Brønsted Acid-Catalyzed Asymmetric Friedel-Crafts Alkylation of Indoles with Benzothiazole-Bearing Trifluoromethyl Ketone Hydrates.
Wang, Wei; Xiong, Wenhui; Wang, Jinping; Wang, Qiu-An; Yang, Wen; The Journal of organic chemistry 85 (2020) 4398–4407; doi:10.1021/acs.joc.0c00116

data_4038053
_publ_section_title
;
 Br\/onsted Acid-Catalyzed Asymmetric Friedel-Crafts Alkylation of Indoles
 with Benzothiazole-Bearing Trifluoromethyl Ketone Hydrates.
;
_journal_issue                   6
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4398
_journal_page_last               4407
_journal_paper_doi               10.1021/acs.joc.0c00116
_journal_volume                  85
_journal_year                    2020
_chemical_absolute_configuration R
_chemical_formula_moiety         'C17 H11 F3 N2 O S, H2 O'
_chemical_formula_sum            'C17 H13 F3 N2 O2 S'
_chemical_formula_weight         366.35
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2019-02-26
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.532(7)
_cell_length_b                   9.197(9)
_cell_length_c                   22.10(2)
_cell_measurement_reflns_used    346
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      17.78
_cell_measurement_theta_min      2.40
_cell_volume                     1531(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      273.15
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1208
_diffrn_reflns_av_unetI/netI     0.0467
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            33424
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        24.990
_diffrn_reflns_theta_max         24.990
_diffrn_reflns_theta_min         2.399
_exptl_absorpt_coefficient_mu    0.260
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1640 before and 0.0763 after correction. The Ratio of minimum to maximum transmission is 0.7709. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.589
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.368
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details
;
 Flack x determined using 838 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.02(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     230
_refine_ls_number_reflns         2678
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0414
_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^)+(0.0430P)^2^+0.6026P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0873
_refine_ls_wR_factor_ref         0.0929
_reflns_Friedel_coverage         0.710
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                2320
_reflns_number_total             2678
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c00116_si_002.cif
_cod_data_source_block           p212121
_cod_depositor_comments          'Adding full bibliography for 4038053.cif.'
_cod_original_cell_volume        1531(3)
_cod_database_code               4038053
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.974
_shelx_estimated_absorpt_t_min   0.950
_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 O(H) groups, All O(H,H) groups
2.a Free rotating group:
 O006(H00A,H00B)
2.b Aromatic/amide H refined with riding coordinates:
 N008(H008), C00H(H00H), C00I(H00I), C00J(H00J), C00K(H00K), C00L(H00L),
 C00M(H00M), C00N(H00N), C00O(H00O), C00P(H00P)
2.c Idealised tetrahedral OH refined as rotating group:
 O005(H005)
;
_shelx_res_checksum              93573
_shelx_hkl_checksum              69355
_olex2_submission_special_instructions 'No special instructions were received'