Visible light-induced N-radicals 5-exo/6-endo cyclization of alkenyl amide: facile access to isoindolinones/isoquinolinones
Lei, ZhenYao; Hu, Kui; He, Yuanxiang; Geng, Shu; Zou, Shuai; Chen, Lina; Li, Pan; Ding, ZhiJun; Huang, Feng; Organic & Biomolecular Chemistry  (2022) –; doi:10.1039/D2OB00317A

data_7158545
_publ_section_title
;
 Visible light-induced N-radicals 5-exo/6-endo cyclization of alkenyl
 amide: facile access to isoindolinones/isoquinolinones
;
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_paper_doi               10.1039/D2OB00317A
_journal_year                    2022
_chemical_formula_moiety         'C12 H15 N O2'
_chemical_formula_sum            'C12 H15 N O2'
_chemical_formula_weight         205.25
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-12-28
_audit_creation_method
;
Olex2 1.5
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2021-12-30 deposited with the CCDC.	2022-03-02 downloaded from the CCDC.
;
_cell_angle_alpha                71.738(3)
_cell_angle_beta                 69.902(3)
_cell_angle_gamma                72.397(3)
_cell_formula_units_Z            4
_cell_length_a                   8.9132(5)
_cell_length_b                   11.7925(6)
_cell_length_c                   12.0168(6)
_cell_measurement_reflns_used    9474
_cell_measurement_temperature    193.00
_cell_measurement_theta_max      68.419
_cell_measurement_theta_min      4.045
_cell_volume                     1099.23(10)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      193.00
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0417
_diffrn_reflns_av_unetI/netI     0.0362
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            19166
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.557
_diffrn_reflns_theta_min         4.029
_diffrn_source_current           1.1
_diffrn_source_power             0.05500000000000001
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.680
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6329
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0996 before and 0.0585 after correction.
The Ratio of minimum to maximum transmission is 0.8404.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.240
_exptl_crystal_description       block
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         4022
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0447
_refine_ls_R_factor_gt           0.0390
_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^+0.1757P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1093
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3438
_reflns_number_total             4022
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ob00317a2.cif
_cod_data_source_block           cu_20211228_yang1_0m
_cod_database_code               7158545
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.935
_shelx_estimated_absorpt_t_min   0.917
_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 Ternary CH refined with riding coordinates:
 C8(H8), C9(H9), C20(H20), C21(H21)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C15(H15), C16(H16), C17(H17), C18(H18)
2.c Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C22(H22A,H22B,
 H22C), C23(H23A,H23B,H23C), C24(H24A,H24B,H24C)
;
_shelx_res_checksum              79710
_olex2_submission_special_instructions 'No special instructions were received'