Chemo- and regio-selective amidation of indoles with isocyanates using borane Lewis acids
Dasgupta, Ayan; Guerzoni, Michael G.; Alotaibi, Nusaybah; van Ingen, Yara; Farshadfar, Kaveh; Richards, Emma; Ariafard, Alireza; Melen, Rebecca L.; Catalysis Science & Technology 12 (2022) 5982–5990; doi:10.1039/D2CY01441F

data_1567712
_publ_section_title
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 Chemo- and regio-selective amidation of indoles with isocyanates using
 borane Lewis acids
;
_journal_issue                   19
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              5982
_journal_page_last               5990
_journal_paper_doi               10.1039/D2CY01441F
_journal_volume                  12
_journal_year                    2022
_chemical_formula_moiety         'C8 H7 B Cl3 N'
_chemical_formula_sum            'C8 H7 B Cl3 N'
_chemical_formula_weight         234.31
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_space_group_crystal_system      monoclinic
_space_group_IT_number           12
_space_group_name_Hall           '-C 2y'
_space_group_name_H-M_alt        'C 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-03-30 deposited with the CCDC.	2022-08-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.906(14)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.121(2)
_cell_length_b                   6.9264(7)
_cell_length_c                   9.8879(13)
_cell_measurement_reflns_used    1123
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      28.3460
_cell_measurement_theta_min      4.1260
_cell_volume                     973.7(2)
_computing_cell_refinement       'CrysAlisPro 1.171.41.112a (Rigaku OD, 2021)'
_computing_data_collection       'CrysAlisPro 1.171.41.112a (Rigaku OD, 2021)'
_computing_data_reduction        'CrysAlisPro 1.171.41.112a (Rigaku OD, 2021)'
_computing_molecular_graphics    'SHELXL, ORTEP, mercury'
_computing_publication_material  publCIF
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.845
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       'w/ scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0243
_diffrn_reflns_av_unetI/netI     0.0411
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.845
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            2544
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.845
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.680
_diffrn_reflns_theta_min         3.657
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.886
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.509
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.112a (Rigaku Oxford Diffraction, 2021)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.598
_exptl_crystal_description       block
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.636
_exptl_crystal_size_mid          0.269
_exptl_crystal_size_min          0.146
_refine_diff_density_max         0.343
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.118
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     76
_refine_ls_number_reflns         1257
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.118
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0378
_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^)+(0.0275P)^2^+0.6801P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0754
_refine_ls_wR_factor_ref         0.0830
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1018
_reflns_number_total             1257
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cy01441f2.cif
_cod_data_source_block           rm2217b_a
_cod_original_sg_symbol_H-M      'C 2/m'
_cod_database_code               1567712
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.603
_shelx_estimated_absorpt_t_max   0.882
_shelx_res_checksum              90626
_publcif_funding_html
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