Literature DB >> 25484794

Crystallographic study of PET radio-tracers in clinical evaluation for early diagnosis of Alzheimers.

Angela Altomare1, Elena Capparelli2, Antonio Carrieri2, Nicola A Colabufo3, Anna Moliterni1, Rosanna Rizzi1, Dritan Siliqi1.   

Abstract

The title compound, C24H25NO3·2CH3OH, which crystallized as a methanol disolvate, has applications as a PET radiotracer in the early diagnosis of Alzheimer's disease. The dihedral angle between the biphenyl rings is 8.2 (2)° and the heterocyclic ring adopts a half-chair conformation with the N atom adopting a pyramidal geometry (bond-angle sum = 327.6°). The C atoms of both meth-oxy groups lie close to the plane of their attached ring [deviations = 0.107 (6) and 0.031 (6) Å]. In the crystal, the components are linked by O-H⋯O and O-H⋯N hydrogen bonds, generating [010] chains. C-H⋯O inter-actions are also observed.

Entities:  

Keywords:  P-glycoprotein inhibitor; PET radiotracer; crystal structure; hydrogen bonds; ligands

Year:  2014        PMID: 25484794      PMCID: PMC4257311          DOI: 10.1107/S1600536814021400

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For pharmacological and biological studies of the title compound, see Colabufo et al. (2008 ▶, 2009 ▶).

Experimental

Crystal data

C24H25NO3·2CH4O M = 439.53 Monoclinic, a = 8.894 (2) Å b = 13.7187 (16) Å c = 10.680 (2) Å β = 111.575 (17)° V = 1211.8 (4) Å3 Z = 2 Mo Kα radiation μ = 0.08 mm−1 T = 293 K 0.30 × 0.30 × 0.15 mm

Data collection

Bruker–Nonius KappaCCD diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 2008a ▶) T min = 0.921, T max = 0.988 14813 measured reflections 5436 independent reflections 2610 reflections with I > 2σ(I) R int = 0.116

Refinement

R[F 2 > 2σ(F 2)] = 0.061 wR(F 2) = 0.115 S = 0.96 5436 reflections 305 parameters 1 restraint H atoms treated by a mixture of independent and constrained refinement Δρmax = 0.17 e Å−3 Δρmin = −0.15 e Å−3

