Fluorinations of unsymmetrical diaryliodonium salts containing ortho-sidearms; influence of sidearm on selectivity.
Abudken, Ahmed M. H.; Hope, Eric G.; Singh, Kuldip; Stuart, Alison M.; Organic & biomolecular chemistry 18 (2020) 6140–6146; doi:10.1039/d0ob01401j

data_7157604
_publ_section_title
;
 Fluorinations of unsymmetrical diaryliodonium salts containing
 ortho-sidearms; influence of sidearm on selectivity.
;
_journal_issue                   31
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              6140
_journal_page_last               6146
_journal_paper_doi               10.1039/d0ob01401j
_journal_volume                  18
_journal_year                    2020
_chemical_formula_moiety         'C21 H20 I O2, B F4'
_chemical_formula_sum            'C21 H20 B F4 I O2'
_chemical_formula_weight         518.08
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2020-07-01 deposited with the CCDC.	2020-07-23 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 102.163(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.965(2)
_cell_length_b                   11.911(2)
_cell_length_c                   13.389(2)
_cell_measurement_reflns_used    968
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.208
_cell_measurement_theta_min      2.998
_cell_volume                     2021.2(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Apex 2000 CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0421
_diffrn_reflns_av_sigmaI/netI    0.0339
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15347
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    1.635
_exptl_absorpt_correction_T_max  0.894
_exptl_absorpt_correction_T_min  0.662
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
absoprtion correction based on 9945 reflections(SADABS);Rint 0.0783 before
correction and 0.0283 after.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.703
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.910
_refine_diff_density_min         -0.514
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     264
_refine_ls_number_reflns         3974
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0308
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0409P)^2^+0.6206P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0735
_refine_ls_wR_factor_ref         0.0758
_reflns_number_gt                3547
_reflns_number_total             3974
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d0ob01401j2.cif
_cod_data_source_block           17098
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7157603--7157607.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7157604