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Acta Cryst. (2009). E65, o705    [ doi:10.1107/S1600536809006503 ]

3-Mesityl-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl 4-chlorobenzoate

M.-H. Ji, M. Xia, G.-N. Zhu and J.-H. Zhao

Abstract top

The title compound, C24H23ClO4, is a potent insecticide and miticide. The five-membered cyclopentane ring displays an envelope conformation with the atom at the flap position 0.611 (2) Å out of the mean plane formed by the other four atoms. The furan ring makes dihedral angles of 71.3 (2) and 81.9 (2)°, respectively, with the 2,4,6-trimethylphenyl and 4-chlorophenyl rings. The dihedral angle between the two benzene rings is 76.6 (1)°. In the crystal, molecules are linked through weak intermolecular C-H...O hydrogen bonds, forming chains running along the c axis.

Comment top

4-hydroxyl-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4,4]non-3-en-2-one (HTPO) is a key intermediate of Spiromesifen, which is an efficient insecticide and miticide, developed by Bayer company (Bayer, 1995). As part of our continuing interest in the design and synthesis of the new insecticide and miticide, we have isolated the title compound (Fig. 1), by the condensation reaction of 4-chlorophenyl- acetylchloride and HTPO as colorless crystals. The molecule contains two six-membered rings and two five-membered rings. Atoms C1, C2, C12, C20, O1 and O2 are coplanar, the largest deviation being 0.011 (11) Å for O1. As expected, C2=C12, C1=O2 and C13=O4 are typical double bonds with bond distances of 1.317 (2), 1.202 (2) and 1.195 (3) Å suggests that C2, C12 and C13 atoms are sp2 hybridized. The bond distance of C1—C2 is 1.475 (2) Å, suggesting that the carbonyl group on C1 has formed a conjugate system with double bond on C2 and C12. In the crystal, molecules are linked through weak intermolecular C—H···O hydrogen bonds (Table 1), forming chains running along the c axis (Fig. 2), in contrast to the related 3-mesityl-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl 2-(chlorophenyl)-3-methyl- butyrate structure, where intermolecular C—H···Cl hydrogen bonds forming chains along the screw axis direction b (Yu et al. 2009).

Related literature top

For a related insecticide, see: Bayer, (1995). For a related methylbutyrate structure, see: Yu et al. (2009). For related literature, see: Larson (1970).

Experimental top

4-hydroxyl-3-(2,4,6-trimethylphenyl)-1-oxaspiro[4,4]non-3-en-2-one (0.272 g, 1 mmol) and triethylamine (0.152 g, 1.5 mmol) were dissolved in dry dichloromethane (15 ml) with stirring. 4-chlorophenylacetyl chloride (0.210 g, 1.2 mmol) was added dropwise to the mixture in a water bath. The mixture was stirred at 293–298 K for 5 h, and then 1% aqueous HCl was added. The organic layer was washed to neutral with water and dried via Na2SO4. After filtered and concentrated, the organic residue was purified by silica gel column chromatography, eluted with ethyl acetate-petroleum ether (1:3. v/v) to give a white solid (yield 81%, 0.334 g), which was then recrystallized from acetone/ethanol (1:2, v/v) to give colourless blocks.

Refinement top

The H atoms were geometrically placed (C—H = 0.93–0.98 Å) and refined as riding with Uiso(H) = 1.2Ueq(C) or 1.5Ueq(methyl C). The methyl group was allowed to rotate, but not to tip, to best fit the electron density.

Computing details top

Data collection: PROCESS-AUTO (Rigaku, 1998); cell refinement: PROCESS-AUTO (Rigaku, 1998); data reduction: CrystalStructure (Rigaku/MSC, 2004); program(s) used to solve structure: SIR97 (Altomare et al., 1993); program(s) used to refine structure: CRYSTALS (Betteridge et al., 2003); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: CrystalStructure (Rigaku/MSC, 2004).

