organic compounds
of 2-(3-bromophenyl)-1,3-dithiane
aDepartmento de Química, Universidade Federal de São Carlos, 13565-905 São Carlos, SP, Brazil, bDepartmento de Física, Universidade Federal de São Carlos, 13565-905 São Carlos, SP, Brazil, cDepartamento de Farmácia, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, 05508-900 São Paulo-SP, Brazil, and dDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
*Correspondence e-mail: julio@power.ufscar.br
In the title compound, C10H11BrS2, the 1,3-dithiane ring has a chair conformation with the 1,4-disposed C atoms being above and below the remaining four atoms. The bromobenzene ring occupies an equatorial position and forms a dihedral angle of 86.38 (12)° with the least-squares plane through the 1,3-dithiane ring. Thus, to a first approximation the molecule has mirror symmetry with the mirror containing the bromobenzene ring and the 1,4-disposed C atoms of the 1,3-dithiane ring. In the crystal, molecules associate via weak methylene–bromobenzene C—H⋯π and π–π [Cg⋯Cg = 3.7770 (14) Å for centrosymmetrically related bromobenzene rings] interactions, forming supramolecular layers parallel to [10-1]; these stack with no specific intermolecular interactions between them.
CCDC reference: 1048592
1. Related literature
For the original synthesis and characterization of the title compound, see: Ballesteros et al. (2005). For the structure of the unsubstituted parent compound which is virtually superimposable on the title compound, see: Kalff & Romers (1966).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SIR2014 (Burla et al., 2015); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and DIAMOND (Brandenburg, 2006); software used to prepare material for publication: MarvinSketch (ChemAxon, 2010) and publCIF (Westrip, 2010).
Supporting information
CCDC reference: 1048592
10.1107/S2056989015002832/hg5429sup1.cif
contains datablocks I, New_Global_Publ_Block. DOI:Structure factors: contains datablock I. DOI: 10.1107/S2056989015002832/hg5429Isup2.hkl
Supporting information file. DOI: 10.1107/S2056989015002832/hg5429Isup3.cml
A solution of 3-bromobenzaldehyde (0.037 mol, 1 equiv.) in chloroform (20 ml) was combined with an equimolar amount of propane-1,3-dithiol (3.7 ml, 0.037 mol) at room temperature. The solution was stirred for 1 h at this temperature, then cooled to -20 °C after which BF3 etherate (0.46 ml, 0.0037 mol, 0.1 equiv.) was added drop-wise. The reaction solution was allowed to warm to room temperature and stirred overnight. After this time, the solution was washed three times each with water, 10% aqueous KOH, then water followed by drying over MgSO4. Evaporation of the solvent furnishes a pure product as colourless crystals in 90% yield. To obtain crystals suitable for X-ray analysis, the product was crystallized from CH3OH. The spectroscopic data matched those reported in the literature (Ballesteros et al., 2005).
Carbon-bound H-atoms were placed in calculated positions (C—H = 0.95–0.98 Å) and were included in the
in the riding model approximation, with Uiso(H) = 1.2 Ueq(C).Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SIR2014 (Burla et al., 2015); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and DIAMOND (Brandenburg, 2006); software used to prepare material for publication: MarvinSketch (ChemAxon, 2010) and publCIF (Westrip, 2010).C10H11BrS2 | F(000) = 552 |
