Temperature-Controlled Desulfonylative Condensation of α-Sulfonyl o-Hydroxyacetophenones and 2-Formyl Azaarenes: Synthesis of Azaaryl Aurones and Flavones.
Chang, Meng-Yang; Chen, Han-Yu; Tsai, Yu-Lin; The Journal of organic chemistry 84 (2019) 326–337; doi:10.1021/acs.joc.8b02857

data_4035889
_publ_section_title
;
 Temperature-Controlled Desulfonylative Condensation of \a-Sulfonyl
 o-Hydroxyacetophenones and 2-Formyl Azaarenes: Synthesis of Azaaryl
 Aurones and Flavones.
;
_journal_issue                   1
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              326
_journal_page_last               337
_journal_paper_doi               10.1021/acs.joc.8b02857
_journal_volume                  84
_journal_year                    2019
_chemical_absolute_configuration rm
_chemical_formula_sum            'C25 H18 Br N O4 S'
_chemical_formula_weight         508.37
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.8917(6)
_cell_length_b                   12.4954(4)
_cell_length_c                   10.8866(3)
_cell_measurement_reflns_used    9911
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.2367
_cell_measurement_theta_min      2.5633
_cell_volume                     2161.79(12)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0300
_diffrn_reflns_av_unetI/netI     0.0341
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            29073
_diffrn_reflns_point_group_measured_fraction_full 0.960
_diffrn_reflns_point_group_measured_fraction_max 0.948
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.533
_diffrn_reflns_theta_min         1.630
_exptl_absorpt_coefficient_mu    2.032
_exptl_absorpt_correction_T_max  0.9485
_exptl_absorpt_correction_T_min  0.8439
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.562
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Lump
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details
;
 Flack x determined using 1697 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.008(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         4255
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0235
_refine_ls_R_factor_gt           0.0211
_refine_ls_shift/su_max          0.037
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0261P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0520
_refine_ls_wR_factor_ref         0.0526
_reflns_Friedel_coverage         0.804
_reflns_Friedel_fraction_full    0.918
_reflns_Friedel_fraction_max     0.895
_reflns_number_gt                4015
_reflns_number_total             4255
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b02857_si_001.cif
_cod_data_source_block           180514LT
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4035889
_shelxl_version_number           2014/6
_shelx_res_checksum              8086
_shelx_hkl_checksum              85423