Efficient Palladium Catalysts Containing Original Imidazolium-Tagged Chiral Diamidophosphite Ligands for Asymmetric Allylic Substitutions in Neat Ionic Liquid
Bravo, Maritza J.; Favier, Isabelle; Saffon, Nathalie; Ceder, Rosa M.; Muller, Guillermo; Gómez, Montserrat; Rocamora, Mercè; Organometallics 33 (2014) 771–; doi:10.1021/om4011577

data_4082437
_publ_section_title
;
 Efficient Palladium Catalysts Containing Original Imidazolium-Tagged
 Chiral Diamidophosphite Ligands for Asymmetric Allylic Substitutions in
 Neat Ionic Liquid
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              771
_journal_paper_doi               10.1021/om4011577
_journal_volume                  33
_journal_year                    2014
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C32 H35 Cl N4 O P Pd, B F4, C H2 Cl2'
_chemical_formula_sum            'C33 H37 B Cl3 F4 N4 O P Pd'
_chemical_formula_weight         836.19
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2012
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1754(6)
_cell_length_b                   10.6880(8)
_cell_length_c                   37.842(3)
_cell_measurement_reflns_used    9786
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      2.19
_cell_volume                     3711.0(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean photon
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0295
_diffrn_reflns_av_unetI/netI     0.0222
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            49269
_diffrn_reflns_point_group_measured_fraction_full 0.982
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.082
_diffrn_reflns_theta_min         2.153
_diffrn_source                   'high brilliance Microfocus Source'
_exptl_absorpt_coefficient_mu    0.812
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6576
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.497
_exptl_crystal_description       prism
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         1.292
_refine_diff_density_min         -0.734
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details
;
 Flack x determined using 2651 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.006(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     448
_refine_ls_number_reflns         6568
_refine_ls_number_restraints     57
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0322
_refine_ls_R_factor_gt           0.0298
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0336P)^2^+5.2666P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0695
_refine_ls_wR_factor_ref         0.0707
_reflns_Friedel_coverage         0.757
_reflns_Friedel_fraction_full    0.982
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                6286
_reflns_number_total             6568
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om4011577_si_002.cif
_cod_data_source_block           1b
_cod_database_code               4082437