organic compounds
1-[(4-Chlorophenyl)(phenylimino)methyl]-7-methoxy-2-naphthol–1,4-diazabicyclo[2.2.2]octane (2/1)
aDepartment of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture & Technology, 2-24-16 Naka-machi, Koganei, Tokyo 184-8588, Japan
*Correspondence e-mail: yonezawa@cc.tuat.ac.jp
In the 24H18ClNO2·C6H12N2, the 1,4-diazabicyclo[2.2.2]octane molecule is located on a twofold rotation axis and linked to the two triarylimine molecules by O—H⋯N hydrogen bonds, forming a 2:1 aggregate. C—H⋯Cl interactions are also observed. In the triarylimine molecule, the naphthalene ring system makes dihedral angles of 80.39 (6) and 82.35 (6)°, respectively, with the phenyl and benzene rings. The dihedral angle between these two latter rings is 87.09 (7)°.
of the title cocrystal, 2CRelated literature
For our study of the electrophilic aromatic aroylation of 2,7-dimethoxynaphthalene and peri-aroylnaphthalene compounds, see: Okamoto & Yonezawa (2009). For related structures, see: Hijikata et al. (2010); Mitsui, Nakaema, Noguchi & Yonezawa (2008); Mitsui, Nakaema, Noguchi, Okamoto & Yonezawa (2008); Watanabe, Nakaema, Muto et al. (2010); Watanabe, Nakaema, Nishijima et al. (2010).
Experimental
Crystal data
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Refinement
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Data collection: PROCESS-AUTO (Rigaku, 1998); cell PROCESS-AUTO; data reduction: CrystalStructure (Rigaku/MSC, 2004); program(s) used to solve structure: SIR2004 (Burla et al., 2005); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996); software used to prepare material for publication: SHELXL97.
Supporting information
10.1107/S1600536810034690/is2593sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536810034690/is2593Isup2.hkl
To a solution of 1-(4-chlorobenzoyl)-2-hydroxy-7-methoxynaphthalene (0.2 mmol, 62.8 mg) in chlorobenzene (1 ml), a mixture of aniline (0.22 mmol, 20.5 mg), TiCl4 (0.33 mmol, 62.4 mg), DABCO (1.32 mmol, 148.0 mg) and chlorobenzene (1 ml) was added by portions at 363 K under nitrogen atmosphere. After the reaction mixture was stirred at 398 K for 1.5 h, the resulting solution was filtrated to remove the precipitate. The solvent was removed under reduced pressure to give crude material. The crude material thus obtained was subjected to crystallization from CHCl3/n-hexane to give the cocrystal of triarylimines and DABCO (2/1) as colorless block (m.p. 445.6–446.0 K, yield 19.5 mg, 22%).
Spectroscopic Data: 1H NMR (300 MHz, DMSO-d6) δ; 10.13, (s, 1H), 7.66–7.60 (m, 4H), 7.44 (d, 2H), 7.00 (t, 2H), 6.95 (d, 1H), 6.86–6.76 (m, 4H), 6.52 (d, 1H), 3.64 (s, 3H), 3.29 (s, 6H); 13C NMR (75 MHz, DMSO-d6) 164.4, 158.2, 153.7, 151.0, 137.6, 135.7, 132.2, 130.3, 130.0, 129.7, 128.7, 128.2, 123.8, 122.9, 119.2, 115.1, 115.0, 114.9, 102.6, 55.1, 47.3; IR (KBr): 3407, 2937, 2592, 1625, 1585, 1509, 1227; HRMS (m/z): [M + H]+ calcd for C24H19ClNO2, 388.1110; found, 388.1104.
All the H-atoms could be located in difference Fourier maps. The O—H hydrogen atom was freely refined: O1—H1 = 0.89 (2) Å. The C-bound H-atoms were subsequently refined as riding atoms, with C—H = 0.95 (aromatic) and 0.98 (methyl) Å, and Uiso(H) = 1.2Ueq(C).