Data collection: COLLECT (Nonius, 2002 ▶); cell determination and refinement: DIRAX (Duisenberg,1992 ▶; Duisenberg et al., 2000 ▶); data reduction: EVAL (Nonius, 2002 ▶; Duisenberg et al., 2003 ▶); program(s) used to solve structure: SIR2011 (Burla et al., 2012 ▶); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2008b ▶); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012 ▶) and EXPO2013 (Altomare et al., 2013 ▶); software used to prepare material for publication: WinGX (Farrugia, 2012 ▶) and publCIF (Westrip, 2010 ▶). Crystal structure: contains datablock(s) I, global. DOI: 10.1107/S1600536814021400/hb7266sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536814021400/hb7266Isup2.hkl Click here for additional data file. Supporting information file. DOI: 10.1107/S1600536814021400/hb7266Isup3.docx Click here for additional data file. . DOI: 10.1107/S1600536814021400/hb7266fig1.tif The mol­ecular structure of the MC70 compound with displacement ellipsoids drawn at the 50% probability level. Click here for additional data file. . DOI: 10.1107/S1600536814021400/hb7266fig2.tif Crystal packing of the MC70 compound. The light blue dashed lines show the hydrogen bonds (see Table 1 for details). CCDC reference: 915609 Additional supporting information: crystallographic information; 3D view; checkCIF report
C24H25NO3·2CH4OF(000) = 472
Mr = 439.53Dx = 1.205 Mg m3
Monoclinic, P21Mo Kα radiation, λ = 0.71073 Å
a = 8.894 (2) ÅCell parameters from 130 reflections
b = 13.7187 (16) Åθ = 2.9–26.6°
c = 10.680 (2) ŵ = 0.08 mm1
β = 111.575 (17)°T = 293 K
V = 1211.8 (4) Å3Needle, yellow
Z = 20.30 × 0.30 × 0.15 mm
Bruker–Nonius KappaCCD diffractometer5436 independent reflections
Radiation source: fine-focus sealed tube2610 reflections with I > 2σ(I)
Detector resolution: 9.091 pixels mm-1Rint = 0.116
φ scans and ω scansθmax = 27.5°, θmin = 5.1°
Absorption correction: multi-scan (SADABS; Sheldrick, 2008a)h = −11→11
Tmin = 0.921, Tmax = 0.988k = −16→17
14813 measured reflectionsl = −13→13
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.061Hydrogen site location: mixed
wR(F2) = 0.115H atoms treated by a mixture of independent and constrained refinement
S = 0.96w = 1/[σ2(Fo2) + (0.0345P)2] where P = (Fo2 + 2Fc2)/3
5436 reflections(Δ/σ)max < 0.001
305 parametersΔρmax = 0.17 e Å3
1 restraintΔρmin = −0.15 e Å3
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 > 2σ(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.
xyzUiso*/Ueq
O10.4571 (4)0.0371 (2)0.1278 (3)0.0510 (9)
O20.2161 (4)0.4009 (3)0.3492 (4)0.0591 (10)
H2O0.284 (6)0.426 (4)0.307 (5)0.061 (15)*
O30.1944 (4)0.0677 (2)−0.0770 (4)0.0660 (10)
O4−0.0551 (4)1.1537 (3)0.4038 (4)0.0686 (11)
H4O−0.058 (7)1.200 (4)0.337 (6)0.09 (2)*
N10.4249 (4)0.4745 (3)0.2281 (4)0.0448 (10)
C10.2616 (5)0.8125 (3)0.3304 (4)0.0390 (10)
