Asymmetric Platinum Group Metal-Catalyzed Carbonyl-Ene Reactions: Carbon-Carbon Bond Formation versus Isomerization
Simon Doherty; Julian G. Knight; Catherine H. Smyth; Ross W. Harrington; William Clegg; Journal of Organic Chemistry 71 (2006) 9751–9764; doi:10.1021/jo062023n

data_4022198
_publ_section_title
;
 Asymmetric Platinum Group Metal-Catalyzed Carbonyl-Ene Reactions:
 Carbon-Carbon Bond Formation versus Isomerization
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9751
_journal_page_last               9764
_journal_paper_doi               10.1021/jo062023n
_journal_volume                  71
_journal_year                    2006
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C44 H32 P2 Cl2 Pt, 2 C H2 Cl2'
_chemical_formula_sum            'C46 H36 Cl6 P2 Pt'
_chemical_formula_weight         1058.48
_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                   12.7643(15)
_cell_length_b                   14.9692(17)
_cell_length_c                   22.258(3)
_cell_measurement_reflns_used    8647
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.17
_cell_measurement_theta_min      2.28
_cell_volume                     4253.0(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker SMART 1K CCD diffractometer'
_diffrn_measurement_method       'thin-slice \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0365
_diffrn_reflns_av_sigmaI/netI    0.0344
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            37872
_diffrn_reflns_theta_full        28.25
_diffrn_reflns_theta_max         28.25
_diffrn_reflns_theta_min         1.83
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.785
_exptl_absorpt_correction_T_max  0.253
_exptl_absorpt_correction_T_min  0.234
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.653
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2088
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.50
_refine_diff_density_max         1.034
_refine_diff_density_min         -1.427
_refine_diff_density_rms         0.096
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.004(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.103
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         10223
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0317
_refine_ls_R_factor_gt           0.0267
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0188P)^2^+4.1142P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0540
_refine_ls_wR_factor_ref         0.0555
_reflns_number_gt                9496
_reflns_number_total             10223
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo062023nsi20060930_070907.cif
_cod_database_code               4022198