Data collection: PROCESS-AUTO (Rigaku, 1998); cell
PROCESS-AUTO (Rigaku, 1998); data reduction: CrystalStructure (Rigaku/MSC, 2004); program(s) used to solve structure: SIR2004 (Burla et al., 2005); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).C24H18ClNO2·0.5C6H12N2 | F(000) = 1864 |
Mr = 443.93 | Dx = 1.307 Mg m−3 |
Monoclinic, C2/c | Melting point = 445.6–446.0 K |
Hall symbol: -C 2yc | Cu Kα radiation, λ = 1.54187 Å |
a = 25.0027 (5) Å | Cell parameters from 33487 reflections |
b = 9.92298 (18) Å | θ = 3.6–68.2° |
c = 20.0052 (4) Å | µ = 1.71 mm−1 |
β = 114.621 (1)° | T = 193 K |
V = 4512.07 (16) Å3 | Block, colorless |
Z = 8 | 0.60 × 0.50 × 0.40 mm |
Rigaku R-AXIS RAPID diffractometer | 4125 independent reflections |
Radiation source: rotating anode | 3831 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.026 |
Detector resolution: 10.00 pixels mm-1 | θmax = 68.2°, θmin = 3.9° |
ω scans | h = −30→30 |
Absorption correction: numerical (NUMABS; Higashi, 1999) | k = −11→11 |
Tmin = 0.381, Tmax = 0.548 | l = −24→24 |
39753 measured reflections |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.034 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.097 | w = 1/[σ2(Fo2) + (0.0539P)2 + 2.6288P] where P = (Fo2 + 2Fc2)/3 |
S = 1.04 | (Δ/σ)max < 0.001 |
4125 reflections | Δρmax = 0.44 e Å−3 |
295 parameters | Δρmin = −0.32 e Å−3 |
0 restraints | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.00076 (6) |
C24H18ClNO2·0.5C6H12N2 | V = 4512.07 (16) Å3 |
Mr = 443.93 | Z = 8 |
Monoclinic, C2/c | Cu Kα radiation |
a = 25.0027 (5) Å | µ = 1.71 mm−1 |
b = 9.92298 (18) Å | T = 193 K |
c = 20.0052 (4) Å | 0.60 × 0.50 × 0.40 mm |
β = 114.621 (1)° |
Rigaku R-AXIS RAPID diffractometer | 4125 independent reflections |
Absorption correction: numerical (NUMABS; Higashi, 1999) | 3831 reflections with I > 2σ(I) |
Tmin = 0.381, Tmax = 0.548 | Rint = 0.026 |
39753 measured reflections |
R[F2 > 2σ(F2)] = 0.034 | 0 restraints |
wR(F2) = 0.097 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | Δρmax = 0.44 e Å−3 |
4125 reflections | Δρmin = −0.32 e Å−3 |
295 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 | ||
Cl1 | 0.091242 (19) | −0.01553 (5) | 0.13553 (2) | 0.06399 (16) | |
O1 | 0.39706 (5) | 0.09386 (10) | 0.35831 (6) | 0.0414 (3) | |
O2 | 0.27685 (5) | −0.16378 (10) | 0.60663 (6) | 0.0454 (3) | |
N1 | 0.30621 (5) | 0.22752 (11) | 0.43787 (6) | 0.0334 (3) | |
N2 | 0.52801 (5) | −0.05890 (12) | 0.70856 (6) | 0.0364 (3) | |
C1 | 0.35467 (5) | 0.01095 (12) | 0.43518 (7) | 0.0285 (3) | |