C20.1761 (5)0.9019 (3)0.3470 (4)0.0409 (11)
C30.4907 (6)0.2102 (4)0.1807 (5)0.0464 (12)
H30.58710.19980.25300.056*
C40.4297 (5)0.3056 (4)0.1500 (5)0.0450 (12)
C50.4095 (6)0.1326 (3)0.1054 (5)0.0450 (12)
C60.3543 (6)0.6482 (3)0.3954 (5)0.0540 (13)
H60.35560.59360.44750.065*
C70.5309 (5)0.5553 (3)0.3000 (5)0.0532 (14)
H7A0.60290.57190.25350.064*
H7B0.59690.53390.39000.064*
O5−0.0663 (6)0.3050 (3)0.2485 (5)0.0724 (12)
H5O0.007 (9)0.331 (6)0.259 (8)0.12 (4)*
C80.5275 (5)0.3884 (3)0.2354 (5)0.0519 (13)
H8A0.57660.36710.32830.062*
H8B0.61360.40610.20450.062*
C90.2058 (6)0.2421 (3)−0.0333 (5)0.0510 (13)
H90.11020.2529−0.10630.061*
C100.0835 (6)0.9047 (4)0.4265 (5)0.0532 (13)
H100.07090.84770.46880.064*
C110.2866 (5)0.3213 (3)0.0452 (5)0.0456 (12)
C120.2151 (6)0.4222 (3)0.0158 (5)0.0514 (13)
H12A0.12420.42680.04520.062*
H12B0.17500.4335−0.08060.062*
C130.3421 (6)0.8087 (3)0.2410 (4)0.0491 (12)
H130.33780.86210.18620.059*
C140.1866 (6)0.9887 (3)0.2849 (6)0.0602 (15)
H140.24640.99060.22950.072*
C150.3377 (6)0.5000 (3)0.0859 (5)0.0527 (14)
H15A0.41420.50690.04110.063*
H15B0.28310.56190.08030.063*
C160.2641 (6)0.1490 (4)−0.0050 (5)0.0469 (11)
C170.2690 (6)0.7294 (3)0.4065 (5)0.0542 (14)
H170.21510.72850.46640.065*
C180.4376 (5)0.6453 (3)0.3097 (5)0.0459 (12)
C190.0090 (6)0.9887 (4)0.4456 (5)0.0578 (14)
H19−0.05020.98770.50150.069*
C200.0220 (6)1.0731 (4)0.3825 (5)0.0522 (13)
C210.4286 (6)0.7268 (3)0.2323 (5)0.0538 (13)
H210.48230.72700.17230.065*
C220.1113 (7)1.0729 (4)0.3026 (6)0.0646 (15)
H220.12161.13000.25940.078*
C230.0516 (7)0.0832 (5)−0.1916 (6)0.0864 (19)
H23A0.01250.0219−0.23460.130*
H23B0.07500.1257−0.25350.130*
H23C−0.02930.1126−0.16410.130*
C240.3132 (7)0.3394 (4)0.4543 (6)0.0847 (19)
H24A0.25170.31760.50630.127*
H24B0.40620.37490.51120.127*
H24C0.34750.28410.41650.127*
C250.6072 (7)0.0187 (4)0.2328 (6)0.0707 (17)
H25A0.6324−0.04940.23450.106*
H25B0.60060.03710.31740.106*
H25C0.69030.05610.21790.106*
C26−0.1413 (7)0.2993 (5)0.1057 (6)0.0846 (19)
H26A−0.17240.36340.06940.127*
H26B−0.23530.25850.08210.127*
H26C−0.06650.27210.06940.127*
U11U22U33U12U13U23
O10.052 (2)0.045 (2)0.058 (2)0.0013 (16)0.0214 (19)−0.0015 (16)
O20.045 (2)0.069 (2)0.061 (2)0.0081 (19)0.0175 (19)0.016 (2)
O30.060 (2)0.054 (2)0.067 (3)−0.0115 (19)0.004 (2)−0.016 (2)
O40.079 (3)0.058 (2)0.085 (3)0.008 (2)0.049 (2)−0.005 (3)
N10.039 (2)0.045 (2)0.045 (3)−0.0019 (19)0.0086 (18)−0.0088 (19)
C10.037 (3)0.045 (3)0.034 (3)−0.009 (2)0.012 (2)−0.009 (2)
C20.039 (3)0.047 (3)0.035 (3)−0.006 (2)0.012 (2)−0.004 (2)
C30.042 (3)0.058 (3)0.039 (3)0.004 (3)0.014 (2)−0.008 (3)
C40.039 (3)0.051 (3)0.047 (3)−0.002 (3)0.019 (2)−0.013 (3)
C50.047 (3)0.044 (3)0.049 (3)−0.001 (2)0.023 (3)−0.005 (2)
C60.067 (3)0.040 (3)0.055 (3)−0.004 (3)0.023 (3)0.003 (3)
C70.049 (3)0.048 (3)0.062 (3)−0.004 (3)0.020 (3)−0.015 (3)
