Synthesis of Dibenzosuberones Bearing an Isoxazole Group via Palladium-Catalyzed Intramolecular C-H/C-Br Bond Cross-Coupling of Ortho-Aroylated 3,5-Diarylisoxazoles.
Chao, Tung; Su, Zhe-Hong; Yen, Ko-Wang; Wu, Ming-Jung; Chu, Jean-Ho; The Journal of organic chemistry  (2020) –; doi:10.1021/acs.joc.0c00346

data_4038179
_publ_section_title
;
 Synthesis of Dibenzosuberones Bearing an Isoxazole Group via
 Palladium-Catalyzed Intramolecular C-H/C-Br Bond Cross-Coupling of
 Ortho-Aroylated 3,5-Diarylisoxazoles.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.0c00346
_journal_year                    2020
_chemical_formula_moiety         'C23 H15 N O3'
_chemical_formula_sum            'C23 H15 N O3'
_chemical_formula_weight         353.36
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_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                112.013(3)
_cell_angle_beta                 90.901(3)
_cell_angle_gamma                96.228(2)
_cell_formula_units_Z            2
_cell_length_a                   8.9312(5)
_cell_length_b                   9.4412(5)
_cell_length_c                   10.9587(6)
_cell_measurement_reflns_used    3956
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.15
_cell_measurement_theta_min      2.44
_cell_volume                     850.04(8)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2005)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX2'
_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  0.0215
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6761
_diffrn_reflns_theta_full        25.27
_diffrn_reflns_theta_max         25.27
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9854
_exptl_absorpt_correction_T_min  0.9350
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             368
_exptl_crystal_size_max          0.74
_exptl_crystal_size_mid          0.41
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.168
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3077
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0475
_refine_ls_R_factor_gt           0.0397
_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^)+(0.0782P)^2^+0.1318P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1152
_refine_ls_wR_factor_ref         0.1259
_reflns_number_gt                2621
_reflns_number_total             3077
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0c00346_si_006.cif
_cod_data_source_block           ch19997
_cod_original_cell_volume        850.03(8)
_cod_database_code               4038179