Design, synthesis and application of a new type of bifunctional Le-Phos in highly enantioselective γ-addition reactions of N-centered nucleophiles to allenoates
Qiu, Haile; Chen, Xiaofeng; Zhang, Junliang; Chemical Science 10 (2019) 10510–; doi:10.1039/C9SC04073K

data_1556936
_publ_section_title
;
 Design, synthesis and application of a new type of bifunctional Le-Phos
 in highly enantioselective \g-addition reactions of N-centered
 nucleophiles to allenoates
;
_journal_issue                   45
_journal_name_full               'Chemical Science'
_journal_page_first              10510
_journal_paper_doi               10.1039/C9SC04073K
_journal_volume                  10
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_sum            'C21 H25 B F5 N O P S'
_chemical_formula_weight         476.26
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-08-04 deposited with the CCDC.	2019-10-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 96.3700(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.5464(2)
_cell_length_b                   17.3658(6)
_cell_length_c                   21.0198(7)
_cell_measurement_reflns_used    7204
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.44
_cell_measurement_theta_min      2.28
_cell_volume                     2374.85(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Smart Apex II CCD'
_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  0.0426
_diffrn_reflns_av_sigmaI/netI    0.0442
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            27898
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.255
_exptl_absorpt_correction_T_max  0.9320
_exptl_absorpt_correction_T_min  0.9137
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.332
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             988
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.428
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     583
_refine_ls_number_reflns         8322
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0442
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0468P)^2^+0.3726P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0869
_refine_ls_wR_factor_ref         0.0912
_reflns_number_gt                7464
_reflns_number_total             8322
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9sc04073k2.cif
_cod_data_source_block           z
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/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 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1556936