In situ generation of ion-paired chiral ligands: rapid identification of the optimal ligand for palladium-catalyzed asymmetric allylation
Ohmatsu, Kohsuke; Hara, Yoshiyuki; Ooi, Takashi; Chemical Science 5 (2014) 3645–; doi:10.1039/C4SC01032A

data_1517325
_publ_section_title
;
 In situ generation of ion-paired chiral ligands: rapid identification of
 the optimal ligand for palladium-catalyzed asymmetric allylation
;
_journal_issue                   9
_journal_name_full               'Chemical Science'
_journal_page_first              3645
_journal_paper_doi               10.1039/C4SC01032A
_journal_volume                  5
_journal_year                    2014
_chemical_absolute_configuration S
_chemical_formula_sum            'C23 H24 O3 S'
_chemical_formula_weight         380.48
_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                   6.5465(17)
_cell_length_b                   7.844(2)
_cell_length_c                   38.945(10)
_cell_measurement_temperature    103(2)
_cell_volume                     1999.9(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      103(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.948
_diffrn_measured_fraction_theta_max 0.948
_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  0.0215
_diffrn_reflns_av_sigmaI/netI    0.3355
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       53
_diffrn_reflns_limit_l_min       -44
_diffrn_reflns_number            12232
_diffrn_reflns_theta_full        29.14
_diffrn_reflns_theta_max         29.14
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    0.182
_exptl_absorpt_correction_T_max  0.9475
_exptl_absorpt_correction_T_min  0.8682
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.168
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.662
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     247
_refine_ls_number_reflns         5092
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.662
_refine_ls_R_factor_all          0.0559
_refine_ls_R_factor_gt           0.0235
_refine_ls_shift/su_max          0.023
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0191P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0420
_refine_ls_wR_factor_ref         0.0426
_reflns_number_gt                1597
_reflns_number_total             5092
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             1516150
_cod_data_source_file            c4sc01032a2.cif
_cod_data_source_block           3y19har
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/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      p_21_21_21
_cod_database_code               1517325