C2 | 0.39665 (6) | −0.00014 (13) | 0.40731 (7) | 0.0320 (3) | |
C3 | 0.43819 (6) | −0.10588 (14) | 0.43064 (8) | 0.0372 (3) | |
H3 | 0.4684 | −0.1102 | 0.4136 | 0.045* | |
C4 | 0.43495 (6) | −0.20190 (14) | 0.47761 (8) | 0.0369 (3) | |
H4 | 0.4623 | −0.2743 | 0.4916 | 0.044* | |
C5 | 0.39191 (6) | −0.19608 (13) | 0.50592 (7) | 0.0319 (3) | |
C6 | 0.38745 (6) | −0.29572 (14) | 0.55401 (8) | 0.0381 (3) | |
H6 | 0.4123 | −0.3726 | 0.5650 | 0.046* | |
C7 | 0.34832 (7) | −0.28366 (14) | 0.58474 (8) | 0.0393 (3) | |
H7 | 0.3458 | −0.3518 | 0.6167 | 0.047* | |
C8 | 0.31135 (6) | −0.16910 (14) | 0.56896 (7) | 0.0345 (3) | |
C9 | 0.31213 (6) | −0.07365 (13) | 0.51986 (7) | 0.0311 (3) | |
H9 | 0.2857 | 0.0004 | 0.5079 | 0.037* | |
C10 | 0.35246 (5) | −0.08518 (12) | 0.48682 (7) | 0.0283 (3) | |
C11 | 0.30795 (5) | 0.11744 (13) | 0.40603 (7) | 0.0296 (3) | |
C12 | 0.25612 (5) | 0.08458 (13) | 0.33587 (7) | 0.0306 (3) | |
C13 | 0.23887 (6) | −0.04876 (14) | 0.31739 (7) | 0.0347 (3) | |
H13 | 0.2624 | −0.1194 | 0.3474 | 0.042* | |
C14 | 0.18793 (6) | −0.08022 (14) | 0.25584 (8) | 0.0370 (3) | |
H14 | 0.1758 | −0.1712 | 0.2442 | 0.044* | |
C15 | 0.15531 (6) | 0.02355 (15) | 0.21194 (7) | 0.0378 (3) | |
C16 | 0.17224 (6) | 0.15721 (15) | 0.22735 (8) | 0.0396 (3) | |
H16 | 0.1498 | 0.2271 | 0.1955 | 0.048* | |
C17 | 0.22236 (6) | 0.18705 (14) | 0.28987 (7) | 0.0350 (3) | |
H17 | 0.2339 | 0.2783 | 0.3016 | 0.042* | |
C18 | 0.35302 (6) | 0.26745 (13) | 0.50447 (7) | 0.0321 (3) | |
C19 | 0.41007 (6) | 0.28720 (13) | 0.51060 (8) | 0.0355 (3) | |
H19 | 0.4198 | 0.2637 | 0.4710 | 0.043* | |
C20 | 0.45241 (6) | 0.34079 (14) | 0.57415 (8) | 0.0396 (3) | |
H20 | 0.4910 | 0.3558 | 0.5775 | 0.048* | |
C21 | 0.43962 (7) | 0.37310 (15) | 0.63327 (8) | 0.0414 (3) | |
H21 | 0.4692 | 0.4094 | 0.6770 | 0.050* | |
C22 | 0.38341 (7) | 0.35180 (15) | 0.62785 (8) | 0.0423 (3) | |
H22 | 0.3744 | 0.3725 | 0.6684 | 0.051* | |
C23 | 0.34011 (6) | 0.30065 (14) | 0.56397 (8) | 0.0385 (3) | |
H23 | 0.3014 | 0.2880 | 0.5605 | 0.046* | |
C24 | 0.24275 (8) | −0.04438 (17) | 0.59824 (10) | 0.0523 (4) | |
H24A | 0.2229 | −0.0483 | 0.6313 | 0.063* | |
H24B | 0.2133 | −0.0374 | 0.5473 | 0.063* | |
H24C | 0.2686 | 0.0345 | 0.6103 | 0.063* | |
C25 | 0.47037 (7) | 0.00787 (16) | 0.67146 (8) | 0.0437 (3) | |
H25A | 0.4462 | −0.0418 | 0.6259 | 0.052* | |
H25B | 0.4761 | 0.1008 | 0.6576 | 0.052* | |
C26 | 0.56208 (7) | 0.01255 (17) | 0.77789 (9) | 0.0462 (4) | |
H26A | 0.5679 | 0.1075 | 0.7673 | 0.055* | |
H26B | 0.6013 | −0.0299 | 0.8030 | 0.055* | |
