Functional Phosphine Derivatives Having Stationary and Flexible Chiralities: Their Preparation and Chirality Controlling.
Zhang, Yu; Nie, Shao-Zhen; Ye, Jing-Jing; Wang, Ji-Ping; Zhou, Meng-Meng; Zhao, Chang-Qiu; Li, Qiang; The Journal of organic chemistry 84 (2019) 8423–8439; doi:10.1021/acs.joc.9b00346

data_4034131
_publ_section_title
;
 Functional Phosphine Derivatives Having Stationary and Flexible
 Chiralities: Their Preparation and Chirality Controlling.
;
_journal_issue                   13
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8423
_journal_page_last               8439
_journal_paper_doi               10.1021/acs.joc.9b00346
_journal_volume                  84
_journal_year                    2019
_chemical_absolute_configuration R/R
_chemical_formula_sum            'C22 H30 B O3 P S'
_chemical_formula_weight         416.30
_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-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 102.423(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.0198(7)
_cell_length_b                   16.1608(12)
_cell_length_c                   16.3197(13)
_cell_measurement_reflns_used    3569
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      21.252
_cell_measurement_theta_min      2.312
_cell_volume                     2323.2(3)
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0356
_diffrn_reflns_av_unetI/netI     0.0511
_diffrn_reflns_Laue_measured_fraction_full 0.973
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11702
_diffrn_reflns_point_group_measured_fraction_full 0.709
_diffrn_reflns_point_group_measured_fraction_max 0.728
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.018
_diffrn_reflns_theta_min         2.312
_exptl_absorpt_coefficient_mu    0.227
_exptl_absorpt_correction_T_max  0.9639
_exptl_absorpt_correction_T_min  0.9352
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_description       block
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.330
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_exptl_transmission_factor_max   0.96
_exptl_transmission_factor_min   0.93
_refine_diff_density_max         0.354
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details
;
 Flack x determined using 1150 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.08(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     513
_refine_ls_number_reflns         5961
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0450
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0552P)^2^+0.0892P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1015
_refine_ls_wR_factor_ref         0.1142
_reflns_Friedel_coverage         0.404
_reflns_Friedel_fraction_full    0.424
_reflns_Friedel_fraction_max     0.436
_reflns_number_gt                4391
_reflns_number_total             5961
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b00346_si_008.cif
_cod_data_source_block           171015b
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4034131
_shelx_estimated_absorpt_t_min   0.929
_shelx_estimated_absorpt_t_max   0.960
_shelxl_version_number           2014/6
_shelx_res_checksum              67745
_shelx_hkl_checksum              15261