Figures top
[Figure 1] Fig. 1. The molecular structure of (I), showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 30% probability level.
[Figure 2] Fig. 2. A packing diagram of the title compound, viewed along the a axis.
3-Mesityl-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl 4-chlorobenzoate top
Crystal data top
C24H23ClO4F(000) = 864.00
Mr = 410.90Dx = 1.254 Mg m−3
Monoclinic, P21/cMo Kα radiation, λ = 0.71075 Å
Hall symbol: -P 2ybcCell parameters from 20338 reflections
a = 6.4880 (2) Åθ = 3.0–27.4°
b = 22.9397 (8) ŵ = 0.20 mm−1
c = 14.6305 (6) ÅT = 296 K
β = 91.533 (1)°Block, colorless
V = 2176.72 (14) Å30.62 × 0.48 × 0.34 mm
Z = 4
Data collection top
Rigaku R-AXIS RAPID
diffractometer		3235 reflections with F2 > 2σ(F2)
Detector resolution: 10.00 pixels mm-1Rint = 0.030
ω scansθmax = 27.5°
Absorption correction: multi-scan
(ABSCOR; Higashi, 1995)		h = −8→7
Tmin = 0.867, Tmax = 0.934k = −29→29
33470 measured reflectionsl = −18→18
4926 independent reflections
Refinement top
Refinement on F2 w = 1/[0.0002Fo2 + 1.45σ(Fo2)]/(4Fo2)
R[F2 > 2σ(F2)] = 0.037(Δ/σ)max < 0.001
wR(F2) = 0.092Δρmax = 0.14 e Å−3
S = 1.00Δρmin = −0.17 e Å−3
4926 reflectionsExtinction correction: Larson (1970), equation 22
263 parametersExtinction coefficient: 695 (30)
H-atom parameters constrained
Crystal data top
C24H23ClO4V = 2176.72 (14) Å3
Mr = 410.90Z = 4
Monoclinic, P21/cMo Kα radiation
a = 6.4880 (2) ŵ = 0.20 mm−1
b = 22.9397 (8) ÅT = 296 K
c = 14.6305 (6) Å0.62 × 0.48 × 0.34 mm
β = 91.533 (1)°
Data collection top
Rigaku R-AXIS RAPID
diffractometer		4926 independent reflections
Absorption correction: multi-scan
(ABSCOR; Higashi, 1995)		3235 reflections with F2 > 2σ(F2)
Tmin = 0.867, Tmax = 0.934Rint = 0.030
33470 measured reflectionsθmax = 27.5°
Refinement top
R[F2 > 2σ(F2)] = 0.037H-atom parameters constrained
wR(F2) = 0.092Δρmax = 0.14 e Å−3
S = 1.00Δρmin = −0.17 e Å−3
4926 reflectionsAbsolute structure: ?
263 parametersFlack parameter: ?
? restraintsRogers parameter: ?
Special details top

Refinement. Refinement using all reflections. The weighted R-factor (wR) and goodness of fit (S) are based on F2. R-factor (gt) are based on F. The threshold expression of F2 > 2.0 σ(F2) is used only for calculating R-factor (gt).

