Water Enables Diastereodivergency in Bispidine-Based Chiral Amine-Catalyzed Asymmetric Mannich Reaction of Cyclic N-Sulfonyl Ketimines with Ketones
Li, Gonglin; Zhang, Yan; Zeng, Hongkun; Feng, Xiaoming; Su, Zhishan; Lin, Lili; Chemical Science  (2022) –; doi:10.1039/D2SC00446A

data_1566683
_publ_section_title
;
 Water Enables Diastereodivergency in Bispidine-Based Chiral
 Amine-Catalyzed Asymmetric Mannich Reaction of Cyclic N-Sulfonyl
 Ketimines with Ketones
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC00446A
_journal_year                    2022
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H19 N O6 S'
_chemical_formula_sum            'C16 H19 N O6 S'
_chemical_formula_weight         353.38
_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   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-05-18 deposited with the CCDC.	2022-03-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.408(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.1269(6)
_cell_length_b                   8.0430(5)
_cell_length_c                   10.8756(7)
_cell_measurement_reflns_used    9931
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      72.37
_cell_measurement_theta_min      4.46
_cell_volume                     806.66(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT (Sheldrick 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Bruker D8 Venture Photon II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0447
_diffrn_reflns_av_unetI/netI     0.0376
_diffrn_reflns_Laue_measured_fraction_full 0.977
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            13337
_diffrn_reflns_point_group_measured_fraction_full 0.963
_diffrn_reflns_point_group_measured_fraction_max 0.957
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.362
_diffrn_reflns_theta_min         4.464
_exptl_absorpt_coefficient_mu    2.087
_exptl_absorpt_correction_T_max  0.9281
_exptl_absorpt_correction_T_min  0.5643
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Krause et al., 2015)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.455
_exptl_crystal_description       block
_exptl_crystal_F_000             372
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: DCM, PE'
_exptl_crystal_size_max          0.522
_exptl_crystal_size_mid          0.103
_exptl_crystal_size_min          0.086
_refine_diff_density_max         0.183
_refine_diff_density_min         -0.464
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details
; 
 Flack x determined using 1303 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   0.077(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         3036
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0305
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0351P)^2^+0.2455P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0741
_refine_ls_wR_factor_ref         0.0764
_reflns_Friedel_coverage         0.819
_reflns_Friedel_fraction_full    0.947
_reflns_Friedel_fraction_max     0.932
_reflns_number_gt                2976
_reflns_number_total             3036
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc00446a2.cif
_cod_data_source_block           lgl012
_cod_original_cell_volume        806.65(9)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1566683
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.409
_shelx_estimated_absorpt_t_max   0.841
_shelx_res_checksum              95744
_shelx_hkl_checksum              80543