Tetrabutylammonium decatungstate-catalyzed hydroalkylation/alkoxylation of 3-methyleneisoindolin-1-ones with alcohols/ethers through hydrogen atom transfer process
Fu, Han; Wang, Feixia; Wu, Ziyan; Xie, Xiaoyu; Zhang, Yicheng; Liu, Jie; Wang, Lei; RSC Advances 15 (2025) 30285–30289; doi:10.1039/D5RA05071E

data_7250816
_publ_section_title
;
 Tetrabutylammonium decatungstate-catalyzed hydroalkylation/alkoxylation
 of 3-methyleneisoindolin-1-ones with alcohols/ethers through hydrogen
 atom transfer process
;
_journal_issue                   37
_journal_name_full               'RSC Advances'
_journal_page_first              30285
_journal_page_last               30289
_journal_paper_doi               10.1039/D5RA05071E
_journal_volume                  15
_journal_year                    2025
_chemical_formula_moiety         'C16 H14 F N O2'
_chemical_formula_sum            'C16 H14 F N O2'
_chemical_formula_weight         271.28
_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_method           SHELXL-2014/7
_audit_update_record
;
2024-07-26 deposited with the CCDC.	2025-08-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.3027(15)
_cell_length_b                   10.689(2)
_cell_length_c                   17.559(4)
_cell_measurement_reflns_used    58006
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      27.557
_cell_measurement_theta_min      3.573
_cell_volume                     1370.6(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    Diamond
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0261
_diffrn_reflns_av_unetI/netI     0.0092
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            58006
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.557
_diffrn_reflns_theta_min         3.573
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.996
_exptl_absorpt_correction_T_min  0.982
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_description       block
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.110
_exptl_crystal_size_mid          0.090
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.191
_refine_diff_density_min         -0.187
_refine_diff_density_rms         0.066
_refine_ls_abs_structure_details
;
 Flack x determined using 1218 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.05(12)
_refine_ls_extinction_coef       0.077(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         3164
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0367
_refine_ls_R_factor_gt           0.0325
_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^)+(0.0742P)^2^+0.0963P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0977
_refine_ls_wR_factor_ref         0.1054
_reflns_Friedel_coverage         0.731
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.996
_reflns_number_gt                2928
_reflns_number_total             3164
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ra05071e2.cif
_cod_data_source_block           T
_cod_database_code               7250816
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.990
_shelx_estimated_absorpt_t_max   0.992
_shelx_res_checksum              66361