C27 | 0.51789 (7) | −0.19821 (15) | 0.72649 (9) | 0.0432 (3) | |
H27A | 0.5562 | −0.2434 | 0.7538 | 0.052* | |
H27B | 0.4962 | −0.2491 | 0.6805 | 0.052* | |
H1 | 0.4247 (9) | 0.075 (2) | 0.3425 (11) | 0.069 (6)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0550 (3) | 0.0596 (3) | 0.0526 (3) | 0.00847 (19) | −0.0022 (2) | −0.00729 (19) |
O1 | 0.0492 (6) | 0.0401 (5) | 0.0517 (6) | 0.0113 (4) | 0.0378 (5) | 0.0121 (4) |
O2 | 0.0642 (7) | 0.0358 (5) | 0.0564 (6) | 0.0060 (5) | 0.0453 (6) | 0.0087 (5) |
N1 | 0.0348 (6) | 0.0318 (6) | 0.0381 (6) | 0.0051 (4) | 0.0197 (5) | 0.0033 (5) |
N2 | 0.0388 (6) | 0.0394 (6) | 0.0383 (6) | 0.0020 (5) | 0.0233 (5) | 0.0011 (5) |
C1 | 0.0299 (6) | 0.0273 (6) | 0.0310 (6) | 0.0027 (5) | 0.0154 (5) | 0.0006 (5) |
C2 | 0.0356 (7) | 0.0306 (7) | 0.0353 (7) | 0.0021 (5) | 0.0202 (6) | 0.0017 (5) |
C3 | 0.0366 (7) | 0.0392 (8) | 0.0454 (7) | 0.0071 (6) | 0.0265 (6) | 0.0017 (6) |
C4 | 0.0375 (7) | 0.0348 (7) | 0.0418 (7) | 0.0120 (6) | 0.0199 (6) | 0.0028 (6) |
C5 | 0.0357 (6) | 0.0296 (7) | 0.0317 (6) | 0.0040 (5) | 0.0151 (5) | 0.0002 (5) |
C6 | 0.0472 (8) | 0.0288 (7) | 0.0405 (7) | 0.0091 (6) | 0.0204 (6) | 0.0050 (5) |
C7 | 0.0549 (8) | 0.0289 (7) | 0.0404 (7) | 0.0031 (6) | 0.0261 (7) | 0.0069 (6) |
C8 | 0.0424 (7) | 0.0313 (7) | 0.0370 (7) | −0.0009 (5) | 0.0236 (6) | 0.0002 (5) |
C9 | 0.0341 (6) | 0.0284 (6) | 0.0351 (6) | 0.0029 (5) | 0.0187 (5) | 0.0014 (5) |
C10 | 0.0295 (6) | 0.0273 (6) | 0.0294 (6) | 0.0003 (5) | 0.0135 (5) | −0.0013 (5) |
C11 | 0.0328 (6) | 0.0298 (6) | 0.0348 (6) | 0.0039 (5) | 0.0224 (5) | 0.0066 (5) |
C12 | 0.0338 (6) | 0.0321 (7) | 0.0343 (6) | 0.0042 (5) | 0.0225 (5) | 0.0038 (5) |
C13 | 0.0362 (7) | 0.0322 (7) | 0.0384 (7) | 0.0052 (5) | 0.0183 (6) | 0.0059 (5) |
C14 | 0.0384 (7) | 0.0346 (7) | 0.0414 (7) | 0.0016 (6) | 0.0202 (6) | −0.0007 (6) |
C15 | 0.0362 (7) | 0.0478 (8) | 0.0324 (7) | 0.0070 (6) | 0.0173 (6) | −0.0004 (6) |
C16 | 0.0454 (8) | 0.0399 (8) | 0.0365 (7) | 0.0133 (6) | 0.0200 (6) | 0.0082 (6) |
C17 | 0.0424 (7) | 0.0316 (7) | 0.0370 (7) | 0.0052 (5) | 0.0225 (6) | 0.0043 (5) |
C18 | 0.0363 (7) | 0.0267 (6) | 0.0374 (7) | 0.0074 (5) | 0.0193 (5) | 0.0051 (5) |
C19 | 0.0397 (7) | 0.0320 (7) | 0.0430 (7) | 0.0040 (5) | 0.0256 (6) | 0.0001 (5) |
C20 | 0.0358 (7) | 0.0344 (7) | 0.0519 (8) | 0.0027 (6) | 0.0215 (6) | −0.0014 (6) |
C21 | 0.0455 (8) | 0.0357 (7) | 0.0412 (7) | 0.0047 (6) | 0.0160 (6) | −0.0004 (6) |
C22 | 0.0547 (9) | 0.0394 (8) | 0.0413 (7) | 0.0054 (6) | 0.0286 (7) | 0.0003 (6) |
