Metal-free and atom-efficient protocol for diarylation of selenocyanate by diaryliodonium salts.
Radzhabov, Amirbek D.; Soldatova, Natalia S.; Ivanov, Daniil M.; Yusubov, Mekhman S.; Kukushkin, Vadim Yu; Postnikov, Pavel S.; Organic & biomolecular chemistry 21 (2023) 6743–6749; doi:10.1039/d3ob00833a

data_7159501
_publ_section_title
;
 Metal-free and atom-efficient protocol for diarylation of selenocyanate
 by diaryliodonium salts.
;
_journal_issue                   33
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              6743
_journal_page_last               6749
_journal_paper_doi               10.1039/d3ob00833a
_journal_volume                  21
_journal_year                    2023
_chemical_formula_moiety         'C12 H8 N2 O4 Se2'
_chemical_formula_sum            'C12 H8 N2 O4 Se2'
_chemical_formula_weight         402.12
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-01-20
_audit_creation_method
;
Olex2 1.3
(compiled 2020.07.31 svn.rc2a77460 for OlexSys, GUI svn.r6145)
;
_audit_update_record
;
2023-03-20 deposited with the CCDC.	2023-07-31 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.3270(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.19910(10)
_cell_length_b                   14.1649(2)
_cell_length_c                   12.8571(2)
_cell_measurement_reflns_used    3203
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      79.0870
_cell_measurement_theta_min      6.2360
_cell_volume                     1311.08(3)
_computing_cell_refinement       'CrysAlisPro 1.171.41.118a (Rigaku OD, 2021)'
_computing_data_collection       'CrysAlisPro 1.171.41.118a (Rigaku OD, 2021)'
_computing_data_reduction        'CrysAlisPro 1.171.41.118a (Rigaku OD, 2021)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.939
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -81.00   7.00   0.50    1.06    --  -47.35 103.00 108.00  176
  2  \w     23.00  50.00   0.50    1.06    --   47.35-103.00   5.00   54
  3  \w     58.00  83.00   0.50    1.06    --   47.35-103.00   5.00   50
  4  \w    -99.00 -47.00   0.50    3.23    -- -106.00 103.00 108.00  104
  5  \w   -131.00 -93.00   0.50    3.23    -- -106.00-103.00   5.00   76
  6  \w     42.00 103.00   0.50    3.23    --  113.25-103.00   5.00  122
  7  \w   -102.00 -77.00   0.50    1.06    --  -47.35-125.00  90.00   50
  8  \w     80.00 113.00   0.50    1.06    --   47.35 125.00 -30.00   66
  9  \w    -25.00  26.00   0.50    1.06    --   47.35 -19.00 -30.00  102
 10  \w     75.00 118.00   0.50    1.06    --   47.35 125.00  60.00   86
 11  \w    -66.00 -38.00   0.50    3.23    -- -106.00  61.00 -30.00   56
 12  \w   -116.00 -88.00   0.50    3.23    -- -106.00-125.00 -60.00   56
 13  \w    -70.00 -37.00   0.50    3.23    -- -106.00  61.00-180.00   66
 14  \w    -70.00 -37.00   0.50    3.23    -- -106.00  61.00 120.00   66
 15  \w    -69.00 -33.00   0.50    3.23    -- -106.00  61.00 -60.00   72
 16  \w   -165.00-139.00   0.50    3.23    -- -106.00-125.00 -60.00   52
 17  \w    -68.00 -38.00   0.50    3.23    -- -106.00  61.00 -90.00   60
 18  \w     73.00 102.00   0.50    3.23    --  113.25 -94.00  30.00   58
 19  \w     46.00  71.00   0.50    3.23    --  113.25 -94.00  30.00   50
 20  \w    141.00 175.00   0.50    3.23    --  113.25  45.00 -90.00   68
 21  \w    111.00 142.00   0.50    3.23    --  113.25  45.00  60.00   62
 22  \w    101.00 128.00   0.50    3.23    --  113.25  45.00 -90.00   54
 23  \w     44.00  71.00   0.50    3.23    --  113.25 -61.00   0.00   54
 24  \w     46.00  71.00   0.50    3.23    --  113.25 -61.00 -90.00   50
 25  \w     44.00  69.00   0.50    3.23    --  113.25 -61.00  30.00   50
 26  \w    117.00 167.00   0.50    3.23    --  113.25  30.00  90.00  100
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
'XtaLAB Synergy, Single source at home/near, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0491792000
_diffrn_orient_matrix_UB_12      0.0575779000
_diffrn_orient_matrix_UB_13      0.0979977000
_diffrn_orient_matrix_UB_21      -0.0962894000
_diffrn_orient_matrix_UB_22      0.0871766000
_diffrn_orient_matrix_UB_23      -0.0475013000
_diffrn_orient_matrix_UB_31      -0.1846515000
_diffrn_orient_matrix_UB_32      -0.0301299000
_diffrn_orient_matrix_UB_33      0.0500675000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0178
_diffrn_reflns_av_unetI/netI     0.0148
_diffrn_reflns_Laue_measured_fraction_full 0.985
_diffrn_reflns_Laue_measured_fraction_max 0.939
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3717
_diffrn_reflns_point_group_measured_fraction_full 0.985
_diffrn_reflns_point_group_measured_fraction_max 0.939
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         79.739
_diffrn_reflns_theta_min         6.249
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    7.214
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.74830
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.118a (Rigaku Oxford Diffraction, 2021)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    2.037
_exptl_crystal_description       prism
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.911
_refine_diff_density_min         -0.794
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         1350
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0293
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0613P)^2^+2.1966P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0817
_refine_ls_wR_factor_ref         0.0824
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1303
_reflns_number_total             1350
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ob00833a2.cif
_cod_data_source_block           3b
_cod_depositor_comments
'Adding full bibliography for 7159500--7159502.cif.'
_cod_database_code               7159501
_shelx_shelxl_version_number     2014/7
_chemical_oxdiff_formula         'C12 H8 N2 O4 Se '
_shelx_estimated_absorpt_t_max   0.373
_shelx_estimated_absorpt_t_min   0.326
_reflns_odcompleteness_completeness 97.94
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     72.42
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C6(H6), C5(H5), C3(H3)
;
_shelx_res_checksum              50949
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.405
_oxdiff_exptl_absorpt_empirical_full_min 0.724