Silver-Mediated Indole (4 + 2) Dearomative Annulation with N-Radicals: A Strategy To Construct Heterocycle-Fused Indolines
Zhang, Lin-Bao; Zhu, Ming-Hui; Ni, Shao-Fei; Wen, Li-Rong; Li, Ming; ACS Catalysis 9 (2019) 1680–; doi:10.1021/acscatal.8b04933

data_4514876
_publ_section_title
;
 Silver-Mediated Indole (4 + 2) Dearomative Annulation with N-Radicals: A
 Strategy To Construct Heterocycle-Fused Indolines
;
_journal_issue                   3
_journal_name_full               'ACS Catalysis'
_journal_page_first              1680
_journal_paper_doi               10.1021/acscatal.8b04933
_journal_volume                  9
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H19 N3 O2'
_chemical_formula_sum            'C20 H19 N3 O2'
_chemical_formula_weight         333.38
_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'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-07-05
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
????
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.1039(18)
_cell_length_b                   11.823(3)
_cell_length_c                   19.698(5)
_cell_measurement_reflns_used    5869
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4848
_cell_measurement_theta_min      1.0338
_cell_volume                     1654.4(7)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)''
_computing_publication_material  'CIFTAB (Sheldrick, 2014)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      173.15
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  'Graphite Monochromator'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0512
_diffrn_reflns_av_unetI/netI     0.0308
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            14730
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.456
_diffrn_reflns_theta_min         3.446
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.74221
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.789
_exptl_crystal_size_mid          0.425
_exptl_crystal_size_min          0.362
_refine_diff_density_max         0.247
_refine_diff_density_min         -0.157
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
;
 Flack x determined using 1489 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.5(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3753
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0370
_refine_ls_R_factor_gt           0.0365
_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^)+(0.0463P)^2^+0.2266P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.0943
_reflns_Friedel_coverage         0.732
_reflns_Friedel_fraction_full    0.994
_reflns_Friedel_fraction_max     0.992
_reflns_number_gt                3721
_reflns_number_total             3753
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs8b04933_si_002.cif
_cod_data_source_block           sa5340
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               4514876
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.969
_shelx_estimated_absorpt_t_min   0.934
_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:
 C11(H11)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C5(H5), C6(H6), C7(H7), C16(H16), C17(H17), C18(H18), C19(H19)
2.c Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C20(H20A,H20B,H20C)
;
_shelx_res_checksum              7287
_shelx_hkl_checksum              27006
_olex2_submission_special_instructions 'No special instructions were received'