Borate-catalysed direct amidation reactions of coordinating substrates.
Procter, Richard J.; Alamillo-Ferrer, Carla; Shabbir, Usman; Britton, Phyllida; Bučar, Dejan-Krešimir; Dumon, Alexandre S.; Rzepa, Henry S.; Burés, Jordi; Whiting, Andrew; Sheppard, Tom D.; Chemical science 16 (2025) 4718–4724; doi:10.1039/d4sc07744j

data_1573847
_publ_section_title
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 Borate-catalysed direct amidation reactions of coordinating substrates.
;
_journal_issue                   11
_journal_name_full               'Chemical science'
_journal_page_first              4718
_journal_page_last               4724
_journal_paper_doi               10.1039/d4sc07744j
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C23 H21 B3 N2 O3'
_chemical_formula_sum            'C23 H21 B3 N2 O3'
_chemical_formula_weight         405.85
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2024-10-16 deposited with the CCDC.	2025-02-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   6.81856(4)
_cell_length_b                   18.79523(11)
_cell_length_c                   32.85532(19)
_cell_measurement_reflns_used    63787
_cell_measurement_temperature    150.0(1)
_cell_measurement_theta_max      77.8260
_cell_measurement_theta_min      4.6840
_cell_volume                     4210.62(4)
_computing_cell_refinement       'CrysAlisPro 1.171.42.60a (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.60a (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.60a (Rigaku OD, 2022)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.0(1)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_type            'HyPix-Arc 100'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
'SuperNova, Dual, Cu at home/near, HyPix-Arc 100'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0349
_diffrn_reflns_av_unetI/netI     0.0114
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            94888
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        66.590
_diffrn_reflns_theta_max         66.590
_diffrn_reflns_theta_min         4.705
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.657
_exptl_absorpt_correction_T_max  0.975
_exptl_absorpt_correction_T_min  0.883
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.136a (Rigaku Oxford Diffraction, 2024)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_description       prism
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.165
_refine_diff_density_min         -0.180
_refine_diff_density_rms         0.033
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         3713
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0333
_refine_ls_R_factor_gt           0.0306
_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^)+(0.0443P)^2^+0.9773P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0804
_refine_ls_wR_factor_ref         0.0824
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3408
_reflns_number_total             3713
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc07744j2.cif
_cod_data_source_block           1
_cod_depositor_comments          'Adding full bibliography for 1573847.cif.'
_cod_database_code               1573847
_shelx_shelxl_version_number     2019/3
_shelx_res_checksum              3588