Stereodivergent Pd/Cu catalysis: asymmetric alkylation of racemic symmetrical 1,3-diphenyl allyl acetates.
Zhao, Ling; Li, Guanlin; He, Rui; Liu, Penglin; Wang, Feijun; Huo, Xiaohong; Zhao, Min; Zhang, Wanbin; Organic & biomolecular chemistry 19 (2021) 1955–1959; doi:10.1039/d0ob02499f

data_7157894
_publ_section_title
;
 Stereodivergent Pd/Cu catalysis: asymmetric alkylation of racemic
 symmetrical 1,3-diphenyl allyl acetates.
;
_journal_issue                   9
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1955
_journal_page_last               1959
_journal_paper_doi               10.1039/d0ob02499f
_journal_volume                  19
_journal_year                    2021
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C28 H26 Cl N O2'
_chemical_formula_sum            'C28 H26 Cl N O2'
_chemical_formula_weight         443.95
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-12-13 deposited with the CCDC.	2021-02-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.743(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.6212(9)
_cell_length_b                   11.7654(12)
_cell_length_c                   12.0329(12)
_cell_measurement_reflns_used    5366
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      68.04
_cell_measurement_theta_min      3.74
_cell_volume                     1199.1(2)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0379
_diffrn_reflns_av_unetI/netI     0.0666
_diffrn_reflns_Laue_measured_fraction_full 0.986
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            9023
_diffrn_reflns_point_group_measured_fraction_full 0.940
_diffrn_reflns_point_group_measured_fraction_max 0.935
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.395
_diffrn_reflns_theta_min         3.739
_exptl_absorpt_coefficient_mu    1.594
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_description       block
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_exptl_transmission_factor_max   0.7531
_exptl_transmission_factor_min   0.6263
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details
;
 Flack x determined using 1233 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.060(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         4141
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0861
_refine_ls_R_factor_gt           0.0511
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0943P)^2^+0.0905P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1545
_refine_ls_wR_factor_ref         0.1678
_reflns_Friedel_coverage         0.807
_reflns_Friedel_fraction_full    0.889
_reflns_Friedel_fraction_max     0.882
_reflns_number_gt                3250
_reflns_number_total             4141
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ob02499f2.cif
_cod_data_source_block           a_a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_absolute_configuration' value 'AD' was changed
to 'ad' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7157894--7157895.cif.
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7157894
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.721
_shelx_estimated_absorpt_t_max   0.762
_shelx_res_checksum              37136