Mr = 275.22 | Dx = 1.640 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
a = 8.9821 (4) Å | Cell parameters from 4286 reflections |
b = 11.3871 (5) Å | θ = 2.6–25.4° |
c = 11.0550 (5) Å | µ = 4.01 mm−1 |
β = 99.604 (3)° | T = 296 K |
V = 1114.86 (9) Å3 | Prism, colourless |
Z = 4 | 0.33 × 0.28 × 0.16 mm |
Bruker APEXII CCD diffractometer | 1820 reflections with I > 2σ(I) |
ϕ and ω scans | Rint = 0.029 |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | θmax = 25.4°, θmin = 2.3° |
Tmin = 0.374, Tmax = 0.745 | h = −9→10 |
7307 measured reflections | k = −13→12 |
2060 independent reflections | l = −13→13 |
Refinement on F2 | 0 restraints |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.031 | H-atom parameters constrained |
wR(F2) = 0.082 | w = 1/[σ2(Fo2) + (0.0384P)2 + 0.6522P] where P = (Fo2 + 2Fc2)/3 |
S = 1.06 | (Δ/σ)max = 0.002 |
2060 reflections | Δρmax = 0.54 e Å−3 |
118 parameters | Δρmin = −0.65 e Å−3 |
C10H11BrS2 | V = 1114.86 (9) Å3 |
Mr = 275.22 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 8.9821 (4) Å | µ = 4.01 mm−1 |
b = 11.3871 (5) Å | T = 296 K |
c = 11.0550 (5) Å | 0.33 × 0.28 × 0.16 mm |
β = 99.604 (3)° |
Bruker APEXII CCD diffractometer | 2060 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 1820 reflections with I > 2σ(I) |
Tmin = 0.374, Tmax = 0.745 | Rint = 0.029 |
7307 measured reflections |
R[F2 > 2σ(F2)] = 0.031 | 0 restraints |
wR(F2) = 0.082 | H-atom parameters constrained |
S = 1.06 | Δρmax = 0.54 e Å−3 |
2060 reflections | Δρmin = −0.65 e Å−3 |
118 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. |
x | y | z | Uiso*/Ueq | ||
Br1 | 0.71577 (4) | 1.19362 (3) | 1.06788 (3) | 0.06773 (15) | |
S1 | 0.60308 (9) | 0.70880 (7) | 0.76097 (6) | 0.0565 (2) | |
S2 | 0.86833 (7) | 0.65738 (6) | 0.96061 (6) | 0.04880 (19) | |
C1 | 0.7115 (3) | 0.7543 (2) | 0.9063 (2) | 0.0373 (5) | |
H1 | 0.6439 | 0.7542 | 0.9674 | 0.045* | |
C2 | 0.5426 (4) | 0.5670 (3) | 0.8068 (3) | 0.0657 (8) | |
H2A | 0.4799 | 0.5784 | 0.8692 | 0.079* | |
H2B | 0.4805 | 0.5306 | 0.7366 | 0.079* | |
C3 | 0.6689 (4) | 0.4839 (3) | 0.8560 (3) | 0.0649 (8) | |
H3A | 0.6262 | 0.4076 | 0.8690 | 0.078* | |
H3B | 0.7342 | 0.4746 | 0.7950 | 0.078* | |
C4 | 0.7631 (3) | 0.5247 (3) | 0.9752 (3) | 0.0587 (7) | |
H4A | 0.8331 | 0.4628 | 1.0065 | 0.070* | |
H4B | 0.6969 | 0.5378 | 1.0349 | 0.070* | |
C5 | 0.7677 (2) | 0.8778 (2) | 0.8960 (2) | 0.0377 (5) | |
C6 | 0.7265 (3) | 0.9638 (2) | 0.9723 (2) | 0.0382 (5) | |
H6 | 0.6661 | 0.9450 | 1.0301 | 0.046* | |
C7 | 0.7754 (3) | 1.0778 (2) | 0.9623 (2) | 0.0432 (6) | |
C8 | 0.8665 (3) | 1.1081 (3) | 0.8788 (2) | 0.0526 (7) | |
H8 | 0.8994 | 1.1851 | 0.8733 | 0.063* | |
C9 | 0.9078 (3) | 1.0224 (3) | 0.8039 (2) | 0.0575 (7) | |
H9 | 0.9692 | 1.0417 | 0.7469 | 0.069* | |
C10 | 0.8598 (3) | 0.9074 (3) | 0.8115 (2) | 0.0496 (6) | |
H10 | 0.8892 | 0.8503 | 0.7602 | 0.060* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Br1 | 0.0883 (3) | 0.0415 (2) | 0.0730 (2) | 0.00622 (14) | 0.01259 (18) | −0.00728 (13) |
S1 | 0.0631 (5) | 0.0554 (4) | 0.0434 (4) | −0.0065 (3) | −0.0132 (3) | 0.0005 (3) |
S2 | 0.0406 (3) | 0.0434 (4) | 0.0579 (4) | 0.0002 (3) | −0.0047 (3) | 0.0017 (3) |
C1 | 0.0393 (12) | 0.0381 (13) | 0.0343 (12) | 0.0000 (10) | 0.0053 (9) | −0.0026 (10) |
C2 | 0.0624 (18) | 0.0590 (19) | 0.0669 (18) | −0.0188 (15) | −0.0145 (15) | −0.0067 (15) |