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
Cl10.25024 (8)0.45321 (2)−0.01486 (4)0.0960 (2)
O10.83337 (16)0.19253 (4)0.49303 (8)0.0589 (3)
O20.83728 (17)0.23623 (5)0.62950 (8)0.0671 (3)
O30.64511 (14)0.29954 (4)0.33174 (6)0.0563 (3)
O40.31480 (18)0.29640 (6)0.37120 (10)0.0822 (5)
C10.7983 (2)0.23874 (6)0.54880 (12)0.0531 (5)
C20.7122 (2)0.28760 (6)0.49455 (12)0.0493 (4)
C30.6530 (2)0.34424 (6)0.53503 (11)0.0517 (4)
C40.4814 (2)0.34712 (6)0.59006 (12)0.0617 (5)
C50.4308 (3)0.40037 (8)0.62872 (12)0.0815 (7)
C60.5482 (4)0.45001 (8)0.61565 (16)0.0906 (8)
C70.7148 (3)0.44552 (8)0.56064 (17)0.0903 (7)
C80.7716 (2)0.39386 (6)0.51955 (12)0.0664 (5)
C90.3514 (2)0.29404 (8)0.60759 (14)0.0839 (7)
C100.4933 (4)0.50730 (9)0.66180 (18)0.1028 (11)
C110.9564 (2)0.39222 (8)0.45970 (17)0.0990 (8)
C120.7031 (2)0.26889 (6)0.40947 (12)0.0498 (4)
C130.4412 (2)0.31350 (6)0.31964 (12)0.0546 (5)
C140.4018 (2)0.34881 (6)0.23706 (11)0.0479 (4)
C150.5560 (2)0.37213 (6)0.18689 (12)0.0557 (5)
C160.5109 (2)0.40460 (6)0.10976 (12)0.0653 (5)
C170.3095 (2)0.41340 (6)0.08306 (12)0.0599 (5)
C180.1545 (2)0.38918 (8)0.13064 (14)0.0864 (7)
C190.1998 (2)0.35689 (8)0.20804 (14)0.0813 (6)
C200.7718 (2)0.20699 (6)0.39878 (11)0.0526 (4)
C210.6061 (2)0.16400 (6)0.36752 (12)0.0650 (5)
C220.7311 (3)0.10964 (6)0.34622 (13)0.0819 (6)
C230.9180 (3)0.13309 (9)0.29939 (14)0.0926 (7)
C240.9516 (2)0.19490 (6)0.33625 (12)0.0718 (6)
H50.31470.40280.66440.098*
H70.79330.47870.55040.108*
H150.69280.36600.20500.067*
H160.61660.42050.07600.078*
H180.01820.39440.11110.104*
H190.09360.34050.24090.098*
H910.29990.27860.55040.101*
H920.23770.30470.64480.101*
H930.43370.26500.63870.101*
H1010.35260.50600.68040.123*
H1020.58230.51310.71450.123*
H1030.51040.53890.61960.123*
H1111.02160.35470.46480.119*
H1120.91330.39890.39730.119*
H1131.05230.42200.47880.119*
H2110.50960.15650.41560.078*
H2120.53180.17810.31350.078*
H2210.77090.08910.40190.098*
H2220.65330.08360.30600.098*
H2311.03750.10900.31360.111*
H2320.89380.13400.23370.111*
H2411.08140.19730.37050.086*
H2420.95170.22270.28630.086*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Cl10.1083 (4)0.0976 (3)0.0808 (4)0.0141 (2)−0.0245 (3)0.0319 (3)
O10.0795 (7)0.0537 (6)0.0429 (7)0.0070 (5)−0.0072 (5)0.0039 (5)
O20.0907 (8)0.0672 (7)0.0425 (8)−0.0056 (5)−0.0117 (6)0.0056 (6)
O30.0610 (6)0.0657 (6)0.0422 (7)0.0093 (5)0.0000 (5)0.0114 (5)
O40.0608 (7)0.1034 (11)0.0823 (11)−0.0012 (7)0.0019 (7)0.0253 (9)
C10.0638 (10)0.0529 (9)0.0423 (11)−0.0086 (7)−0.0043 (8)0.0043 (8)
C20.0584 (9)0.0474 (8)0.0419 (10)−0.0054 (6)−0.0011 (7)0.0040 (7)
C30.0668 (10)0.0462 (8)0.0417 (10)−0.0040 (7)−0.0053 (8)0.0022 (7)
C40.0803 (11)0.0605 (10)0.0442 (11)0.0015 (8)−0.0008 (9)−0.0006 (8)
C50.1075 (15)0.0836 (13)0.0534 (13)0.0250 (11)0.0025 (11)−0.0061 (11)
C60.152 (2)0.0569 (12)0.0618 (15)0.0231 (13)−0.0212 (14)−0.0090 (10)
C70.1344 (19)0.0487 (10)0.0867 (17)−0.0122 (11)−0.0215 (14)0.0013 (11)
C80.0826 (12)0.0518 (10)0.0642 (13)−0.0084 (8)−0.0087 (10)0.0072 (9)
