Enantioselective O- and N-Nitroso Aldol Synthesis of Tin Enolates. Isolation of Three BINAP-Silver Complexes and Their Role in Regio- and Enantioselectivity
Norie Momiyama; Hisashi Yamamoto; Journal of the American Chemical Society 126 (2004) 5360–5361; doi:10.1021/ja039103i

data_4112532
_publ_section_title
;
 Enantioselective O- and N-Nitroso Aldol Synthesis of Tin Enolates.
 Isolation of Three BINAP-Silver Complexes and Their Role in Regio- and
 Enantioselectivity
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5360
_journal_page_last               5361
_journal_paper_doi               10.1021/ja039103i
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C46 H32 Ag2 F6 O6 P2 S2'
_chemical_formula_weight         1136.52
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.122(2)
_cell_length_b                   16.334(3)
_cell_length_c                   24.032(5)
_cell_measurement_temperature    293(2)
_cell_volume                     4365.8(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0312
_diffrn_reflns_av_sigmaI/netI    0.0361
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            51649
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    1.141
_exptl_crystal_density_diffrn    1.729
_exptl_crystal_F_000             2264
_refine_diff_density_max         2.206
_refine_diff_density_min         -0.685
_refine_diff_density_rms         0.090
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.010(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     577
_refine_ls_number_reflns         10471
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0348
_refine_ls_R_factor_gt           0.0317
_refine_ls_shift/su_max          0.086
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0442P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0752
_refine_ls_wR_factor_ref         0.0761
_reflns_number_gt                9726
_reflns_number_total             10471
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja039103isi20040121_010437.cif
_cod_data_source_block           momy07ss
_cod_original_cell_volume        4366.0(15)
_cod_database_code               4112532