Highly enantioselective hydroaminoalkylation of secondary amines catalyzed by group 5 metal amides with chiral biarylamidate ligands.
Zi, Guofu; Zhang, Furen; Song, Haibin; Chemical communications (Cambridge, England) 46 (2010) 6296–6298; doi:10.1039/c0cc01265c

data_7112990
_publ_section_title
;
 Highly enantioselective hydroaminoalkylation of secondary amines
 catalyzed by group 5 metal amides with chiral biarylamidate ligands.
;
_journal_issue                   34
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              6296
_journal_page_last               6298
_journal_paper_doi               10.1039/c0cc01265c
_journal_volume                  46
_journal_year                    2010
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C46 H52 N5 O2 Ta'
_chemical_formula_sum            'C46 H52 N5 O2 Ta'
_chemical_formula_weight         887.88
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 108.63(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.687(2)
_cell_length_b                   13.451(3)
_cell_length_c                   13.686(3)
_cell_measurement_reflns_used    8175
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      1.5
_cell_volume                     2038.7(8)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalClear
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 14.63
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Rigaku Saturn CCD area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0397
_diffrn_reflns_av_sigmaI/netI    0.0396
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            18042
_diffrn_reflns_theta_full        27.92
_diffrn_reflns_theta_max         27.92
_diffrn_reflns_theta_min         1.57
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.739
_exptl_absorpt_correction_T_max  0.7003
_exptl_absorpt_correction_T_min  0.5840
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   CrystalClear
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.446
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         3.342
_refine_diff_density_min         -1.805
_refine_diff_density_rms         0.154
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.001(7)
_refine_ls_extinction_coef       0.0447(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     500
_refine_ls_number_reflns         9255
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0359
_refine_ls_R_factor_gt           0.0351
_refine_ls_shift/su_max          0.110
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0562P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0843
_refine_ls_wR_factor_ref         0.0849
_reflns_number_gt                9010
_reflns_number_total             9255
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc01265c.txt
_cod_data_source_block           compound5
_cod_original_cell_volume        2038.8(7)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7112990