Spiro-2,2′-bichroman-based bisoxazoline (SPANbox) ligands for ZnII-catalyzed enantioselective hydroxylation of β-keto esters and 1,3-diester
Li, Jie; Chen, Gang; Wang, Zheng; Zhang, Ruzhou; Zhang, Xumu; Ding, Kuiling; Chemical Science 2 (2011) 1141–; doi:10.1039/c0sc00607f

data_1515545
_publ_section_title
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 Spiro-2,2&#x2032;-bichroman-based bisoxazoline (SPANbox) ligands for
 ZnII-catalyzed enantioselective hydroxylation of \b-keto esters and
 1,3-diester
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_journal_issue                   6
_journal_name_full               'Chemical Science'
_journal_page_first              1141
_journal_paper_doi               10.1039/c0sc00607f
_journal_volume                  2
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_sum            'C41 H42 N2 O4'
_chemical_formula_weight         626.77
_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                 99.529(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.0978(11)
_cell_length_b                   10.0421(10)
_cell_length_c                   15.8898(16)
_cell_measurement_reflns_used    2846
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      43.039
_cell_measurement_theta_min      4.818
_cell_volume                     1746.4(3)
_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 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0571
_diffrn_reflns_av_sigmaI/netI    0.0520
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            10343
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.79262
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.192
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             668
_exptl_crystal_size_max          0.346
_exptl_crystal_size_mid          0.327
_exptl_crystal_size_min          0.086
_refine_diff_density_max         0.177
_refine_diff_density_min         -0.157
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -10(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     430
_refine_ls_number_reflns         4006
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0750
_refine_ls_R_factor_gt           0.0608
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0639P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1302
_refine_ls_wR_factor_ref         0.1373
_reflns_number_gt                3249
_reflns_number_total             4006
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0sc00607f.txt
_cod_data_source_block           cd28543
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1515545