C3 | 0.075 (2) | 0.0415 (16) | 0.073 (2) | −0.0107 (14) | −0.0016 (16) | −0.0100 (14) |
C4 | 0.0611 (18) | 0.0409 (15) | 0.0682 (18) | −0.0039 (13) | −0.0062 (14) | 0.0077 (13) |
C5 | 0.0353 (12) | 0.0419 (13) | 0.0339 (11) | −0.0019 (10) | −0.0002 (9) | 0.0037 (10) |
C6 | 0.0390 (12) | 0.0402 (13) | 0.0348 (11) | −0.0006 (10) | 0.0043 (9) | 0.0028 (10) |
C7 | 0.0449 (14) | 0.0395 (13) | 0.0412 (13) | −0.0015 (10) | −0.0041 (10) | 0.0014 (10) |
C8 | 0.0559 (16) | 0.0479 (16) | 0.0507 (15) | −0.0157 (13) | −0.0007 (12) | 0.0100 (12) |
C9 | 0.0554 (17) | 0.072 (2) | 0.0476 (15) | −0.0166 (14) | 0.0153 (13) | 0.0098 (14) |
C10 | 0.0502 (15) | 0.0592 (17) | 0.0414 (13) | −0.0046 (13) | 0.0130 (11) | −0.0015 (12) |
Br1—C7 | 1.897 (3) | C4—H4A | 0.9700 |
S1—C2 | 1.803 (3) | C4—H4B | 0.9700 |
S1—C1 | 1.810 (2) | C5—C6 | 1.383 (3) |
S2—C4 | 1.803 (3) | C5—C10 | 1.389 (4) |
S2—C1 | 1.811 (2) | C6—C7 | 1.381 (3) |
C1—C5 | 1.505 (3) | C6—H6 | 0.9300 |
C1—H1 | 0.9800 | C7—C8 | 1.375 (4) |
C2—C3 | 1.507 (4) | C8—C9 | 1.371 (4) |
C2—H2A | 0.9700 | C8—H8 | 0.9300 |
C2—H2B | 0.9700 | C9—C10 | 1.385 (4) |
C3—C4 | 1.515 (4) | C9—H9 | 0.9300 |
C3—H3A | 0.9700 | C10—H10 | 0.9300 |
C3—H3B | 0.9700 | ||
C2—S1—C1 | 98.61 (12) | S2—C4—H4A | 108.8 |
C4—S2—C1 | 98.59 (13) | C3—C4—H4B | 108.8 |
C5—C1—S1 | 109.74 (15) | S2—C4—H4B | 108.8 |
C5—C1—S2 | 110.01 (16) | H4A—C4—H4B | 107.7 |
S1—C1—S2 | 113.16 (13) | C6—C5—C10 | 119.2 (2) |
C5—C1—H1 | 107.9 | C6—C5—C1 | 119.3 (2) |
S1—C1—H1 | 107.9 | C10—C5—C1 | 121.5 (2) |
S2—C1—H1 | 107.9 | C7—C6—C5 | 119.7 (2) |
C3—C2—S1 | 114.8 (2) | C7—C6—H6 | 120.1 |
C3—C2—H2A | 108.6 | C5—C6—H6 | 120.1 |
S1—C2—H2A | 108.6 | C8—C7—C6 | 121.5 (3) |
C3—C2—H2B | 108.6 | C8—C7—Br1 | 120.0 (2) |
S1—C2—H2B | 108.6 | C6—C7—Br1 | 118.53 (19) |
H2A—C2—H2B | 107.5 | C9—C8—C7 | 118.6 (3) |
C4—C3—C2 | 113.5 (3) | C9—C8—H8 | 120.7 |
C4—C3—H3A | 108.9 | C7—C8—H8 | 120.7 |
C2—C3—H3A | 108.9 | C8—C9—C10 | 121.2 (3) |
C4—C3—H3B | 108.9 | C8—C9—H9 | 119.4 |
C2—C3—H3B | 108.9 | C10—C9—H9 | 119.4 |
H3A—C3—H3B | 107.7 | C9—C10—C5 | 119.8 (3) |
C3—C4—S2 | 113.8 (2) | C9—C10—H10 | 120.1 |
C3—C4—H4A | 108.8 | C5—C10—H10 | 120.1 |
C2—S1—C1—C5 | −175.91 (19) | S2—C1—C5—C10 | 66.0 (3) |
C2—S1—C1—S2 | 60.79 (17) | C10—C5—C6—C7 | 0.9 (3) |
C4—S2—C1—C5 | 175.20 (17) | C1—C5—C6—C7 | −179.0 (2) |
C4—S2—C1—S1 | −61.65 (17) | C5—C6—C7—C8 | −0.9 (4) |
C1—S1—C2—C3 | −58.8 (3) | C5—C6—C7—Br1 | 179.66 (17) |
S1—C2—C3—C4 | 65.2 (4) | C6—C7—C8—C9 | 0.5 (4) |
C2—C3—C4—S2 | −65.7 (4) | Br1—C7—C8—C9 | 179.9 (2) |
C1—S2—C4—C3 | 60.0 (3) | C7—C8—C9—C10 | −0.2 (4) |
S1—C1—C5—C6 | 120.8 (2) | C8—C9—C10—C5 | 0.3 (4) |
S2—C1—C5—C6 | −114.1 (2) | C6—C5—C10—C9 | −0.7 (4) |
S1—C1—C5—C10 | −59.1 (3) | C1—C5—C10—C9 | 179.3 (2) |
Cg1 is the centroid of the C5–C10 ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
C2—H2b···Cg1i | 0.97 | 2.83 | 3.668 (4) | 146 |
Symmetry code: (i) −x+1, y−1/2, −z+3/2. |
Cg1 is the centroid of the C5–C10 ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
C2—H2b···Cg1i | 0.97 | 2.83 | 3.668 (4) | 146 |
Symmetry code: (i) −x+1, y−1/2, −z+3/2. |
Acknowledgements
We thank Professor Regina H. A. Santos from IQSC–USP for the X-ray data collection. The Brazilian agencies CNPq (305626/2013-2 to JZS, 306121/2013-2 to IC and 308320/2010-7 to HAS), FAPESP (2012/00424-2 and 2013/21925-2) and CAPES are acknowledged for financial support.
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