O50.071 (3)0.067 (3)0.075 (3)−0.010 (3)0.022 (2)0.001 (2)
C80.042 (3)0.047 (3)0.065 (4)0.003 (2)0.017 (3)−0.013 (3)
C90.044 (3)0.054 (3)0.047 (3)−0.002 (3)0.007 (2)−0.007 (3)
C100.061 (3)0.056 (3)0.051 (3)0.002 (3)0.030 (3)0.011 (3)
C110.043 (3)0.045 (3)0.047 (3)0.002 (2)0.014 (3)−0.009 (2)
C120.047 (3)0.050 (3)0.049 (3)0.004 (3)0.009 (2)−0.003 (3)
C130.058 (3)0.044 (3)0.048 (3)−0.003 (3)0.021 (3)−0.001 (2)
C140.070 (4)0.049 (3)0.081 (4)0.005 (3)0.052 (3)0.004 (3)
C150.054 (3)0.052 (3)0.053 (4)−0.004 (3)0.020 (3)−0.004 (3)
C160.047 (3)0.048 (3)0.047 (3)−0.007 (3)0.018 (3)−0.010 (3)
C170.070 (3)0.047 (3)0.057 (4)−0.007 (3)0.036 (3)−0.004 (3)
C180.043 (3)0.045 (3)0.046 (3)−0.004 (2)0.012 (2)−0.009 (3)
C190.062 (3)0.062 (4)0.063 (4)0.005 (3)0.039 (3)0.001 (3)
C200.049 (3)0.049 (3)0.063 (3)−0.003 (3)0.026 (3)−0.007 (3)
C210.065 (3)0.047 (3)0.057 (4)−0.008 (3)0.032 (3)−0.008 (3)
C220.074 (4)0.052 (3)0.089 (4)−0.002 (3)0.055 (4)0.007 (3)
C230.074 (4)0.078 (4)0.079 (4)−0.017 (3)−0.005 (4)−0.024 (4)
C240.074 (4)0.100 (5)0.067 (4)0.020 (4)0.010 (3)0.028 (4)
C250.069 (4)0.063 (4)0.068 (4)0.015 (3)0.012 (3)0.002 (3)
C260.078 (4)0.106 (5)0.073 (5)−0.022 (4)0.031 (4)−0.018 (4)
O1—C51.371 (5)C9—C111.399 (6)
O1—C251.415 (6)C9—H90.9300
O2—C241.415 (6)C10—C191.380 (7)
O2—H2O0.94 (5)C10—H100.9300
O3—C161.367 (6)C11—C121.508 (6)
O3—C231.419 (6)C12—C151.513 (6)
O4—C201.364 (5)C12—H12A0.9700
O4—H4O0.95 (6)C12—H12B0.9700
N1—C151.471 (6)C13—C211.383 (6)
N1—C71.475 (5)C13—H130.9300
N1—C81.477 (5)C14—C221.382 (7)
C1—C171.388 (6)C14—H140.9300
C1—C131.389 (6)C15—H15A0.9700
C1—C21.488 (6)C15—H15B0.9700
C2—C141.383 (6)C17—H170.9300
C2—C101.384 (6)C18—C211.376 (6)
C3—C51.369 (6)C19—C201.366 (6)
C3—C41.409 (6)C19—H190.9300
C3—H30.9300C20—C221.364 (6)
C4—C111.367 (6)C21—H210.9300
C4—C81.516 (6)C22—H220.9300
C5—C161.411 (6)C23—H23A0.9600
C6—C181.373 (6)C23—H23B0.9600
C6—C171.378 (6)C23—H23C0.9600
C6—H60.9300C24—H24A0.9600
C7—C181.511 (6)C24—H24B0.9600
C7—H7A0.9700C24—H24C0.9600
C7—H7B0.9700C25—H25A0.9600
O5—C261.424 (7)C25—H25B0.9600
O5—H5O0.71 (8)C25—H25C0.9600
C8—H8A0.9700C26—H26A0.9600
C8—H8B0.9700C26—H26B0.9600
C9—C161.370 (7)C26—H26C0.9600
C5—O1—C25116.7 (4)C1—C13—H13119.4
C24—O2—H2O107 (3)C22—C14—C2122.1 (5)
C16—O3—C23116.1 (4)C22—C14—H14118.9
C20—O4—H4O107 (3)C2—C14—H14118.9
C15—N1—C7110.6 (4)N1—C15—C12110.7 (4)
C15—N1—C8109.0 (4)N1—C15—H15A109.5
C7—N1—C8108.0 (3)C12—C15—H15A109.5
C17—C1—C13116.5 (4)N1—C15—H15B109.5
C17—C1—C2121.6 (4)C12—C15—H15B109.5
C13—C1—C2121.9 (4)H15A—C15—H15B108.1
C14—C2—C10115.5 (4)O3—C16—C9125.5 (4)
C14—C2—C1121.6 (4)O3—C16—C5115.2 (5)
C10—C2—C1122.8 (4)C9—C16—C5119.3 (5)
C5—C3—C4120.7 (4)C6—C17—C1121.5 (5)
C5—C3—H3119.6C6—C17—H17119.2
C4—C3—H3119.6C1—C17—H17119.2
C11—C4—C3120.0 (4)C6—C18—C21116.7 (5)
C11—C4—C8122.0 (4)C6—C18—C7120.9 (5)
