organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

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ISSN: 2056-9890

2-(Cyclo­hexa-1,4-dien­yl)-2-(4-meth­oxy­phen­yl)-N,N-di­methyl­ethanaminium chloride

aDepartment of Pharmacy, Sir Run Shaw Institute of Clinical Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, People's Republic of China, and bCenter for Analysis and Measurement, Zhejiang University, Hangzhou, Zhejiang 310028, People's Republic of China
*Correspondence e-mail: huxiurong@yahoo.com.cn

(Received 26 June 2009; accepted 14 July 2009; online 18 July 2009)

In the title compound, C17H24NO+·Cl, the cyclo­hexa-1,4-diene ring, which is almost planar, with a maximum deviation of 0.024 (4) Å from the mean plane, makes a dihedral angle of 66.4 (1)° with the benzene ring. In the crystal, inter­molecular N—H⋯Cl and C—H⋯Cl hydrogen bonds link the mol­ecules into an infinite chain along the b axis.

Related literature

The title compound is an impurity that is sometimes yielded during the preparation of venlafaxine, one of a novel group of anti­depressants characterized by their ability to selectively inhibit the pro-synaptic re-uptake of both serotonin and noradrenaline, see: Vega et al. (2000[Vega, D., Fernández, D. & Echeverría, G. (2000). Acta Cryst. C56, 1009-1010.]); Yardley et al. (1990[Yardley, J. P., Husbands, G. E. G., Stack, G., Butch, J., Bicksler, J., Moyer, J. A., Muth, E. A., Andree, T., Fletcher, H., James, M. N. G. & Sielecki, A. R. (1990). J. Med. Chem. 33, 2899-2905.]).

[Scheme 1]

Experimental

Crystal data
  • C17H24NO+·Cl

  • Mr = 293.84

  • Orthorhombic, P b c a

  • a = 11.1245 (7) Å

  • b = 10.9248 (6) Å

  • c = 28.9651 (16) Å

  • V = 3520.2 (4) Å3

  • Z = 8

  • Mo Kα radiation

  • μ = 0.21 mm−1

  • T = 296 K

  • 0.32 × 0.28 × 0.10 mm

Data collection
  • Rigaku R-AXIS RAPID diffractometer

  • Absorption correction: multi-scan (ABSCOR; Higashi, 1995[Higashi, T. (1995). ABSCOR. Rigaku Corporation, Tokyo, Japan.]) Tmin = 0.927, Tmax = 0.979

  • 32170 measured reflections

  • 4010 independent reflections

  • 2102 reflections with F2 > 2σ(F2)

  • Rint = 0.081

Refinement
  • R[F2 > 2σ(F2)] = 0.060

  • wR(F2) = 0.140

  • S = 1.00

  • 4010 reflections

  • 182 parameters

  • H-atom parameters constrained

  • Δρmax = 0.61 e Å−3

  • Δρmin = −0.46 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
N1—H101⋯Cl1 0.86 2.28 3.033 (2) 146
C17—H173⋯Cl1i 0.96 2.75 3.641 (3) 155
Symmetry code: (i) [-x+{\script{1\over 2}}, y+{\script{1\over 2}}, z].

Data collection: PROCESS-AUTO (Rigaku, 1998[Rigaku (1998). PROCESS-AUTO. Rigaku Corporation, Tokyo, Japan.]); cell refinement: PROCESS-AUTO; data reduction: CrystalStructure (Rigaku/MSC, 2004[Rigaku/MSC (2004). CrystalStructure. Rigaku/MSC, The Woodlands, Texas, USA.]), and Larson (1970[Larson, A. C. (1970). Crystallographic Computing, edited by F. R. Ahmed, S. R. Hall & C. P. Huber, pp. 291-294. Copenhagen: Munksgaard.]); program(s) used to solve structure: SIR97 (Altomare et al., 1999[Altomare, A., Burla, M. C., Camalli, M., Cascarano, G. L., Giacovazzo, C., Guagliardi, A., Moliterni, A. G. G., Polidori, G. & Spagna, R. (1999). J. Appl. Cryst. 32, 115-119.]); program(s) used to refine structure: CRYSTALS (Betteridge et al., 2003[Betteridge, P. W., Carruthers, J. R., Cooper, R. I., Prout, K. & Watkin, D. J. (2003). J. Appl. Cryst. 36, 1487.]); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997[Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.]); software used to prepare material for publication: CrystalStructure.

