Metal-Mediated Controllable Creation of Secondary, Tertiary, and Quaternary Carbon Centers: A Powerful Strategy for the Synthesis of Iron, Cobalt, and Copper Complexes with in Situ Generated Substituted 1-Pyridineimidazo[1,5-a]pyridine Ligands
Yanmei Chen; Lei Li; Zhou Chen; Yonglu Liu; Hailiang Hu; Wenqian Chen; Wei Liu; Yahong Li; Tao Lei; Yanyuan Cao; Zhenghui Kang; Miaoshui Lin; Wu Li; Inorganic Chemistry 51 (2012) 9705–9713; doi:10.1021/ic300949y

data_4330327
_publ_section_title
;
 Metal-Mediated Controllable Creation of Secondary, Tertiary, and
 Quaternary Carbon Centers: A Powerful Strategy for the Synthesis of Iron,
 Cobalt, and Copper Complexes with in Situ Generated Substituted
 1-Pyridineimidazo[1,5-a]pyridine Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9705
_journal_page_last               9713
_journal_paper_doi               10.1021/ic300949y
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C18 H12 N4 O, C2 H4 O2 '
_chemical_formula_sum            'C20 H16 N4 O3'
_chemical_formula_weight         360.37
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                94.823(3)
_cell_angle_beta                 106.643(2)
_cell_angle_gamma                100.403(3)
_cell_formula_units_Z            2
_cell_length_a                   7.1185(3)
_cell_length_b                   11.4181(4)
_cell_length_c                   11.6674(4)
_cell_measurement_reflns_used    2221
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      20.476
_cell_measurement_theta_min      2.403
_cell_volume                     884.33(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0462
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13072
_diffrn_reflns_theta_full        26.27
_diffrn_reflns_theta_max         26.27
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.9860
_exptl_absorpt_correction_T_min  0.9814
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            light-green
_exptl_crystal_density_diffrn    1.353
_exptl_crystal_description       rod-like
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.419
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         3570
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.1026
_refine_ls_R_factor_gt           0.0599
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0963P)^2^+0.1095P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1771
_refine_ls_wR_factor_ref         0.2059
_reflns_number_gt                1963
_reflns_number_total             3570
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300949y_L1.cif
_cod_data_source_block           t
_cod_database_code               4330327