Mechanistic insights into boron-catalysed direct amidation reactions.
Arkhipenko, Sergey; Sabatini, Marco T.; Batsanov, Andrei S.; Karaluka, Valerija; Sheppard, Tom D.; Rzepa, Henry S.; Whiting, Andrew; Chemical science 9 (2018) 1058–1072; doi:10.1039/c7sc03595k

data_1548578
_publ_section_title
;
 Mechanistic insights into boron-catalysed direct amidation reactions.
;
_journal_issue                   4
_journal_name_full               'Chemical science'
_journal_page_first              1058
_journal_page_last               1072
_journal_paper_doi               10.1039/c7sc03595k
_journal_volume                  9
_journal_year                    2018
_chemical_formula_moiety         'C25 H24 B3 N O3, C7 H9 N'
_chemical_formula_sum            'C32 H33 B3 N2 O3'
_chemical_formula_weight         526.03
_chemical_name_systematic
' phenylboroxine complex with 2 equiv. benzylamine'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-11-29
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2015.11.10 svn.r3248 for OlexSys, GUI svn.r5133)
;
_audit_update_record
;
2017-07-17 deposited with the CCDC.
2018-01-02 downloaded from the CCDC.
;
_cell_angle_alpha                89.7333(16)
_cell_angle_beta                 72.0196(15)
_cell_angle_gamma                84.3291(17)
_cell_formula_units_Z            4
_cell_length_a                   11.2396(4)
_cell_length_b                   15.2054(6)
_cell_length_c                   17.9361(7)
_cell_measurement_reflns_used    9200
_cell_measurement_temperature    120
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.25
_cell_volume                     2900.27(19)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v.2013.4_1 (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL 2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS 2013/1 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120
_diffrn_detector_type            'Bruker PHOTON 100 CMOS'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '3-circle area detector diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'focusing mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0439
_diffrn_reflns_av_unetI/netI     0.0413
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            55370
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.578
_diffrn_reflns_theta_min         2.247
_diffrn_source                   'ImuS microsource'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8866
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction.
wR2(int) was 0.1546 before and 0.0611 after correction.
The Ratio of minimum to maximum transmission is 0.8866.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_description       trapezoid
_exptl_crystal_F_000             1112
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: benzylamine, toluene'
_exptl_crystal_size_max          0.683
_exptl_crystal_size_mid          0.379
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.332
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     753
_refine_ls_number_reflns         13416
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0445
_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^)+(0.0430P)^2^+0.9460P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1087
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10461
_reflns_number_total             13416
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7sc03595k2.cif
_cod_data_source_block           10c_15srv282
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 1548566--1548579.cif.
;
_cod_database_code               1548578
_computing.bruker_data_scaling   'SADABS V2012/1 (Bruker AXS Inc.)'
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C1(H1C,H1D), C33(H33A,H33B), C26(H26A,H26B), C58(H58A,H58B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C7(H7), C9(H9), C10(H10), C11(H11), C12(H12),
 C13(H13), C15(H15), C16(H16), C17(H17), C18(H18), C19(H19), C21(H21), C22(H22),
  C23(H23), C24(H24), C25(H25), C35(H35), C36(H36), C37(H37), C38(H38),
 C39(H39), C41(H41), C42(H42), C43(H43), C44(H44), C45(H45), C47(H47), C48(H48),
  C49(H49), C50(H50), C51(H51), C53(H53), C54(H54), C55(H55), C56(H56),
 C57(H57), C28(H28), C29(H29), C30(H30), C31(H31), C32(H32), C60(H60), C61(H61),
  C62(H62), C63(H63), C64(H64)
;
_shelx_shelxl_version_number     2014/7