Supporting information


Comment top

The title compound is impurity of venlafaxine, which is a presentative of a novel group of antidepressants and is characterized by its ability to inhibit selectively the presynaptic reuptake of both serotonin and noradrenaline (Vega et al., 2009; Yardley et al., 1990). The asymmetric unit of the title compound contains a C17H24NO+ cation and a Cl- anion. The ethylammonium N atom, N1, shows quatarnary character due to proton transfer from HCl and consequently bears the positive charge in the molecular cation. The N1 bond angles range from 108 to 115°, confirming the tetrahedral bond configuration, which is similar to that of venlafaxine hydrochloride (Vega et al., 2009). An intermolecular hydrogen bond N1—H101···Cl1 is formed between atom Cl and atom N of ethylammonium. This hydrogen bond and a weak intermolecular interaction C17—H173···Cl1i [symmetry code: (i) 1/2 - x, 1/2 + y, z)] link the molecules into a chain along the b axis (Fig. 2). Crystal packing is stabilized by these hydrogen-bond interactions and intermolecular interactions. In the crystal structure of the title compound, the cyclohexa-1,4-diene ring C2–C7 is almost planar, with a maximum deviation of 0.024 (4) Å at C4, which is revealed by torsion angle C2—C3—C4—C5 of -3.6 (6)° and C5—C6—C7—C2 of 0.5 (8)°. This cyclohexadiene plane forms dihedral angle of 66.4 (1)° with the benzene C8–C13 ring plane.

Related literature top

The title compound is impurity of venlafaxine, one of a novel group of antidepressants characterized by their ability to inhibit selectively the presynaptic reuptake of both serotonin and noradrenaline, see: Vega et al. (2000); Yardley et al. (1990).

Experimental top

The crude product is supplied by Zhejiang Menovo Pharmaceutical Co., LTD. It was recrystallized from an ethanol solution, giving colorless crystals of (1) suitable for X-ray diffraction.

Refinement top

All H atoms were placed in calculated positions with C—H = 0.93–0.98 Å and N—H = 0.86 Å and included in the refinement in riding model, with Uiso(H) = 1.2Ueq(carrier atom).

Computing details top

Data collection: PROCESS-AUTO (Rigaku, 1998); cell refinement: PROCESS-AUTO (Rigaku, 1998); data reduction: CrystalStructure (Rigaku/MSC, 2004) and Larson (1970); program(s) used to solve structure: SIR97 (Altomare et al., 1999); 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. A view of (1). Displacement ellipsoids are drawn at 40% probability level and H atoms are shown as small circles of arbitrary radii.
[Figure 2] Fig. 2. A chain of molecules in (1). Displacement ellipsoids are drawn at the 30% probability level and molecular interactions are shown in dashed lines [symmetry code: (i) 1/2 - x, 1/2 + y, z); (ii) 1/2 - x, -1/2 + y,z].
2-(Cyclohexa-1,4-dienyl)-2-(4-methoxyphenyl)-N,N-dimethylethanaminium chloride top
Crystal data top
C17H24NO+·ClF(000) = 1264.00
Mr = 293.84Dx = 1.109 Mg m3
Orthorhombic, PbcaMo Kα radiation, λ = 0.71075 Å
Hall symbol: -P 2ac 2abCell parameters from 14141 reflections
a = 11.1245 (7) Åθ = 3.4–27.4°
b = 10.9248 (6) ŵ = 0.21 mm1
c = 28.9651 (16) ÅT = 296 K
V = 3520.2 (4) Å3Chunk, colorless
Z = 80.32 × 0.28 × 0.10 mm
Data collection top
Rigaku R-AXIS RAPID
diffractometer
2102 reflections with F2 > 2σ(F2)
Detector resolution: 10.00 pixels mm-1Rint = 0.081
ω scansθmax = 27.4°
Absorption correction: multi-scan
(ABSCOR; Higashi, 1995)
h = 1414
Tmin = 0.927, Tmax = 0.979k = 1414
32170 measured reflectionsl = 3737
4010 independent reflections
Refinement top
Refinement on F2 w = 1/[0.0003Fo2 + 1.2σ(Fo2)]/(4Fo2)
R[F2 > 2σ(F2)] = 0.060(Δ/σ)max < 0.001
wR(F2) = 0.140Δρmax = 0.61 e Å3
S = 1.00Δρmin = 0.46 e Å3
4010 reflectionsExtinction correction: Larson (1970)
182 parametersExtinction coefficient: 41 (8)
H-atom parameters constrained
Crystal data top
C17H24NO+·ClV = 3520.2 (4) Å3
Mr = 293.84Z = 8
Orthorhombic, PbcaMo Kα radiation
a = 11.1245 (7) ŵ = 0.21 mm1
b = 10.9248 (6) ÅT = 296 K
c = 28.9651 (16) Å0.32 × 0.28 × 0.10 mm
Data collection top
Rigaku R-AXIS RAPID
diffractometer
4010 independent reflections
Absorption correction: multi-scan
(ABSCOR; Higashi, 1995)
2102 reflections with F2 > 2σ(F2)
Tmin = 0.927, Tmax = 0.979Rint = 0.081
32170 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.060182 parameters
wR(F2) = 0.140H-atom parameters constrained
S = 1.00Δρmax = 0.61 e Å3
4010 reflectionsΔρmin = 0.46 e Å3
Special details top

