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_7116800
_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            'C50 H57 N O2 Si Zr'
_chemical_formula_weight         823.28
_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                   10.4723(9)
_cell_length_b                   20.7272(19)
_cell_length_c                   21.2971(19)
_cell_measurement_reflns_used    3319
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      39.296
_cell_measurement_theta_min      4.371
_cell_volume                     4622.8(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0858
_diffrn_reflns_av_sigmaI/netI    0.1105
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            24284
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.301
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.71394
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.183
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1736
_exptl_crystal_size_max          0.327
_exptl_crystal_size_mid          0.269
_exptl_crystal_size_min          0.211
_refine_diff_density_max         0.458
_refine_diff_density_min         -0.271
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.839
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     502
_refine_ls_number_reflns         8583
_refine_ls_number_restraints     88
_refine_ls_restrained_S_all      0.887
_refine_ls_R_factor_all          0.0978
_refine_ls_R_factor_gt           0.0514
_refine_ls_shift/su_max          0.067
_refine_ls_shift/su_mean         0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0365P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.1051
_reflns_number_gt                4818
_reflns_number_total             8583
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc10032h2.cif
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7116800