C23 | 0.0393 (7) | 0.0385 (8) | 0.0463 (8) | 0.0057 (6) | 0.0263 (6) | 0.0024 (6) |
C24 | 0.0678 (10) | 0.0459 (9) | 0.0680 (10) | 0.0119 (8) | 0.0528 (9) | 0.0094 (8) |
C25 | 0.0489 (8) | 0.0494 (9) | 0.0387 (7) | 0.0110 (7) | 0.0240 (7) | 0.0070 (6) |
C26 | 0.0420 (8) | 0.0565 (10) | 0.0474 (8) | −0.0107 (7) | 0.0259 (7) | −0.0084 (7) |
C27 | 0.0516 (8) | 0.0380 (8) | 0.0494 (8) | 0.0043 (6) | 0.0305 (7) | 0.0005 (6) |
Cl1—C15 | 1.7357 (15) | C13—H13 | 0.9500 |
O1—C2 | 1.3563 (16) | C14—C15 | 1.378 (2) |
O1—H1 | 0.89 (2) | C14—H14 | 0.9500 |
O2—C8 | 1.3623 (15) | C15—C16 | 1.387 (2) |
O2—C24 | 1.4282 (18) | C16—C17 | 1.384 (2) |
N1—C11 | 1.2744 (17) | C16—H16 | 0.9500 |
N1—C18 | 1.4150 (17) | C17—H17 | 0.9500 |
N2—C26 | 1.4723 (19) | C18—C19 | 1.3937 (19) |
N2—C25 | 1.4749 (18) | C18—C23 | 1.3964 (18) |
N2—C27 | 1.4762 (19) | C19—C20 | 1.378 (2) |
C1—C2 | 1.3828 (17) | C19—H19 | 0.9500 |
C1—C10 | 1.4241 (17) | C20—C21 | 1.385 (2) |
C1—C11 | 1.5012 (17) | C20—H20 | 0.9500 |
C2—C3 | 1.4119 (19) | C21—C22 | 1.380 (2) |
C3—C4 | 1.364 (2) | C21—H21 | 0.9500 |
C3—H3 | 0.9500 | C22—C23 | 1.382 (2) |
C4—C5 | 1.4106 (18) | C22—H22 | 0.9500 |
C4—H4 | 0.9500 | C23—H23 | 0.9500 |
C5—C6 | 1.4159 (19) | C24—H24A | 0.9800 |
C5—C10 | 1.4198 (17) | C24—H24B | 0.9800 |
C6—C7 | 1.360 (2) | C24—H24C | 0.9800 |
C6—H6 | 0.9500 | C25—C26i | 1.540 (2) |
C7—C8 | 1.4154 (19) | C25—H25A | 0.9900 |
C7—H7 | 0.9500 | C25—H25B | 0.9900 |
C8—C9 | 1.3706 (18) | C26—C25i | 1.540 (2) |
C9—C10 | 1.4221 (17) | C26—H26A | 0.9900 |
C9—H9 | 0.9500 | C26—H26B | 0.9900 |
C11—C12 | 1.4966 (18) | C27—C27i | 1.545 (3) |
C12—C13 | 1.3931 (19) | C27—H27A | 0.9900 |
C12—C17 | 1.3949 (18) | C27—H27B | 0.9900 |
C13—C14 | 1.3890 (19) | ||
C2—O1—H1 | 110.6 (13) | C16—C15—Cl1 | 119.57 (11) |
C8—O2—C24 | 116.85 (10) | C17—C16—C15 | 118.87 (13) |
C11—N1—C18 | 121.58 (11) | C17—C16—H16 | 120.6 |
C26—N2—C25 | 108.56 (12) | C15—C16—H16 | 120.6 |
C26—N2—C27 | 108.21 (12) | C16—C17—C12 | 120.75 (13) |
C25—N2—C27 | 108.21 (11) | C16—C17—H17 | 119.6 |
C2—C1—C10 | 120.30 (11) | C12—C17—H17 | 119.6 |
C2—C1—C11 | 119.87 (11) | C19—C18—C23 | 118.91 (13) |
C10—C1—C11 | 119.62 (10) | C19—C18—N1 | 122.47 (11) |
O1—C2—C1 | 118.17 (11) | C23—C18—N1 | 118.32 (11) |
O1—C2—C3 | 121.60 (11) | C20—C19—C18 | 120.01 (12) |
C1—C2—C3 | 120.22 (12) | C20—C19—H19 | 120.0 |
C4—C3—C2 | 120.00 (12) | C18—C19—H19 | 120.0 |
C4—C3—H3 | 120.0 | C19—C20—C21 | 121.01 (13) |
C2—C3—H3 | 120.0 | C19—C20—H20 | 119.5 |
C3—C4—C5 | 121.48 (12) | C21—C20—H20 | 119.5 |
