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_4035884
_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_formula_sum            'C14 H8 Br N O2'
_chemical_formula_weight         302.12
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
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_atom_sites_solution_hydrogens   geom
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_cell_angle_alpha                90
_cell_angle_beta                 98.570(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.0534(4)
_cell_length_b                   19.6802(10)
_cell_length_c                   7.3808(4)
_cell_measurement_reflns_used    4346
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.3472
_cell_measurement_theta_min      2.5576
_cell_volume                     1156.74(10)
_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 1.000
_diffrn_measured_fraction_theta_max 0.999
_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  0.0251
_diffrn_reflns_av_unetI/netI     0.0253
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
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_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       9
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_diffrn_reflns_point_group_measured_fraction_full 1.000
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_exptl_absorpt_correction_T_max  0.9485
_exptl_absorpt_correction_T_min  0.7538
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.735
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lamellar
_exptl_crystal_F_000             600
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_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.785
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_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2362
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0335
_refine_ls_R_factor_gt           0.0280
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0340P)^2^+0.7606P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0667
_refine_ls_wR_factor_ref         0.0696
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2076
_reflns_number_total             2362
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b02857_si_001.cif
_cod_data_source_block           180137LT
_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_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4035884
_shelxl_version_number           2014/6
_shelx_res_checksum              40680
_shelx_hkl_checksum              94291