Asymmetric hydroamination catalyzed by a new chiral zirconium system: reaction scope and mechanism
Xiaoguang Zhou; Bing Wei; Xiu-Li Sun; Yong Tang; Zuowei Xie; Chem.Commun. 51 (2015) 5751–; doi:10.1039/C4cc10032H

data_7116807
_publ_section_title
;
 Asymmetric hydroamination catalyzed by a new chiral zirconium system:
 reaction scope and mechanism
;
_journal_name_full               Chem.Commun.
_journal_page_first              5751
_journal_paper_doi               10.1039/C4cc10032H
_journal_volume                  51
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_sum            'C53 H59 N O2 Zr'
_chemical_formula_weight         833.23
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-07-26 deposited with the CCDC.
2015-02-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5049(9)
_cell_length_b                   20.1449(17)
_cell_length_c                   20.7934(17)
_cell_measurement_reflns_used    9976
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      29.41
_cell_measurement_theta_min      2.25
_cell_volume                     4400.3(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0356
_diffrn_reflns_av_sigmaI/netI    0.0338
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            34053
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.96
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.291
_exptl_absorpt_correction_T_max  0.9876
_exptl_absorpt_correction_T_min  0.8756
_exptl_absorpt_correction_type   multi-san
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.258
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1760
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.212
_refine_diff_density_min         -0.628
_refine_diff_density_rms         0.066
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     514
_refine_ls_number_reflns         9595
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0355
_refine_ls_R_factor_gt           0.0326
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0548P)^2^+0.8635P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0844
_refine_ls_wR_factor_ref         0.0869
_reflns_number_gt                9092
_reflns_number_total             9595
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc10032h2.cif
_cod_data_source_block           5c
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7116807