C90.0858 (13)0.0926 (13)0.0745 (15)−0.0107 (10)0.0220 (11)0.0034 (11)
C100.132 (3)0.0769 (14)0.098 (2)0.0380 (17)−0.026 (2)−0.0258 (14)
C110.0945 (15)0.0814 (13)0.121 (2)−0.0267 (10)0.0057 (14)0.0203 (13)
C120.0559 (9)0.0510 (8)0.0424 (10)−0.0014 (6)−0.0027 (7)0.0088 (8)
C130.0541 (9)0.0598 (9)0.0496 (11)−0.0062 (7)−0.0040 (8)0.0024 (8)
C140.0525 (9)0.0445 (8)0.0464 (10)−0.0003 (6)−0.0049 (7)−0.0009 (7)
C150.0525 (9)0.0602 (9)0.0544 (11)0.0090 (7)−0.0011 (8)0.0079 (8)
C160.0638 (11)0.0705 (10)0.0619 (12)0.0078 (8)0.0060 (9)0.0169 (9)
C170.0697 (11)0.0565 (9)0.0527 (11)0.0068 (8)−0.0113 (9)0.0048 (8)
C180.0590 (11)0.1087 (15)0.0901 (16)−0.0019 (10)−0.0229 (11)0.0293 (13)
C190.0559 (11)0.1068 (14)0.0806 (15)−0.0106 (9)−0.0092 (10)0.0308 (12)
C200.0637 (9)0.0546 (9)0.0392 (10)0.0039 (7)−0.0034 (8)0.0036 (7)
C210.0785 (11)0.0597 (9)0.0562 (12)−0.0025 (8)−0.0077 (9)−0.0014 (8)
C220.1206 (16)0.0589 (11)0.0655 (14)0.0083 (10)−0.0084 (12)−0.0098 (10)
C230.1229 (17)0.0889 (13)0.0664 (15)0.0319 (12)0.0108 (13)−0.0087 (11)
C240.0745 (11)0.0834 (12)0.0579 (13)0.0147 (9)0.0083 (10)0.0063 (10)
Geometric parameters (Å, °) top
Cl1—C171.7334 (17)C20—C241.527 (2)
O1—C11.361 (2)C21—C221.524 (2)
O1—C201.4633 (19)C22—C231.508 (3)
O2—C11.202 (2)C23—C241.530 (2)
O3—C121.3807 (19)C5—H50.930
O3—C131.3681 (18)C7—H70.930
O4—C131.195 (2)C9—H910.960
C1—C21.475 (2)C9—H920.960
C2—C31.483 (2)C9—H930.960
C2—C121.317 (2)C10—H1010.960
C3—C41.393 (2)C10—H1020.960
C3—C81.396 (2)C10—H1030.960
C4—C51.389 (2)C11—H1110.960
C4—C91.507 (2)C11—H1120.960
C5—C61.386 (2)C11—H1130.960
C6—C71.369 (3)C15—H150.930
C6—C101.524 (3)C16—H160.930
C7—C81.383 (2)C18—H180.930
C8—C111.504 (2)C19—H190.930
C12—C201.4978 (19)C21—H2110.970
C13—C141.471 (2)C21—H2120.970
C14—C151.366 (2)C22—H2210.970
C14—C191.380 (2)C22—H2220.970
C15—C161.377 (2)C23—H2310.970
C16—C171.368 (2)C23—H2320.970
C17—C181.357 (2)C24—H2410.970
C18—C191.378 (2)C24—H2420.970
C20—C211.520 (2)
C1—O1—C20110.04 (11)C6—C5—H5119.0
C12—O3—C13117.84 (11)C6—C7—H7118.5
O1—C1—O2121.16 (14)C8—C7—H7118.5
O1—C1—C2109.66 (14)C4—C9—H91109.5
O2—C1—C2129.18 (15)C4—C9—H92109.5
C1—C2—C3123.33 (15)C4—C9—H93109.5
C1—C2—C12105.54 (13)H91—C9—H92109.5
C3—C2—C12131.13 (14)H91—C9—H93109.5
C2—C3—C4119.47 (13)H92—C9—H93109.5
C2—C3—C8119.99 (14)C6—C10—H101109.5
C4—C3—C8120.52 (14)C6—C10—H102109.5
C3—C4—C5118.58 (15)C6—C10—H103109.5
C3—C4—C9121.32 (14)H101—C10—H102109.5
C5—C4—C9120.11 (16)H101—C10—H103109.5
C4—C5—C6121.98 (19)H102—C10—H103109.5
C5—C6—C7117.69 (18)C8—C11—H111109.5
C5—C6—C10120.8 (2)C8—C11—H112109.5
C7—C6—C10121.5 (2)C8—C11—H113109.5
C6—C7—C8122.96 (18)H111—C11—H112109.5
C3—C8—C7118.25 (17)H111—C11—H113109.5
C3—C8—C11121.71 (15)H112—C11—H113109.5
C7—C8—C11120.04 (16)C14—C15—H15119.7
O3—C12—C2128.10 (12)C16—C15—H15119.7
O3—C12—C20118.17 (13)C15—C16—H16120.2
C2—C12—C20113.69 (13)C17—C16—H16120.2
O3—C13—O4121.26 (15)C17—C18—H18120.1
O3—C13—C14112.40 (13)C19—C18—H18120.1
O4—C13—C14126.30 (15)C14—C19—H19119.8
C13—C14—C15122.92 (13)C18—C19—H19119.8