C3—C4—H4 | 119.3 | C22—C21—C20 | 119.17 (14) |
C5—C4—H4 | 119.3 | C22—C21—H21 | 120.4 |
C4—C5—C6 | 122.23 (12) | C20—C21—H21 | 120.4 |
C4—C5—C10 | 118.96 (12) | C21—C22—C23 | 120.57 (13) |
C6—C5—C10 | 118.79 (12) | C21—C22—H22 | 119.7 |
C7—C6—C5 | 121.37 (12) | C23—C22—H22 | 119.7 |
C7—C6—H6 | 119.3 | C22—C23—C18 | 120.31 (13) |
C5—C6—H6 | 119.3 | C22—C23—H23 | 119.8 |
C6—C7—C8 | 119.72 (12) | C18—C23—H23 | 119.8 |
C6—C7—H7 | 120.1 | O2—C24—H24A | 109.5 |
C8—C7—H7 | 120.1 | O2—C24—H24B | 109.5 |
O2—C8—C9 | 124.82 (12) | H24A—C24—H24B | 109.5 |
O2—C8—C7 | 114.39 (11) | O2—C24—H24C | 109.5 |
C9—C8—C7 | 120.79 (12) | H24A—C24—H24C | 109.5 |
C8—C9—C10 | 120.14 (12) | H24B—C24—H24C | 109.5 |
C8—C9—H9 | 119.9 | N2—C25—C26i | 110.77 (12) |
C10—C9—H9 | 119.9 | N2—C25—H25A | 109.5 |
C5—C10—C9 | 119.01 (11) | C26i—C25—H25A | 109.5 |
C5—C10—C1 | 118.81 (11) | N2—C25—H25B | 109.5 |
C9—C10—C1 | 122.18 (11) | C26i—C25—H25B | 109.5 |
N1—C11—C12 | 117.33 (11) | H25A—C25—H25B | 108.1 |
N1—C11—C1 | 126.31 (12) | N2—C26—C25i | 110.40 (11) |
C12—C11—C1 | 116.14 (11) | N2—C26—H26A | 109.6 |
C13—C12—C17 | 118.81 (12) | C25i—C26—H26A | 109.6 |
C13—C12—C11 | 120.47 (11) | N2—C26—H26B | 109.6 |
C17—C12—C11 | 120.62 (12) | C25i—C26—H26B | 109.6 |
C14—C13—C12 | 121.12 (13) | H26A—C26—H26B | 108.1 |
C14—C13—H13 | 119.4 | N2—C27—C27i | 110.45 (7) |
C12—C13—H13 | 119.4 | N2—C27—H27A | 109.6 |
C15—C14—C13 | 118.53 (13) | C27i—C27—H27A | 109.6 |
C15—C14—H14 | 120.7 | N2—C27—H27B | 109.6 |
C13—C14—H14 | 120.7 | C27i—C27—H27B | 109.6 |
C14—C15—C16 | 121.86 (13) | H27A—C27—H27B | 108.1 |
C14—C15—Cl1 | 118.57 (12) | ||
C10—C1—C2—O1 | −179.95 (12) | C2—C1—C11—C12 | 81.97 (15) |
C11—C1—C2—O1 | 5.43 (19) | C10—C1—C11—C12 | −92.69 (13) |
C10—C1—C2—C3 | −0.9 (2) | N1—C11—C12—C13 | −147.08 (12) |
C11—C1—C2—C3 | −175.50 (12) | C1—C11—C12—C13 | 27.86 (16) |
O1—C2—C3—C4 | −177.23 (13) | N1—C11—C12—C17 | 29.38 (16) |
C1—C2—C3—C4 | 3.7 (2) | C1—C11—C12—C17 | −155.68 (11) |
C2—C3—C4—C5 | −2.2 (2) | C17—C12—C13—C14 | −2.25 (18) |
C3—C4—C5—C6 | 179.21 (14) | C11—C12—C13—C14 | 174.28 (11) |
C3—C4—C5—C10 | −2.1 (2) | C12—C13—C14—C15 | 1.67 (19) |
C4—C5—C6—C7 | 175.43 (14) | C13—C14—C15—C16 | 0.5 (2) |
C10—C5—C6—C7 | −3.2 (2) | C13—C14—C15—Cl1 | −179.35 (10) |
C5—C6—C7—C8 | −0.4 (2) | C14—C15—C16—C17 | −2.0 (2) |
C24—O2—C8—C9 | −5.2 (2) | Cl1—C15—C16—C17 | 177.82 (10) |
C24—O2—C8—C7 | 174.25 (14) | C15—C16—C17—C12 | 1.4 (2) |
C6—C7—C8—O2 | −175.83 (13) | C13—C12—C17—C16 | 0.67 (18) |
C6—C7—C8—C9 | 3.7 (2) | C11—C12—C17—C16 | −175.85 (11) |
