Transition-metal-free and additive-free intermolecular hydroarylation of alkenes with indoles in hexafluoroisopropanol.
Zhou, Changsheng; Huang, Ming; Yao, Yufeng; Chen, Chunyu; Yi, Xin; Yang, Ke-Fang; Lai, Guo-Qiao; Xuan, Wenjing; Zhang, Pinglu; Organic & biomolecular chemistry 21 (2023) 9534–9541; doi:10.1039/d3ob01570j

data_7159680
_publ_section_title
;
 Transition-metal-free and additive-free intermolecular hydroarylation of
 alkenes with indoles in hexafluoroisopropanol.
;
_journal_issue                   48
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              9534
_journal_page_last               9541
_journal_paper_doi               10.1039/d3ob01570j
_journal_volume                  21
_journal_year                    2023
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C17 H17 N O'
_chemical_formula_sum            'C17 H17 N O'
_chemical_formula_weight         251.31
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2023-05-04
_audit_creation_method
;
Olex2 1.5
(compiled 2021.11.18 svn.ra9532c28 for OlexSys, GUI svn.r6427)
;
_audit_update_record
;
2023-05-29 deposited with the CCDC.	2023-11-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.9302(9)
_cell_length_b                   10.5748(14)
_cell_length_c                   19.067(3)
_cell_measurement_reflns_used    4827
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      22.538
_cell_measurement_theta_min      2.202
_cell_volume                     1397.3(3)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_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 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0436
_diffrn_reflns_av_unetI/netI     0.0356
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.958
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            20151
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.939
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.500
_diffrn_reflns_theta_min         2.136
_diffrn_source_current           30.0
_diffrn_source_power             1.35
_diffrn_source_voltage           45.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9400
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0573 before and 0.0523 after correction.
The Ratio of minimum to maximum transmission is 0.9400.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.195
_exptl_crystal_description       block
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.150
_refine_diff_density_min         -0.161
_refine_diff_density_rms         0.028
_refine_ls_abs_structure_details
;
 Flack x determined using 1047 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.4(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         3983
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0649
_refine_ls_R_factor_gt           0.0434
_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^)+(0.0510P)^2^+0.1287P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0987
_refine_ls_wR_factor_ref         0.1102
_reflns_Friedel_coverage         0.709
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.913
_reflns_number_gt                3039
_reflns_number_total             3983
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ob01570j2.cif
_cod_data_source_block           mo230428a
_cod_depositor_comments
'Adding full bibliography for 7159680--7159681.cif.'
_cod_original_cell_volume        1397.4(3)
_cod_database_code               7159680
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.991
_shelx_estimated_absorpt_t_min   0.989
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C10(H10)
2.b Aromatic/amide H refined with riding coordinates:
 N1(H1), C2(H2), C5(H5), C6(H6), C7(H7), C8(H8), C12(H12), C13(H13), C15(H15),
 C16(H16)
2.c Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C)
;
_shelx_res_checksum              88854
_shelx_hkl_checksum              58355
_olex2_submission_special_instructions 'No special instructions were received'