Borylation directed borylation of <i>N</i>-alkyl anilines using iodine activated pyrazaboles.
Millet, C. R. P.; Noone, E.; Schellbach, A. V.; Pahl, J.; Łosiewicz, J; Nichol, G. S.; Ingleson, M. J.; Chemical science 14 (2023) 12041–12048; doi:10.1039/d3sc04269c

data_1570144
_publ_section_title
;
 Borylation directed borylation of <i>N</i>-alkyl anilines using iodine
 activated pyrazaboles.
;
_journal_issue                   43
_journal_name_full               'Chemical science'
_journal_page_first              12041
_journal_page_last               12048
_journal_paper_doi               10.1039/d3sc04269c
_journal_volume                  14
_journal_year                    2023
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H24 B2 N6'
_chemical_formula_sum            'C20 H24 B2 N6'
_chemical_formula_weight         370.07
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2023-02-23
_audit_creation_method
;
Olex2 1.5-beta
(compiled 2023.01.27 svn.rdd5efbe3 for OlexSys, GUI svn.r6708)
;
_audit_update_record
;
2023-08-09 deposited with the CCDC.	2023-10-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.6629(9)
_cell_length_b                   8.3625(7)
_cell_length_c                   19.7736(18)
_cell_measurement_reflns_used    4045
_cell_measurement_temperature    100.00
_cell_measurement_theta_max      24.52
_cell_measurement_theta_min      2.56
_cell_volume                     1928.5(3)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_collection       'GDA - generic data acquisition software'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5-beta (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-beta (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.00
_diffrn_detector                 'Photon counting pixel array'
_diffrn_detector_type            'Dectris PILATUS 2M'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'Fixed \c 3-circle diffractometer'
_diffrn_measurement_device_type  'Diamond Light Source I-19'
_diffrn_measurement_method       'shutterless scans'
_diffrn_measurement_specimen_support 'MiTeGen MicroMount'
_diffrn_radiation_monochromator  'Silicon 111'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.6889
_diffrn_reflns_av_R_equivalents  0.0680
_diffrn_reflns_av_unetI/netI     0.0631
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            16390
_diffrn_reflns_point_group_measured_fraction_full 0.985
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        24.415
_diffrn_reflns_theta_max         24.594
_diffrn_reflns_theta_min         1.997
_diffrn_source                   Synchrotron
_diffrn_source_current           0.0
_diffrn_source_details           'Allan et al. (2017)'
_diffrn_source_power             0.0
_diffrn_source_type              'Diamond Light Source Beamline I19-1'
_diffrn_source_voltage           0.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.4282
_exptl_absorpt_correction_T_min  0.2474
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1706 before and 0.0843 after correction.
The Ratio of minimum to maximum transmission is 0.5778.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_description       plate
_exptl_crystal_F_000             784
_exptl_crystal_recrystallization_method
'The material was recrystallised from hexane by slow evaporation'
_exptl_crystal_size_max          0.072
_exptl_crystal_size_mid          0.041
_exptl_crystal_size_min          0.005
_refine_diff_density_max         0.332
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details
;
 Flack x determined using 1074 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.1(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.983
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         3486
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.983
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0540
_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^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1396
_refine_ls_wR_factor_ref         0.1483
_reflns_Friedel_coverage         0.907
_reflns_Friedel_fraction_full    0.970
_reflns_Friedel_fraction_max     0.965
_reflns_number_gt                2760
_reflns_number_total             3486
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc04269c2.cif
_cod_data_source_block           mi23001
_cod_depositor_comments
'Adding full bibliography for 1570141--1570144.cif.'
_cod_database_code               1570144
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   1.000
_shelx_estimated_absorpt_t_min   0.995
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C8(H8), C9(H9), C10(H10),
 C11(H11), C12(H12), C15(H15), C16(H16), C17(H17), C18(H18), C19(H19)
2.b Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C20(H20A,H20B,H20C)
;
_shelx_res_checksum              5179
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems Cryostream 800'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a mitegen tip in Paratone oil.'
_olex2_submission_original_sample_id CM211-res3
_olex2_submission_special_instructions 'No special instructions were received'