Hydroamination of diphenylbutadiyne with secondary N-methyl-anilines using the dipotassium tetrakis(2,6-diisopropylanilino)calciate precatalyst.
Younis, Fadi M.; Krieck, Sven; Görls, Helmar; Westerhausen, Matthias; Dalton transactions (Cambridge, England : 2003) 45 (2016) 6241–6250; doi:10.1039/c5dt03818a

data_7037372
_publ_section_title
;
 Hydroamination of diphenylbutadiyne with secondary N-methyl-anilines
 using the dipotassium tetrakis(2,6-diisopropylanilino)calciate
 precatalyst.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6241
_journal_page_last               6250
_journal_paper_doi               10.1039/c5dt03818a
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C23 H19 N'
_chemical_formula_sum            'C23 H19 N'
_chemical_formula_weight         309.39
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-09-24 deposited with the CCDC.
2015-11-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.257(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.2645(2)
_cell_length_b                   22.7706(5)
_cell_length_c                   10.5374(2)
_cell_measurement_temperature    133(2)
_cell_volume                     1729.10(7)
_computing_cell_refinement       DENZO
_computing_data_collection       COLLECT
_computing_data_reduction        DENZO
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi- + omega-scan'
_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  0.0301
_diffrn_reflns_av_sigmaI/netI    0.0303
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            11309
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.14
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6322
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-AXS, 2002'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.188
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.096
_exptl_crystal_size_mid          0.085
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.195
_refine_diff_density_min         -0.166
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         3947
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0315P)^2^+0.7151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0935
_refine_ls_wR_factor_ref         0.0996
_reflns_number_gt                3367
_reflns_number_total             3947
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt03818a2.cif
_cod_data_source_block           FO4976
_cod_depositor_comments
'Adding full bibliography for 7037372--7037377.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7037372