Sequential palladium catalyzed coupling–cyclocondensation–coupling (C3) four-component synthesis of intensively blue luminescent biarylsubstituted pyrazoles
Denißen, Melanie; Nordmann, Jan; Dziambor, Julian; Mayer, Bernhard; Frank, Walter; Müller, Thomas J. J.; RSC Adv. 5 (2015) 33838–; doi:10.1039/C5RA03104D

data_7220103
_publ_section_title
;
 Sequential palladium catalyzed coupling--cyclocondensation--coupling (C3)
 four-component synthesis of intensively blue luminescent
 biarylsubstituted pyrazoles
;
_journal_issue                   43
_journal_name_full               'RSC Adv.'
_journal_page_first              33838
_journal_paper_doi               10.1039/C5RA03104D
_journal_volume                  5
_journal_year                    2015
_chemical_formula_moiety         'C28 H22 N2'
_chemical_formula_sum            'C28 H22 N2'
_chemical_formula_weight         386.48
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-02-12 deposited with the CCDC.
2015-03-30 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1521(4)
_cell_length_b                   11.4375(4)
_cell_length_c                   19.7882(6)
_cell_measurement_reflns_used    22482
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      29.70
_cell_measurement_theta_min      2.05
_cell_volume                     2071.37(13)
_computing_cell_refinement
;
<i>CrysAlis PRO</i>, Ver.1.171.33.52 (Oxford Diffraction Ltd., 2009)
;
_computing_data_collection
;
<i>CrysAlis PRO</i>, Ver.1.171.33.52 (Oxford Diffraction Ltd., 2009)
;
_computing_data_reduction
;
<i>CrysAlis PRO</i>, Ver.1.171.33.52 (Oxford Diffraction Ltd., 2009)
;
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      291(2)
_diffrn_detector_area_resol_mean 16.2711
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_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  0.0452
_diffrn_reflns_av_sigmaI/netI    0.0237
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            14730
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.72
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.239
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.5
_refine_diff_density_max         0.112
_refine_diff_density_min         -0.093
_refine_diff_density_rms         0.024
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         3321
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0338
_refine_ls_R_factor_gt           0.0324
_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^)+(0.0571P)^2^+0.1700P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.0925
_reflns_number_gt                3212
_reflns_number_total             3321
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra03104d2.cif
_cod_data_source_block           no_134
_cod_database_code               7220103