Direct air-induced arylphosphinoyl radicals for the synthesis of benzo[b]phosphole oxides
Huang, Mingqing; Huang, Haiyang; You, Mengyao; Zhang, Xinxin; Sun, Longgen; Chen, Chao; Mei, Zhichao; Yang, Ruchun; Xiao, Qiang; Green Chemistry 26 (2024) 295–299; doi:10.1039/D3GC03947A

data_7247828
_publ_section_title
;
 Direct air-induced arylphosphinoyl radicals for the synthesis of
 benzo[b]phosphole oxides
;
_journal_issue                   1
_journal_name_full               'Green Chemistry'
_journal_page_first              295
_journal_page_last               299
_journal_paper_doi               10.1039/D3GC03947A
_journal_volume                  26
_journal_year                    2024
_chemical_formula_moiety         'C28 H23 O3 P'
_chemical_formula_sum            'C28 H23 O3 P'
_chemical_formula_weight         438.43
_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
_atom_sites_solution_primary     iterative
_audit_creation_date             2023-10-10
_audit_creation_method
;
Olex2 1.3
(compiled Nov 21 2019 18:26:39 for OlexSys, GUI svn.r6003)
;
_audit_update_record
;
2023-10-12 deposited with the CCDC.	2023-12-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   22.937(4)
_cell_length_b                   8.7952(15)
_cell_length_c                   11.1318(19)
_cell_measurement_reflns_used    4657
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      26.666
_cell_measurement_theta_min      2.550
_cell_volume                     2245.7(7)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'olex2.refine 1.3 (Bourhis et al., 2015)'
_computing_structure_solution    'olex2.solve 1.3 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker Smart APEX-II'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0400
_diffrn_reflns_av_unetI/netI     0.0452
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13137
_diffrn_reflns_point_group_measured_fraction_full 0.979
_diffrn_reflns_point_group_measured_fraction_max 0.949
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.695
_diffrn_reflns_theta_min         2.316
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.150
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6503
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0626 before and 0.0435 after correction.
The Ratio of minimum to maximum transmission is 0.8722.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details
;
 Flack x determined using 1630 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.09(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         5008
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0562
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0539P)^2^+0.1740P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0963
_refine_ls_wR_factor_ref         0.1046
_reflns_Friedel_coverage         0.820
_reflns_Friedel_fraction_full    0.957
_reflns_Friedel_fraction_max     0.902
_reflns_number_gt                4171
_reflns_number_total             5008
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3gc03947a3.cif
_cod_data_source_block           221109huanhy1_0m
_cod_depositor_comments
'Adding full bibliography for 7247828--7247829.cif.'
_cod_database_code               7247828
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.997
_shelx_estimated_absorpt_t_min   0.996
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C16(H16), C10(H10), C14(H14), C11(H11), C17(H17), C13(H13), C7(H7), C4(H4),
 C26(H26), C20(H20), C5(H5), C22(H22), C6(H6), C19(H19), C24(H24), C23(H23),
 C25(H25)
2.b Idealised Me refined as rotating group:
 C27(H27a,H27b,H27c), C28(H28a,H28b,H28c)
;
_olex2_submission_special_instructions 'No special instructions were received'