Asymmetric organocatalyzed reaction sequence of 2-hydroxy cinnamaldehydes and acyclic N-sulfonyl ketimines to construct diverse chiral bridged polycyclic aminals
Chen, Ying-Han; Lv, Xue-Jiao; You, Zhi-Hao; Liu, Yan-Kai; Organic Chemistry Frontiers 6 (2019) 3725–; doi:10.1039/C9QO01116A

data_1555190
_publ_section_title
;
 Asymmetric organocatalyzed reaction sequence of 2-hydroxy cinnamaldehydes
 and acyclic N-sulfonyl ketimines to construct diverse chiral bridged
 polycyclic aminals
;
_journal_issue                   22
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              3725
_journal_paper_doi               10.1039/C9QO01116A
_journal_volume                  6
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C25 H25 N O4 S'
_chemical_formula_sum            'C25 H25 N O4 S'
_chemical_formula_weight         435.52
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2018-12-07
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-04-22 deposited with the CCDC.	2019-10-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.974(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   26.476(4)
_cell_length_b                   9.6581(15)
_cell_length_c                   9.1391(14)
_cell_measurement_reflns_used    2524
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      23.645
_cell_measurement_theta_min      2.935
_cell_volume                     2308.3(6)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0187
_diffrn_reflns_av_unetI/netI     0.0407
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6883
_diffrn_reflns_point_group_measured_fraction_full 0.897
_diffrn_reflns_point_group_measured_fraction_max 0.848
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.491
_diffrn_reflns_theta_min         2.534
_exptl_absorpt_coefficient_mu    0.171
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6340
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/3 (Bruker,2014/3) was used for absorption correction. wR2(int) was 0.0896 before and 0.0371 after correction. The Ratio of minimum to maximum transmission is 0.8503. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.253
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_refine_diff_density_max         0.162
_refine_diff_density_min         -0.224
_refine_diff_density_rms         0.034
_refine_ls_abs_structure_details
;
 Flack x determined using 1159 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.04(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         4503
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0386P)^2^+0.7359P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0848
_refine_ls_wR_factor_ref         0.0950
_reflns_Friedel_coverage         0.633
_reflns_Friedel_fraction_full    0.784
_reflns_Friedel_fraction_max     0.699
_reflns_number_gt                3509
_reflns_number_total             4503
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9qo01116a2.cif
_cod_data_source_block           181206cyh_0m
_cod_database_code               1555190
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All N(H) groups
2.a Ternary CH refined with riding coordinates:
 C1(H1A), C4(H4)
2.b Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C14(H14A,H14B)
2.c Aromatic/amide H refined with riding coordinates:
 C8(H8), C9(H9), C11(H11), C12(H12), C15(H15), C16(H16), C17(H17), C18(H18),
 C20(H20), C21(H21), C23(H23), C24(H24)
2.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C25(H25A,H25B,H25C)
;
_shelx_res_checksum              76040
_olex2_submission_special_instructions 'No special instructions were received'