.97 | 2.50 | 3.352 (6) | 146.1 |
C13—H13C···O2iii | 0.96 | 2.57 | 3.331 (6) | 136.5 |
Symmetry codes: (i) x, −y+1/2, z−1/2; (ii) −x+1, −y+1, −z+1; (iii) x, y−1, z. |
Acknowledgements
The authors are grateful to the Program of the Education Department of Zhejiang Province of China (grant No. Y200803060) for financial support.
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Pyrethroids have a high potential for biological activity with low toxicity and good environmental compatibility. They have been widely used in making pesticides (Chen & Yu, 1991; Sun et al., 2008). In a continuation of our studies of the biological activities of pyrethroids, we have obtained a colourless crystalline compound, whose structure has been confirmed by single-crystal X-ray diffraction. The crystal structures of two similar compounds have already been published (Sun, Shen, Rao et al., 2006; Sun, Shen, Zheng et al., 2006).
The molecular structure of the title compound is illustrated in Fig. 1. Atoms N1, C2, C3, N2 and C1 are approximately planar, the largest deviation from this plane being 0.025 (3) Å for atom N1. The cyclopropane ring (C5—C7) forms dihedral angles of 89.49 (22) ° and 64.07 (21) ° with the least-squares planes of the C8, C9, C6 grouping and the imidazolidine ring, respectively. In the crystal structure, intermolecular C—H···O hydrogen bonds are observed. A short intermolecular contact of O3···C3 = 3.02 Å is present.