O2—C8—C9—C10 | 176.23 (12) | C11—N1—C18—C19 | 59.63 (17) |
C7—C8—C9—C10 | −3.2 (2) | C11—N1—C18—C23 | −126.69 (13) |
C4—C5—C10—C9 | −175.10 (12) | C23—C18—C19—C20 | −1.1 (2) |
C6—C5—C10—C9 | 3.62 (18) | N1—C18—C19—C20 | 172.57 (12) |
C4—C5—C10—C1 | 4.86 (18) | C18—C19—C20—C21 | 1.4 (2) |
C6—C5—C10—C1 | −176.42 (12) | C19—C20—C21—C22 | −0.4 (2) |
C8—C9—C10—C5 | −0.45 (19) | C20—C21—C22—C23 | −0.9 (2) |
C8—C9—C10—C1 | 179.60 (12) | C21—C22—C23—C18 | 1.2 (2) |
C2—C1—C10—C5 | −3.40 (18) | C19—C18—C23—C22 | −0.2 (2) |
C11—C1—C10—C5 | 171.24 (11) | N1—C18—C23—C22 | −174.12 (12) |
C2—C1—C10—C9 | 176.56 (12) | C26—N2—C25—C26i | −56.40 (14) |
C11—C1—C10—C9 | −8.81 (18) | C27—N2—C25—C26i | 60.82 (16) |
C18—N1—C11—C12 | 179.94 (11) | C25—N2—C26—C25i | 60.43 (14) |
C18—N1—C11—C1 | 5.59 (18) | C27—N2—C26—C25i | −56.79 (16) |
C2—C1—C11—N1 | −103.62 (15) | C26—N2—C27—C27i | 61.24 (19) |
C10—C1—C11—N1 | 81.72 (16) | C25—N2—C27—C27i | −56.21 (19) |
Symmetry code: (i) −x+1, y, −z+3/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N2ii | 0.89 (2) | 1.86 (2) | 2.7401 (18) | 167.2 (18) |
C20—H20···Cl1iii | 0.95 | 2.78 | 3.6071 (17) | 146 |
Symmetry codes: (ii) −x+1, −y, −z+1; (iii) x+1/2, −y+1/2, z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C24H18ClNO2·0.5C6H12N2 |
Mr | 443.93 |
Crystal system, space group | Monoclinic, C2/c |
Temperature (K) | 193 |
a, b, c (Å) | 25.0027 (5), 9.92298 (18), 20.0052 (4) |
β (°) | 114.621 (1) |
V (Å3) | 4512.07 (16) |
Z | 8 |
Radiation type | Cu Kα |
µ (mm−1) | 1.71 |
Crystal size (mm) | 0.60 × 0.50 × 0.40 |
Data collection | |
Diffractometer | Rigaku R-AXIS RAPID diffractometer |
Absorption correction | Numerical (NUMABS; Higashi, 1999) |
Tmin, Tmax | 0.381, 0.548 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 39753, 4125, 3831 |
Rint | 0.026 |
(sin θ/λ)max (Å−1) | 0.602 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.034, 0.097, 1.04 |
No. of reflections | 4125 |
No. of parameters | 295 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.44, −0.32 |
Computer programs: PROCESS-AUTO (Rigaku, 1998), CrystalStructure (Rigaku/MSC, 2004), SIR2004 (Burla et al., 2005), SHELXL97 (Sheldrick, 2008), ORTEPIII (Burnett & Johnson, 1996).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N2i | 0.89 (2) | 1.86 (2) | 2.7401 (18) | 167.2 (18) |
C20—H20···Cl1ii | 0.95 | 2.78 | 3.6071 (17) | 146 |
Symmetry codes: (i) −x+1, −y, −z+1; (ii) x+1/2, −y+1/2, z+1/2. |
Acknowledgements
The authors would express their gratitude to Professor Keiichi Noguchi for technical advice.
