Photo-induced intramolecular alkyl/aryl group transfer and SO2 insertion: a new strategy for the synthesis of 3-(alkyl/arylsulfonyl)benzothiophenes
Xu, Tiantian; Wang, Fen-Dou; Yang, Wen-Chao; Lu, Tong; Wang, Min; Li, Pinhua; Green Chemistry 27 (2025) 2386–2391; doi:10.1039/D4GC06127F

data_7249898
_publ_section_title
;
 Photo-induced intramolecular alkyl/aryl group transfer and SO2 insertion:
 a new strategy for the synthesis of 3-(alkyl/arylsulfonyl)benzothiophenes
;
_journal_issue                   9
_journal_name_full               'Green Chemistry'
_journal_page_first              2386
_journal_page_last               2391
_journal_paper_doi               10.1039/D4GC06127F
_journal_volume                  27
_journal_year                    2025
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H20 O2 S2'
_chemical_formula_sum            'C20 H20 O2 S2'
_chemical_formula_weight         356.48
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2024-11-05
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2024-11-05 deposited with the CCDC.	2025-02-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.8241(3)
_cell_length_b                   10.0409(6)
_cell_length_c                   29.8544(18)
_cell_measurement_reflns_used    9935
_cell_measurement_temperature    293.15
_cell_measurement_theta_max      72.53
_cell_measurement_theta_min      4.40
_cell_volume                     1745.86(17)
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293.15
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0419
_diffrn_reflns_av_unetI/netI     0.0294
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            25343
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.501
_diffrn_reflns_theta_min         8.168
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.832
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.4766
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1294 before and 0.0580 after correction.
The Ratio of minimum to maximum transmission is 0.6324.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
;
 Flack x determined using 1386 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.039(5)
_refine_ls_extinction_coef       0.0062(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3434
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0303
_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^)+(0.0442P)^2^+0.3331P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0798
_refine_ls_wR_factor_ref         0.0800
_reflns_Friedel_coverage         0.702
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.994
_reflns_number_gt                3383
_reflns_number_total             3434
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4gc06127f2.cif
_cod_data_source_block           1_a_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7249897--7249899.cif.'
_cod_database_code               7249898
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.765
_shelx_estimated_absorpt_t_min   0.601
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Ternary CH refined with riding coordinates:
 C15(H15)
2.b Secondary CH2 refined with riding coordinates:
 C16(H16A,H16B), C20(H20A,H20B), C17(H17A,H17B), C18(H18A,H18B), C19(H19A,H19B)
2.c Aromatic/amide H refined with riding coordinates:
 C14(H14), C10(H10), C12(H12), C13(H13), C11(H11), C4(H4), C7(H7), C5(H5),
 C6(H6)
;
_shelx_res_checksum              10171
_shelx_hkl_checksum              1584
_olex2_submission_special_instructions 'No special instructions were received'