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_1548574
_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 H15 B3 F9 N O3'
_chemical_formula_sum            'C25 H15 B3 F9 N O3'
_chemical_formula_weight         580.81
_chemical_melting_point          479(1)
_chemical_name_systematic
' 3,4,5-Trifluorophenylboroxine -- benzylamine complex '
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-03-31
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Olex2 1.2-beta
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2017-07-17 deposited with the CCDC.
2018-01-02 downloaded from the CCDC.
;
_cell_angle_alpha                106.5448(14)
_cell_angle_beta                 111.4917(14)
_cell_angle_gamma                96.8493(15)
_cell_formula_units_Z            2
_cell_length_a                   10.3720(5)
_cell_length_b                   11.1795(5)
_cell_length_c                   12.3123(6)
_cell_measurement_reflns_used    9217
_cell_measurement_temperature    120
_cell_measurement_theta_max      30.12
_cell_measurement_theta_min      2.54
_cell_volume                     1232.74(10)
_computing_cell_refinement       'APEX2 v.2013.4_1 (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 multi-CPU version (Sheldrick, 2008)'
_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 0.998
_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  0.0242
_diffrn_reflns_av_unetI/netI     0.0215
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            27452
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        30.000
_diffrn_reflns_theta_max         30.119
_diffrn_reflns_theta_min         2.180
_diffrn_source                   'ImuS microsource'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.146
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9701
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction.
wR2(int) was 0.0750 before and 0.0378 after correction.
The Ratio of minimum to maximum transmission is 0.9701.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.565
_exptl_crystal_description       block
_exptl_crystal_F_000             584
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: CDCl3'
_exptl_crystal_size_max          0.332
_exptl_crystal_size_mid          0.224
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.455
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.049
_refine_ls_extinction_coef       0.0054(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick, 2014)'
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         7267
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0432
_refine_ls_R_factor_gt           0.0358
_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^)+(0.0490P)^2^+0.4680P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0954
_refine_ls_wR_factor_ref         0.1003
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6223
_reflns_number_total             7267
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7sc03595k2.cif
_cod_data_source_block           10a_15srv091
_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               1548574
_shelx_estimated_absorpt_t_max   0.971
_shelx_estimated_absorpt_t_min   0.953
_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:
 C19(H19A,H19B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C6(H6), C8(H8), C12(H12), C14(H14), C18(H18), C21(H21), C22(H22),
 C23(H23), C24(H24), C25(H25)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'