Helical Triskelion Monophosphites as Ligands in Asymmetric Catalysis
Manfred T. Reetz; Hongchao Guo; Jun-An Ma; Richard Goddard; Richard J. Mynott; Journal of the American Chemical Society 131 (2009) 4136–4142; doi:10.1021/ja809297a

data_4104069
_publ_section_title
;
 Helical Triskelion Monophosphites as Ligands in Asymmetric Catalysis
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4136
_journal_page_last               4142
_journal_paper_doi               10.1021/ja809297a
_journal_volume                  131
_journal_year                    2009
_chemical_absolute_configuration rmad
_chemical_compound_source        dichloromethane/pentane
_chemical_formula_moiety         'C93 H81 O9 P'
_chemical_formula_sum            'C93 H81 O9 P'
_chemical_formula_weight         1373.55
_chemical_name_systematic
; 
 anti-tris[(R)-2'-(1-adamantylcarbonyl)oxy-1,1'-binaphthyl-2-yl]phosphite
;
_space_group_IT_number           146
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      146
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_code                GUO-GB-273-01
_audit_creation_date             2006-10-19
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                120.0
_cell_formula_units_Z            3
_cell_length_a                   23.9458(3)
_cell_length_b                   23.9458(3)
_cell_length_c                   10.7465(2)
_cell_measurement_reflns_used    6172
_cell_measurement_temperature    100
_cell_measurement_theta_max      63.20
_cell_measurement_theta_min      3.69
_cell_volume                     5336.50(14)
_computing_cell_refinement       'PROTEUM2 (Bruker AXS, 2004)'
_computing_data_collection       'PROTEUM2 (Bruker AXS, 2004)'
_computing_data_reduction        'SAINT software (Bruker AXS, 2004)'
_computing_molecular_graphics    'DIAMOND (Crystal Impact GbR, 2005)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker-AXS X8 Proteum'
_diffrn_measurement_method       'CCD \f- and \w-scans'
_diffrn_radiation_monochromator  'focusing multilayer optic'
_diffrn_radiation_source         '0.2 x 2mm^2^ focus rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0238
_diffrn_reflns_av_sigmaI/netI    0.0180
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            13728
_diffrn_reflns_theta_full        63.20
_diffrn_reflns_theta_max         63.20
_diffrn_reflns_theta_min         3.69
_diffrn_standards_decay_%        0.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.845
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.78165
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker AXS (2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       prism
_exptl_crystal_F_000             2178
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.332
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
'Flack, H. D. (1983). Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         3582
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0304
_refine_ls_R_factor_gt           0.0302
_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^)+(0.0520P)^2^+3.9511P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0805
_refine_ls_wR_factor_ref         0.0806
_reflns_number_gt                3562
_reflns_number_total             3582
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja809297a_si_003.cif
_cod_data_source_block           (R,R,R)-3a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'R 3'
_cod_database_code               4104069