Enantioselective Intramolecular Cyclopropanation ofcis-Alkenes by Chiral Ruthenium(II) Schiff Base Catalysts and Crystal Structures of (Schiff base)ruthenium Complexes Containing Carbene, PPh3, and CO Ligands
Li, Gong-Yong; Zhang, Jing; Chan, Philip Wai Hong; Xu, Zhen-Jiang; Zhu, Nianyong; Che, Chi-Ming; Organometallics 25 (2006) 1676–; doi:10.1021/om051009i

data_4074928
_publ_section_title
;
 Enantioselective Intramolecular Cyclopropanation ofcis-Alkenes by Chiral
 Ruthenium(II) Schiff Base Catalysts and Crystal Structures of (Schiff
 base)ruthenium Complexes Containing Carbene, PPh3, and CO Ligands
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1676
_journal_paper_doi               10.1021/om051009i
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C42 H41 Br4 N3 O3 Ru'
_chemical_formula_sum            'C42 H41 Br4 N3 O3 Ru'
_chemical_formula_weight         1056.49
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 121.11(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   37.444(8)
_cell_length_b                   13.021(3)
_cell_length_c                   19.997(4)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    253(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     8347(4)
_computing_cell_refinement       Scalepack
_computing_data_collection       marcontrol
_computing_data_reduction        Denzo
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      253(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'marresearch IPDS mar300'
_diffrn_measurement_method       oscillation
_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  0.0659
_diffrn_reflns_av_sigmaI/netI    0.1016
_diffrn_reflns_limit_h_max       45
_diffrn_reflns_limit_h_min       -45
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            29346
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    4.246
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.681
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4176
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.445
_refine_diff_density_min         -0.826
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.689
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     474
_refine_ls_number_reflns         7623
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.689
_refine_ls_R_factor_all          0.0589
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0657
_refine_ls_wR_factor_ref         0.0701
_reflns_number_gt                4587
_reflns_number_total             7623
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om051009isi20051122_105213.cif
_cod_data_source_block           mar1579
_cod_original_cell_volume        8347(3)
_cod_database_code               4074928