1,2-Nucleophilic addition of 2-(picolyl)organoboranes to nitrile, aldehyde, ketone, and amide.
Son, Jung-Ho; Hoefelmeyer, James D.; Organic & biomolecular chemistry 10 (2012) 6656–6664; doi:10.1039/c2ob25518a

data_7152500
_publ_section_title
;
 1,2-Nucleophilic addition of 2-(picolyl)organoboranes to nitrile,
 aldehyde, ketone, and amide.
;
_journal_issue                   33
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              6656
_journal_page_last               6664
_journal_paper_doi               10.1039/c2ob25518a
_journal_volume                  10
_journal_year                    2012
_chemical_formula_moiety         'C28 H40 B2 N2'
_chemical_formula_sum            'C28 H40 B2 N2'
_chemical_formula_weight         426.24
_chemical_name_common            BBN-picoline-dimer
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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_method           SHELXL-97
_cell_angle_alpha                71.1230(10)
_cell_angle_beta                 89.2950(10)
_cell_angle_gamma                87.4330(10)
_cell_formula_units_Z            2
_cell_length_a                   8.6278(7)
_cell_length_b                   11.1348(8)
_cell_length_c                   13.2544(10)
_cell_measurement_reflns_used    3318
_cell_measurement_temperature    247(2)
_cell_measurement_theta_max      24.89
_cell_measurement_theta_min      2.36
_cell_volume                     1203.64(16)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      247(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0418
_diffrn_reflns_av_sigmaI/netI    0.0560
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12312
_diffrn_reflns_theta_full        25.40
_diffrn_reflns_theta_max         25.40
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  0.9804
_exptl_absorpt_correction_T_min  0.9771
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.176
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4432
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.1029
_refine_ls_R_factor_gt           0.0511
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0589P)^2^+0.0969P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1161
_refine_ls_wR_factor_ref         0.1372
_reflns_number_gt                2555
_reflns_number_total             4432
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ob25518a.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P-1 '
_cod_database_code               7152500