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.
In the course of our study on electrophilic aromatic aroylation of 2,7-dimethoxynaphthalene, peri-aroylnaphthalene compounds have proven to be formed regioselectively with the aid of suitable acidic mediators (Okamoto & Yonezawa, 2009). Recently, we reported the crystal structures of several 1,8-diaroylated naphthalene homologues exemplified by bis(4-bromobenzoyl)(2,7-dimethoxynaphthalene-1,8-diyl)dimethanone (Watanabe, Nakaema, Muto et al., 2010).
The aroyl groups in these compounds are bonded almost perpendicularly to the naphthalene rings at the 1,8-positions but the benzene ring moieties of the aroyl groups tilt slightly toward the exo sides of the naphthalene rings. Moreover, the X-ray crystal structural analyses of 1-(4-substituted benzoylated)naphthalenes, i.e., 1-(4-chlorobenzoyl)-2,7-dimethoxynaphthalene (Mitsui, Nakaema, Okamoto & Yonezawa, 2008), 1-(4-nitrobenzoyl)-2,7-dimethoxynaphthalene (Watanabe, Nakaema, Nishijima et al., 2010) and methyl 4-(2,7-dimethoxy-1-naphthoyl)benzoate (Hijikata et al., 2010), have also revealed essentially the same non-coplanar structure as the 1,8-diaroylated naphthalenes. Contrarily, the benzene ring of (4-chlorophenyl)(2-hydroxy-7-methoxynaphthalen-1-yl)methanone (Mitsui, Nakaema, Noguchi & Yonezawa, 2008) is bonded to the naphthalene ring with nearly coplanar configuration in the opposite direction against the 2-hydroxy group. This crystal structure is stabilized by intramolecular hydrogen bond between 2-hydroxy group and the carbonyl group.
As a part of our continuous study on the molecular structures of this kind of homologous molecules, we have investigated imination of aroylated naphthalene derivatives. Triarylimine has been clarified to be synthesized effectively by imination with the aid of TiCl4 and 1,4-diazabicyclo[2.2.2]octane (DABCO). The cocrystal of triarylimines and DABCO (2/1) was prepared directly from the reaction mixture.
An ORTEPIII (Burnett & Johnson, 1996) plot of the title cocrystal is shown in Fig. 1. In the crystal packing, one DABCO molecule is connected to two triarylimine molecules with two O—H···N hydrogen bonds (Fig. 2). The 2:1 comolecular unit of triarylimines and DABCO have twofold rotation symmetry, with the central DABCO molecule lying on the rotation axis. In triarylimine of the comolecular unit, the interplanar angles of phenyl ring (C18–C23) attached to nitrogen atom (N1) and benzene ring (C12–C17) attached to carbon atom (C11) against the naphthalene ring (C1–C10) are 80.39 (6) and 82.35 (6)°, respectively. Furthermore, the interplanar angle between the phenyl and benzene rings is 87.09 (7)°.
The molecular packing is mainly stabilized by intermolecular hydrogen bonds and van der Waals interactions. Triarylimine and DABCO are linked with intermolecular O—H···N hydrogen bond [O1—H1···N2 = 1.86 (2) Å]. The 2:1 comolecular units are aligned along the a axis (Fig. 3). The C—H···π interaction between the methylene hydrogen atom of DABCO molecule and the naphthalene ring is observed along the c axis [C5···H25A = 2.69 Å]. Furthermore, the hydrogen bond between the chlorine atom and the hydrogen atom of the phenyl ring (C18–C23) is observed along the b axis [Cl1···H20 = 2.78 Å].