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_1567713
_publ_section_title
;
 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         'C35 H16 B Br Cl2 F10 N3 O2, C H2 Cl2'
_chemical_formula_sum            'C36 H17 B Br Cl4 F10 N3 O2'
_chemical_formula_weight         946.04
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     intrinsic
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-11-29 deposited with the CCDC.	2022-08-18 downloaded from the CCDC.
;
_cell_angle_alpha                69.141(3)
_cell_angle_beta                 77.001(3)
_cell_angle_gamma                87.734(2)
_cell_formula_units_Z            4
_cell_length_a                   12.7275(4)
_cell_length_b                   16.2624(4)
_cell_length_c                   19.5564(6)
_cell_measurement_reflns_used    13561
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      72.9710
_cell_measurement_theta_min      3.7940
_cell_volume                     3681.9(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    mercury
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       'w/ scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0342
_diffrn_reflns_av_unetI/netI     0.0444
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.971
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            26747
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.971
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.830
_diffrn_reflns_theta_min         3.567
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    5.014
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.576
_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            pink
_exptl_crystal_density_diffrn    1.707
_exptl_crystal_description       block
_exptl_crystal_F_000             1872
_exptl_crystal_size_max          0.333
_exptl_crystal_size_mid          0.158
_exptl_crystal_size_min          0.047
_refine_diff_density_max         1.385
_refine_diff_density_min         -1.455
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1047
_refine_ls_number_reflns         14256
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0699
_refine_ls_R_factor_gt           0.0584
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1080P)^2^+2.8308P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1632
_refine_ls_wR_factor_ref         0.1792
_reflns_Friedel_coverage         0.000
_reflns_number_gt                11669
_reflns_number_total             14256
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cy01441f2.cif
_cod_data_source_block           rm2142_a
_cod_database_code               1567713
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.286
_shelx_estimated_absorpt_t_max   0.798
_shelx_res_checksum              56537