Geometry. ENTER SPECIAL DETAILS OF THE MOLECULAR GEOMETRY

Refinement. Refinement was performed 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
Cl10.42790 (7)0.47986 (7)0.74727 (3)0.0737 (2)
O10.4316 (3)1.1886 (2)0.52350 (11)0.1084 (15)
N10.3030 (2)0.7155 (2)0.71965 (8)0.0560 (8)
C10.3672 (4)0.7774 (3)0.63900 (12)0.0798 (15)
C20.4533 (3)0.6719 (3)0.63249 (10)0.0648 (12)
C30.4132 (3)0.5682 (3)0.61543 (14)0.1020 (16)
C40.4901 (5)0.4576 (3)0.60790 (19)0.107 (2)
C50.6194 (5)0.4795 (5)0.6190 (2)0.116 (3)
C60.6589 (4)0.5804 (5)0.6361 (2)0.113 (2)
C70.5830 (3)0.6861 (3)0.64451 (12)0.0966 (16)
C80.3907 (3)0.8877 (3)0.60874 (12)0.0673 (12)
C90.3342 (3)0.8903 (3)0.56642 (14)0.0884 (14)
C100.3462 (4)0.9886 (4)0.53674 (14)0.1093 (18)
C110.4152 (5)1.0848 (4)0.54957 (16)0.1011 (18)
C120.4754 (3)1.0832 (3)0.59101 (16)0.0911 (15)
C130.4636 (3)0.9849 (3)0.62048 (12)0.0743 (13)
C140.3725 (6)1.1963 (5)0.48060 (16)0.111 (3)
C150.3360 (3)0.8142 (3)0.68660 (11)0.0880 (15)
C160.1802 (2)0.6651 (2)0.71478 (12)0.0803 (13)
C170.3200 (3)0.7682 (2)0.76629 (10)0.0716 (11)
H10.29120.74520.62690.096*
H30.33220.56320.60760.122*
H50.67410.41700.61330.139*
H60.74010.58590.64340.136*
H90.28670.82430.55760.106*
H100.30740.98860.50830.131*
H120.52441.14870.59920.109*
H130.50480.98410.64840.089*
H410.46060.39190.62740.129*
H420.48390.43340.57580.129*
H710.58800.70570.67710.116*
H720.61470.75380.62660.116*
H1010.35330.65640.71630.067*
H1410.41081.14240.45890.133*
H1420.37661.27890.46940.133*
H1430.28991.17280.48430.133*
H1510.26830.86990.68470.106*
H1520.40490.85690.69930.106*
H1610.16570.60660.73890.096*
H1620.17260.62560.68530.096*
H1630.12270.73030.71700.096*
H1710.39860.80400.76840.086*
H1720.31220.70470.78900.086*
H1730.26030.82990.77170.086*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Cl10.0623 (5)0.0523 (4)0.1064 (6)0.0042 (4)0.0143 (5)0.0124 (5)
O10.131 (4)0.092 (2)0.103 (2)0.038 (2)0.040 (2)0.0221 (18)
N10.0502 (18)0.0466 (15)0.0711 (17)0.0117 (13)0.0113 (14)0.0100 (14)
C10.104 (4)0.053 (2)0.082 (2)0.022 (2)0.022 (2)0.011 (2)
C20.077 (2)0.054 (2)0.063 (2)0.012 (2)0.007 (2)0.0001 (17)
C30.086 (3)0.061 (2)0.158 (3)0.008 (2)0.018 (2)0.036 (2)
C40.123 (5)0.065 (3)0.134 (5)0.000 (3)0.001 (4)0.009 (3)
C50.116 (5)0.102 (6)0.129 (8)0.013 (4)0.003 (5)0.003 (5)
C60.099 (4)0.108 (5)0.134 (7)0.011 (4)0.005 (4)0.009 (5)
C70.101 (3)0.104 (3)0.085 (2)0.004 (2)0.017 (2)0.013 (2)
C80.089 (2)0.050 (2)0.063 (2)0.017 (2)0.020 (2)0.0053 (18)
C90.112 (3)0.082 (2)0.071 (2)0.000 (2)0.005 (2)0.012 (2)
C100.155 (4)0.111 (3)0.062 (2)0.047 (3)0.008 (2)0.004 (2)
C110.162 (5)0.063 (2)0.078 (3)0.036 (3)0.050 (3)0.020 (2)
C120.125 (3)0.061 (2)0.088 (2)0.005 (2)0.031 (2)0.007 (2)
C130.099 (3)0.058 (2)0.066 (2)0.010 (2)0.015 (2)0.002 (2)
C140.133 (9)0.105 (6)0.095 (3)0.036 (6)0.035 (4)0.036 (3)
C150.109 (3)0.071 (2)0.084 (2)0.026 (2)0.032 (2)0.029 (2)
