Two 1,4-dihydropyridine derivatives with potential calcium-channel antagonist activity
Linden, Anthony; Şafak, Cihat; Şimşek, Rahime; Gündüz, Miyase G.; Acta Crystallographica Section C 67 (2011) o80–o84; doi:10.1107/S0108270111003362

data_2017992
_publ_section_title
;
 Two 1,4-dihydropyridine derivatives with potential calcium-channel
 antagonist activity
;
_journal_coeditor_code           SK3400
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o80
_journal_page_last               o84
_journal_paper_doi               10.1107/S0108270111003362
_journal_volume                  67
_journal_year                    2011
_chemical_formula_moiety         'C26 H24 F4 N2 O3'
_chemical_formula_sum            'C26 H24 F4 N2 O3'
_chemical_formula_weight         488.48
_chemical_melting_point          462
_chemical_name_systematic
;
3-pyridylmethyl 4-[2-fluoro-3-(trifluoromethyl)phenyl]-2,6,6-trimethyl-5-
oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.5683(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3696(2)
_cell_length_b                   9.2177(2)
_cell_length_c                   21.9577(3)
_cell_measurement_reflns_used    5555
_cell_measurement_temperature    160.0(10)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.0
_cell_volume                     2298.89(7)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2000)'
_computing_data_reduction
;
DENZO-SMN and SCALEPACK (Otwinowski & Minor, 1997)
;
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material
;
SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>, 1994)'
_diffrn_ambient_temperature      160.0(10)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\f and \w scans with \k offsets'
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'Nonius FR590 sealed tube generator'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0560
_diffrn_reflns_av_sigmaI/netI    0.0399
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            49934
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         2.40
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.294
_refine_diff_density_min         -0.268
_refine_ls_extinction_coef       0.0058(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     324
_refine_ls_number_reflns         5242
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0758
_refine_ls_R_factor_gt           0.0489
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0602P)^2^+0.8787P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1152
_refine_ls_wR_factor_ref         0.1331
_reflns_number_gt                3791
_reflns_number_total             5242
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk3400.cif
_cod_data_source_block           II
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2017992
_cod_database_fobs_code          2017992