Iridium-catalyzed C-H borylation of pyridines.
Sadler, Scott A.; Tajuddin, Hazmi; Mkhalid, Ibraheem A. I.; Batsanov, Andrei S.; Albesa-Jove, David; Cheung, Man Sing; Maxwell, Aoife C.; Shukla, Lena; Roberts, Bryan; Blakemore, David C.; Lin, Zhenyang; Marder, Todd B.; Steel, Patrick G.; Organic & biomolecular chemistry 12 (2014) 7318–7327; doi:10.1039/c4ob01565g

data_7153976
_publ_section_title
;
 Iridium-catalyzed C-H borylation of pyridines.
;
_journal_issue                   37
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              7318
_journal_page_last               7327
_journal_paper_doi               10.1039/c4ob01565g
_journal_volume                  12
_journal_year                    2014
_chemical_formula_moiety         'C13 H20 B N O2'
_chemical_formula_sum            'C13 H20 B N O2'
_chemical_formula_weight         233.11
_chemical_melting_point          354
_chemical_name_common            2,6-dimethyl-4-(Bpin)-pyridine
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-02-24
_audit_creation_method
;
Olex2 1.2-alpha
(compiled 2014.02.17 svn.r2891 for OlexSys, GUI svn.r4773)
;
_cell_angle_alpha                90
_cell_angle_beta                 93.085(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.9952(15)
_cell_length_b                   6.8431(13)
_cell_length_c                   12.251(2)
_cell_measurement_reflns_used    763
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.08
_cell_measurement_theta_min      25.05
_cell_volume                     669.3(2)
_computing_cell_refinement       'SMART V5.625 (Bruker, 2001)'
_computing_data_collection       'SMART V5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT V6.45 (Bruker, 2003)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelxS (Sheldrick, 2008)'
_diffrn_ambient_temperature      120.15
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'ProteumM APEX CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source
'60W microfocus Bede Microsource with glass polycapillary optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0200
_diffrn_reflns_av_unetI/netI     0.0231
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3959
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.496
_diffrn_reflns_theta_min         2.971
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.157
_exptl_crystal_description       plate
_exptl_crystal_F_000             252
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.288
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     121
_refine_ls_number_reflns         1496
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0620
_refine_ls_R_factor_gt           0.0546
_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^)+(0.0730P)^2^+0.2640P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1382
_refine_ls_wR_factor_ref         0.1432
_reflns_number_gt                1310
_reflns_number_total             1496
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4ob01565g2.cif
_cod_data_source_block           5
_cod_depositor_comments
'Adding full bibliography for 7153976--7153981.cif.'
_cod_database_code               7153976
_shelxl_version_number           2014-1
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H) groups, All C(H,H,H) groups
2. Others
 Fixed Sof: C8(0.5) C9(0.5) C10(0.5) H10A(0.5) H10B(0.5) H10C(0.5) C11(0.5)
 H11A(0.5) H11B(0.5) H11C(0.5) C12(0.5) H12A(0.5) H12B(0.5) H12C(0.5) C13(0.5)
 H13A(0.5) H13B(0.5) H13C(0.5)
3.a Riding coordinates:
 C2(H2), C4(H4), C6(H6A,H6B), C7(H7A,H7B), C10(H10A,H10B,H10C), C11(H11A,H11B,
 H11C), C12(H12A,H12B,H12C), C13(H13A,H13B,H13C)
;
_olex2_computing_structure_refinement_long 'ShelXL (Sheldrick, 2008)'