Reactions of Tetracyanoethylene with N'-Arylbenzamidines: A Route to 2-Phenyl-3H-imidazo[4,5-b]quinoline-9-carbonitriles
Styliana I. Mirallai; Maria Manoli; Panayiotis A. Koutentis; Journal of Organic Chemistry 78 (2013) 8655–8668; doi:10.1021/jo4013699

data_4028553
_publ_section_title
;
 Reactions of Tetracyanoethylene with N'-Arylbenzamidines: A Route to
 2-Phenyl-3H-imidazo[4,5-b]quinoline-9-carbonitriles
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8655
_journal_page_last               8668
_journal_paper_doi               10.1021/jo4013699
_journal_volume                  78
_journal_year                    2013
_chemical_formula_moiety         'C19 H13 N5'
_chemical_formula_sum            'C19 H13 N5'
_chemical_formula_weight         311.34
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 108.737(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.0008(18)
_cell_length_b                   12.1839(12)
_cell_length_c                   14.6705(19)
_cell_measurement_reflns_used    2012
_cell_measurement_temperature    100.05(10)
_cell_measurement_theta_max      67.5231
_cell_measurement_theta_min      3.1783
_cell_volume                     3047.0(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4223
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) x-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0180
_diffrn_reflns_av_sigmaI/netI    0.0211
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5111
_diffrn_reflns_theta_full        66.97
_diffrn_reflns_theta_max         66.97
_diffrn_reflns_theta_min         4.97
_exptl_absorpt_coefficient_mu    0.678
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.87045
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'empirical absorption correction (CrysAlis RED, Oxford Diffraction)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_description       rod
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.394
_refine_diff_density_min         -0.296
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2688
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0594
_refine_ls_R_factor_gt           0.0538
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1032P)^2^+1.8353P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1482
_refine_ls_wR_factor_ref         0.1536
_reflns_number_gt                2367
_reflns_number_total             2688
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo4013699_si_004.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4028553