C13—C14—C19117.99 (14)C20—C21—H211111.2
C15—C14—C19119.05 (15)C20—C21—H212111.2
C14—C15—C16120.62 (14)C22—C21—H211111.2
C15—C16—C17119.63 (15)C22—C21—H212111.2
Cl1—C17—C16120.17 (13)H211—C21—H212109.5
Cl1—C17—C18119.25 (13)C21—C22—H221110.9
C16—C17—C18120.53 (16)C21—C22—H222110.9
C17—C18—C19119.79 (16)C23—C22—H221110.9
C14—C19—C18120.34 (16)C23—C22—H222110.9
O1—C20—C12101.01 (11)H221—C22—H222109.5
O1—C20—C21108.02 (12)C22—C23—H231110.3
O1—C20—C24109.27 (12)C22—C23—H232110.3
C12—C20—C21115.86 (12)C24—C23—H231110.3
C12—C20—C24117.98 (12)C24—C23—H232110.3
C21—C20—C24104.32 (12)H231—C23—H232109.5
C20—C21—C22102.49 (13)C20—C24—H241110.3
C21—C22—C23103.88 (14)C20—C24—H242110.3
C22—C23—C24106.19 (16)C23—C24—H241110.3
C20—C24—C23106.01 (14)C23—C24—H242110.3
C4—C5—H5119.0H241—C24—H242109.5
C1—O1—C20—C121.70 (14)C5—C6—C7—C8−1.2 (3)
C1—O1—C20—C21−120.35 (12)C10—C6—C7—C8178.4 (2)
C1—O1—C20—C24126.75 (12)C6—C7—C8—C30.1 (2)
C20—O1—C1—O2179.74 (14)C6—C7—C8—C11179.8 (2)
C20—O1—C1—C2−0.57 (16)O3—C12—C20—O1175.69 (11)
C12—O3—C13—O4−5.0 (2)O3—C12—C20—C21−67.91 (18)
C12—O3—C13—C14176.84 (12)O3—C12—C20—C2456.74 (18)
C13—O3—C12—C2−71.27 (19)C2—C12—C20—O1−2.47 (16)
C13—O3—C12—C20110.86 (14)C2—C12—C20—C21113.92 (16)
O1—C1—C2—C3178.86 (12)C2—C12—C20—C24−121.43 (16)
O1—C1—C2—C12−1.01 (16)O3—C13—C14—C15−9.4 (2)
O2—C1—C2—C3−1.5 (2)O3—C13—C14—C19168.51 (14)
O2—C1—C2—C12178.65 (16)O4—C13—C14—C15172.61 (16)
C1—C2—C3—C4−70.0 (2)O4—C13—C14—C19−9.5 (2)
C1—C2—C3—C8108.53 (18)C13—C14—C15—C16179.61 (14)
C1—C2—C12—O3−175.75 (13)C13—C14—C19—C18−179.44 (16)
C1—C2—C12—C202.20 (17)C15—C14—C19—C18−1.5 (2)
C3—C2—C12—O34.4 (2)C19—C14—C15—C161.7 (2)
C3—C2—C12—C20−177.65 (14)C14—C15—C16—C17−0.2 (2)
C12—C2—C3—C4109.8 (2)C15—C16—C17—Cl1−178.99 (12)
C12—C2—C3—C8−71.6 (2)C15—C16—C17—C18−1.7 (2)
C2—C3—C4—C5178.81 (15)Cl1—C17—C18—C19179.29 (14)
C2—C3—C4—C9−1.5 (2)C16—C17—C18—C191.9 (2)
C2—C3—C8—C7−178.18 (17)C17—C18—C19—C14−0.4 (2)
C2—C3—C8—C112.1 (2)O1—C20—C21—C22−78.01 (15)
C4—C3—C8—C70.4 (2)O1—C20—C24—C2394.02 (15)
C4—C3—C8—C11−179.37 (17)C12—C20—C21—C22169.61 (14)
C8—C3—C4—C50.3 (2)C12—C20—C24—C23−151.47 (14)
C8—C3—C4—C9179.99 (14)C21—C20—C24—C23−21.28 (17)
C3—C4—C5—C6−1.4 (2)C24—C20—C21—C2238.17 (16)
C9—C4—C5—C6178.88 (19)C20—C21—C22—C23−40.81 (18)
C4—C5—C6—C71.8 (3)C21—C22—C23—C2427.7 (2)
C4—C5—C6—C10−177.7 (2)C22—C23—C24—C20−4.02 (19)
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
C24—H242···O2i0.972.573.475 (2)155
Symmetry codes: (i) x, −y+1/2, z−1/2.
Table 1
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
C24—H242···O2i0.972.573.475 (2)155
Symmetry codes: (i) x, −y+1/2, z−1/2.
Acknowledgements top

The authors are grateful for support from the National Natural Science Foundation of China (No. 30700532) and the Science and Technology Project of Zhejiang Province (No. 2008C02007-3, 2008C21029). They also thank Professor Jian-Ming Gu for help with the analysis of the crystal data.

references
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