One-Point Binding Ligands for Asymmetric Gold Catalysis: Phosphoramidites with a TADDOL-Related but Acyclic Backbone
Henrik Teller; Matthieu Corbet; Luca Mantilli; Gopinadhanpillai Gopakumar; Richard Goddard; Walter Thiel; Alois Fürstner; Journal of the American Chemical Society 134 (2012) 15331–15342; doi:10.1021/ja303641p

data_4118613
_publ_section_title
;
 One-Point Binding Ligands for Asymmetric Gold Catalysis: Phosphoramidites
 with a TADDOL-Related but Acyclic Backbone
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15331
_journal_page_last               15342
_journal_paper_doi               10.1021/ja303641p
_journal_volume                  134
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_compound_source        dichloromethane/heptane
_chemical_formula_moiety         'C27 H23 Br O2'
_chemical_formula_sum            'C27 H23 Br O2'
_chemical_formula_weight         459.36
_chemical_name_systematic
;
 23p
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_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_block_code                TLL-TB-274-01
_audit_creation_date             2012-04-13
_cell_angle_alpha                90.00
_cell_angle_beta                 101.470(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.2326(2)
_cell_length_b                   9.9596(3)
_cell_length_c                   12.9633(4)
_cell_measurement_reflns_used    9951
_cell_measurement_temperature    100
_cell_measurement_theta_max      66.0969
_cell_measurement_theta_min      3.4789
_cell_volume                     1041.68(5)
_computing_cell_refinement       'SAINT software (Bruker AXS, 2004)'
_computing_data_collection       'PROTEUM2 (Bruker AXS, 2008)'
_computing_data_reduction        'SAINT software (Bruker AXS, 2004)'
_computing_molecular_graphics    'DIAMOND (Crystal Impact GbR, 2005)'
_computing_structure_refinement  'SHELXL-97 (G. M. Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (G. M. Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 66.67
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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           Cu-K\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0486
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            29097
_diffrn_reflns_theta_full        66.73
_diffrn_reflns_theta_max         66.73
_diffrn_reflns_theta_min         3.48
_exptl_absorpt_coefficient_mu    2.851
_exptl_absorpt_correction_T_max  0.90912
_exptl_absorpt_correction_T_min  0.53854
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   'SADABS (Bruker AXS, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_description       needle
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.358
_refine_diff_density_min         -0.316
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.030(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         3391
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0297
_refine_ls_R_factor_gt           0.0286
_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^)+(0.0471P)^2^+0.0379P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0696
_refine_ls_wR_factor_ref         0.0701
_reflns_number_gt                3267
_reflns_number_total             3391
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja303641p_si_005.cif
_cod_data_source_block           7061
_cod_original_sg_symbol_Hall     'Pp 2yb'
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4118613