C3—C4—C8118.0 (4)C21—C18—C7122.3 (5)
C3—C5—O1125.4 (5)C20—C19—C10120.2 (5)
C3—C5—C16119.3 (5)C20—C19—H19119.9
O1—C5—C16115.3 (4)C10—C19—H19119.9
C18—C6—C17122.0 (5)C22—C20—O4123.4 (5)
C18—C6—H6119.0C22—C20—C19118.8 (5)
C17—C6—H6119.0O4—C20—C19117.8 (5)
N1—C7—C18112.8 (4)C18—C21—C13122.1 (5)
N1—C7—H7A109.0C18—C21—H21119.0
C18—C7—H7A109.0C13—C21—H21119.0
N1—C7—H7B109.0C20—C22—C14120.7 (5)
C18—C7—H7B109.0C20—C22—H22119.6
H7A—C7—H7B107.8C14—C22—H22119.6
C26—O5—H5O104 (7)O3—C23—H23A109.5
N1—C8—C4111.2 (4)O3—C23—H23B109.5
N1—C8—H8A109.4H23A—C23—H23B109.5
C4—C8—H8A109.4O3—C23—H23C109.5
N1—C8—H8B109.4H23A—C23—H23C109.5
C4—C8—H8B109.4H23B—C23—H23C109.5
H8A—C8—H8B108.0O2—C24—H24A109.5
C16—C9—C11121.5 (5)O2—C24—H24B109.5
C16—C9—H9119.3H24A—C24—H24B109.5
C11—C9—H9119.3O2—C24—H24C109.5
C19—C10—C2122.7 (5)H24A—C24—H24C109.5
C19—C10—H10118.7H24B—C24—H24C109.5
C2—C10—H10118.7O1—C25—H25A109.5
C4—C11—C9119.1 (4)O1—C25—H25B109.5
C4—C11—C12120.6 (4)H25A—C25—H25B109.5
C9—C11—C12120.2 (4)O1—C25—H25C109.5
C11—C12—C15111.8 (4)H25A—C25—H25C109.5
C11—C12—H12A109.2H25B—C25—H25C109.5
C15—C12—H12A109.2O5—C26—H26A109.5
C11—C12—H12B109.2O5—C26—H26B109.5
C15—C12—H12B109.2H26A—C26—H26B109.5
H12A—C12—H12B107.9O5—C26—H26C109.5
C21—C13—C1121.1 (4)H26A—C26—H26C109.5
C21—C13—H13119.4H26B—C26—H26C109.5
C17—C1—C2—C14171.2 (5)C1—C2—C14—C22−178.2 (5)
C13—C1—C2—C14−6.9 (6)C7—N1—C15—C12−173.6 (4)
C17—C1—C2—C10−7.7 (7)C8—N1—C15—C1267.8 (5)
C13—C1—C2—C10174.2 (5)C11—C12—C15—N1−47.5 (5)
C5—C3—C4—C111.1 (6)C23—O3—C16—C91.4 (7)
C5—C3—C4—C8−178.6 (4)C23—O3—C16—C5−177.6 (4)
C4—C3—C5—O1−179.1 (4)C11—C9—C16—O3−179.2 (4)
C4—C3—C5—C160.7 (6)C11—C9—C16—C5−0.3 (7)
C25—O1—C5—C3−3.8 (6)C3—C5—C16—O3177.9 (4)
C25—O1—C5—C16176.4 (4)O1—C5—C16—O3−2.3 (5)
C15—N1—C7—C1865.8 (5)C3—C5—C16—C9−1.1 (6)
C8—N1—C7—C18−175.0 (4)O1—C5—C16—C9178.7 (4)
C15—N1—C8—C4−53.1 (5)C18—C6—C17—C10.6 (7)
C7—N1—C8—C4−173.4 (4)C13—C1—C17—C61.1 (7)
C11—C4—C8—N122.3 (6)C2—C1—C17—C6−177.0 (4)
C3—C4—C8—N1−158.0 (4)C17—C6—C18—C21−1.6 (7)
C14—C2—C10—C19−1.4 (7)C17—C6—C18—C7179.7 (4)
C1—C2—C10—C19177.6 (5)N1—C7—C18—C673.2 (6)
C3—C4—C11—C9−2.4 (6)N1—C7—C18—C21−105.4 (5)
C8—C4—C11—C9177.3 (4)C2—C10—C19—C201.5 (8)
C3—C4—C11—C12176.6 (4)C10—C19—C20—C22−0.9 (8)
C8—C4—C11—C12−3.8 (6)C10—C19—C20—O4179.4 (5)
C16—C9—C11—C42.0 (7)C6—C18—C21—C130.9 (7)
C16—C9—C11—C12−176.9 (4)C7—C18—C21—C13179.6 (4)
C4—C11—C12—C1515.9 (6)C1—C13—C21—C180.8 (8)
C9—C11—C12—C15−165.2 (4)O4—C20—C22—C14180.0 (5)
C17—C1—C13—C21−1.8 (7)C19—C20—C22—C140.4 (8)
C2—C1—C13—C21176.3 (4)C2—C14—C22—C20−0.3 (9)
C10—C2—C14—C220.8 (8)
D—H···AD—HH···AD···AD—H···A
O2—H2O···N10.94 (5)1.87 (5)2.812 (5)178 (4)
O4—H4O···O5i0.95 (6)1.71 (6)2.636 (6)165 (5)
O5—H5O···O20.71 (8)2.00 (8)2.684 (6)162 (9)
C15—H15A···O1ii0.972.503.445 (6)164
C23—H23A···O2iii0.962.563.437 (6)152
Table 1