C160.050 (2)0.067 (2)0.124 (3)0.004 (2)0.016 (2)0.010 (2)
C170.068 (2)0.069 (2)0.077 (2)0.000 (2)0.0014 (18)0.0100 (18)
Geometric parameters (Å, º) top
O1—C111.374 (5)C3—H30.930
O1—C141.408 (6)C4—H410.970
N1—C151.488 (4)C4—H420.970
N1—C161.479 (4)C5—H50.930
N1—C171.481 (3)C6—H60.930
C1—C21.511 (5)C7—H710.970
C1—C81.513 (4)C7—H720.970
C1—C151.478 (4)C9—H90.930
C2—C31.315 (5)C10—H100.930
C2—C71.492 (4)C12—H120.930
C3—C41.496 (6)C13—H130.930
C4—C51.493 (8)C14—H1410.960
C5—C61.286 (8)C14—H1420.960
C6—C71.451 (6)C14—H1430.960
C8—C91.378 (5)C15—H1510.970
C8—C131.378 (5)C15—H1520.970
C9—C101.381 (6)C16—H1610.960
C10—C111.354 (7)C16—H1620.960
C11—C121.375 (6)C16—H1630.960
C12—C131.379 (5)C17—H1710.960
N1—H1010.860C17—H1720.960
C1—H10.980C17—H1730.960
C11—O1—C14118.2 (3)C6—C5—H5118.3
C15—N1—C16115.9 (2)C5—C6—H6118.4
C15—N1—C17105.9 (2)C7—C6—H6118.4
C16—N1—C17110.5 (2)C2—C7—H71107.8
C2—C1—C8115.2 (3)C2—C7—H72107.8
C2—C1—C15118.2 (2)C6—C7—H71107.8
C8—C1—C15111.4 (2)C6—C7—H72107.8
C1—C2—C3119.3 (3)H71—C7—H72109.5
C1—C2—C7120.3 (3)C8—C9—H9119.1
C3—C2—C7120.4 (3)C10—C9—H9119.1
C2—C3—C4123.8 (4)C9—C10—H10120.4
C3—C4—C5113.0 (4)C11—C10—H10120.4
C4—C5—C6123.3 (5)C11—C12—H12119.9
C5—C6—C7123.3 (5)C13—C12—H12119.9
C2—C7—C6116.1 (3)C8—C13—H13119.9
C1—C8—C9116.9 (3)C12—C13—H13119.9
C1—C8—C13124.9 (3)O1—C14—H141109.5
C9—C8—C13118.1 (3)O1—C14—H142109.5
C8—C9—C10121.7 (3)O1—C14—H143109.5
C9—C10—C11119.2 (4)H141—C14—H142109.5
O1—C11—C10124.4 (4)H141—C14—H143109.5
O1—C11—C12115.2 (4)H142—C14—H143109.5
C10—C11—C12120.4 (4)N1—C15—H151107.4
C11—C12—C13120.3 (3)N1—C15—H152107.4
C8—C13—C12120.3 (3)C1—C15—H151107.4
N1—C15—C1117.4 (2)C1—C15—H152107.4
C15—N1—H101108.1H151—C15—H152109.5
C16—N1—H101108.1N1—C16—H161109.5
C17—N1—H101108.1N1—C16—H162109.5
C2—C1—H1103.2N1—C16—H163109.5
C8—C1—H1103.2H161—C16—H162109.5
C15—C1—H1103.2H161—C16—H163109.5
C2—C3—H3118.1H162—C16—H163109.5
C4—C3—H3118.1N1—C17—H171109.5
C3—C4—H41108.6N1—C17—H172109.5
C3—C4—H42108.6N1—C17—H173109.5
C5—C4—H41108.6H171—C17—H172109.5
C5—C4—H42108.6H171—C17—H173109.5
H41—C4—H42109.5H172—C17—H173109.5
C4—C5—H5118.3
C14—O1—C11—C100.3 (6)C3—C2—C7—C60.2 (3)
C14—O1—C11—C12180.0 (4)C7—C2—C3—C41.6 (5)
C16—N1—C15—C177.4 (4)C2—C3—C4—C53.6 (6)
C17—N1—C15—C1159.8 (3)C3—C4—C5—C64.3 (8)
C2—C1—C8—C990.1 (4)C4—C5—C6—C72.9 (10)
C2—C1—C8—C1390.2 (4)C5—C6—C7—C20.5 (8)
C8—C1—C2—C3113.9 (3)C1—C8—C9—C10177.8 (3)
C8—C1—C2—C765.0 (4)C1—C8—C13—C12177.6 (3)
C2—C1—C15—N146.9 (5)C9—C8—C13—C122.1 (5)
C15—C1—C2—C3110.9 (4)C13—C8—C9—C101.9 (6)
C15—C1—C2—C770.2 (4)C8—C9—C10—C110.1 (5)
C8—C1—C15—N1176.3 (3)C9—C10—C11—O1178.4 (4)
C15—C1—C8—C9131.7 (3)C9—C10—C11—C121.9 (7)
C15—C1—C8—C1348.0 (5)O1—C11—C12—C13178.6 (4)
C1—C2—C3—C4179.5 (3)C10—C11—C12—C131.7 (7)
C1—C2—C7—C6178.7 (3)C11—C12—C13—C80.3 (6)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H101···Cl10.862.283.033 (2)146
C17—H173···Cl1i0.962.753.641 (3)155
Symmetry code: (i) x+1/2, y+1/2, z.

