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_4028552
_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         'C18 H11 N5'
_chemical_formula_sum            'C18 H11 N5'
_chemical_formula_weight         297.32
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.5138(7)
_cell_length_b                   13.2286(4)
_cell_length_c                   9.4729(3)
_cell_measurement_reflns_used    2980
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      71.8968
_cell_measurement_theta_min      3.3381
_cell_volume                     2946.59(16)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0222
_diffrn_reflns_av_sigmaI/netI    0.0250
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6161
_diffrn_reflns_theta_full        66.98
_diffrn_reflns_theta_max         66.98
_diffrn_reflns_theta_min         3.76
_exptl_absorpt_coefficient_mu    0.676
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.70530
_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    1.340
_exptl_crystal_description       rod
_exptl_crystal_F_000             1232
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.211
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.046
_refine_ls_extinction_coef       0.00040(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         2632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0432
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0548P)^2^+0.2685P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0934
_refine_ls_wR_factor_ref         0.0977
_reflns_number_gt                2247
_reflns_number_total             2632
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo4013699_si_003.cif
_cod_data_source_block           shelxl
_cod_database_code               4028552