Hydrogen-bond geometry (, )

DHA DHHA D A DHA
O2H2ON10.94(5)1.87(5)2.812(5)178(4)
O4H4OO5i 0.95(6)1.71(6)2.636(6)165(5)
O5H5OO20.71(8)2.00(8)2.684(6)162(9)
C15H15AO1ii 0.972.503.445(6)164
C23H23AO2iii 0.962.563.437(6)152

Symmetry codes: (i) ; (ii) ; (iii) .

  3 in total

1.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

2.  Multi-drug-resistance-reverting agents: 2-aryloxazole and 2-arylthiazole derivatives as potent BCRP or MRP1 inhibitors.

Authors:  Nicola A Colabufo; Francesco Berardi; Maria Grazia Perrone; Mariangela Cantore; Marialessandra Contino; Carmela Inglese; Mauro Niso; Roberto Perrone
Journal:  ChemMedChem       Date:  2009-02       Impact factor: 3.466

3.  4-Biphenyl and 2-naphthyl substituted 6,7-dimethoxytetrahydroisoquinoline derivatives as potent P-gp modulators.

Authors:  Nicola Antonio Colabufo; Francesco Berardi; Mariangela Cantore; Maria Grazia Perrone; Marialessandra Contino; Carmela Inglese; Mauro Niso; Roberto Perrone; Amalia Azzariti; Grazia Maria Simone; Angelo Paradiso
Journal:  Bioorg Med Chem       Date:  2008-02-02       Impact factor: 3.641

  3 in total
  1 in total

1.  Crystal structure of 2-methyl-1,2,3,4-tetra-hydro-iso-quinoline trihydrate.

Authors:  Felix Langenohl; Felix Otte; Carsten Strohmann
Journal:  Acta Crystallogr E Crystallogr Commun       Date:  2020-02-06
  1 in total

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