Experimental details

Crystal data
Chemical formulaC17H24NO+·Cl
Mr293.84
Crystal system, space groupOrthorhombic, Pbca
Temperature (K)296
a, b, c (Å)11.1245 (7), 10.9248 (6), 28.9651 (16)
V3)3520.2 (4)
Z8
Radiation typeMo Kα
µ (mm1)0.21
Crystal size (mm)0.32 × 0.28 × 0.10
Data collection
DiffractometerRigaku R-AXIS RAPID
diffractometer
Absorption correctionMulti-scan
(ABSCOR; Higashi, 1995)
Tmin, Tmax0.927, 0.979
No. of measured, independent and
observed [F2 > 2σ(F2)] reflections
32170, 4010, 2102
Rint0.081
(sin θ/λ)max1)0.648
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.060, 0.140, 1.00
No. of reflections4010
No. of parameters182
No. of restraints?
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.61, 0.46

Computer programs: PROCESS-AUTO (Rigaku, 1998), CrystalStructure (Rigaku/MSC, 2004) and Larson (1970), SIR97 (Altomare et al., 1999), CRYSTALS (Betteridge et al., 2003), ORTEP-3 for Windows (Farrugia, 1997), CrystalStructure (Rigaku/MSC, 2004).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H101···Cl10.862.283.033 (2)146
C17—H173···Cl1i0.962.753.641 (3)155
Symmetry code: (i) x+1/2, y+1/2, z.
 

Acknowledgements

This project was supported by the Zhejiang Provincial Natural Science Foundation of China.

References

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Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
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