Direct Photo-Induced Reductive Heck Cyclization of Indoles for Efficient Preparation of Polycyclic Indolinyl Compounds
Yu, Daohong; To, Wai-Pong; Liu, Yungen; Wu, Liangliang; You, Tingjie; Ling, Jesse; Che, Chi-Ming; Chemical Science  (2021) –; doi:10.1039/D1SC04258K

data_1564682
_publ_section_title
;
 Direct Photo-Induced Reductive Heck Cyclization of Indoles for Efficient
 Preparation of Polycyclic Indolinyl Compounds
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC04258K
_journal_year                    2021
_chemical_formula_moiety         'C22 H22 N2 O3'
_chemical_formula_sum            'C22 H22 N2 O3'
_chemical_formula_weight         362.41
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-06-01
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-08-03 deposited with the CCDC.	2021-09-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.679(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6179(7)
_cell_length_b                   15.5833(12)
_cell_length_c                   12.4610(9)
_cell_measurement_reflns_used    9972
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.49
_cell_volume                     1863.8(2)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker PHOTON 100 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'BrukerD8 venture microsource'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0475
_diffrn_reflns_av_unetI/netI     0.0345
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            44261
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.543
_diffrn_reflns_theta_min         2.492
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7125
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0985 before and 0.0557 after correction. The Ratio of minimum to maximum transmission is 0.9556. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.292
_exptl_crystal_description       block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.272
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details
;
 Flack x determined using 3421 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.4(3)
_refine_ls_extinction_coef       0.0158(16)
_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   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     494
_refine_ls_number_reflns         8583
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0416
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0423P)^2^+0.3330P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0786
_refine_ls_wR_factor_ref         0.0830
_reflns_Friedel_coverage         0.929
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                7791
_reflns_number_total             8583
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc04258k2.cif
_cod_data_source_block           cxy1304_0m
_cod_database_code               1564682
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C5(H5), C27(H27)
2.b Secondary CH2 refined with riding coordinates:
 C10(H10A,H10B), C11(H11A,H11B), C32(H32A,H32B), C33(H33A,H33B)
2.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C13(H13), C14(H14), C18(H18), C19(H19), C20(H20), C21(H21),
 C29(H29), C30(H30), C37(H37), C38(H38), C39(H39), C40(H40), C42(H42), C43(H43)
2.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C9(H9A,H9B,H9C), C22(H22A,H22B,H22C), C23(H23A,H23B,H23C),
 C31(H31A,H31B,H31C), C44(H44A,H44B,H44C)
;
_olex2_submission_special_instructions 'No special instructions were received'