Chiral squaramide-catalyzed asymmetric dearomative tandem annulation reaction through kinetic resolution of MBH alcohols: highly enantioselective synthesis of three-dimensional heterocyclic compounds
Zhou, Leijie; Zeng, Yuan; Gao, Xing; Wang, Qijun; Wang, Chang; Wang, Bo; Wang, Wei; Wu, Yongjun; Zheng, Bing; Guo, Hongchao; Chemical Communications  (2019) –; doi:10.1039/C9CC05483A

data_7123961
_publ_section_title
;
 Chiral squaramide-catalyzed asymmetric dearomative tandem annulation
 reaction through kinetic resolution of MBH alcohols: highly
 enantioselective synthesis of three-dimensional heterocyclic compounds
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC05483A
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C27 H25 N2 O5 S'
_chemical_formula_sum            'C27 H25 N2 O5 S'
_chemical_formula_weight         489.55
_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'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-06-14
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2018-07-22 deposited with the CCDC.    2019-08-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.794(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.5581(12)
_cell_length_b                   10.9280(19)
_cell_length_c                   16.216(3)
_cell_measurement_reflns_used    39557
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4776
_cell_measurement_theta_min      1.2572
_cell_volume                     1160.8(4)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)''
_computing_publication_material  'CIFTAB (Sheldrick, 2014)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      173.15
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  'Graphite Monochromator'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0474
_diffrn_reflns_av_unetI/netI     0.0424
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            13224
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.495
_diffrn_reflns_theta_min         2.515
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.183
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.73515
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.401
_exptl_crystal_description       block
_exptl_crystal_F_000             514
_exptl_crystal_size_max          0.366
_exptl_crystal_size_mid          0.319
_exptl_crystal_size_min          0.203
_refine_diff_density_max         0.390
_refine_diff_density_min         -0.270
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details
;
 Flack x determined using 2261 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         5290
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0418
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0571P)^2^+0.2421P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1085
_refine_ls_wR_factor_ref         0.1093
_reflns_Friedel_coverage         0.892
_reflns_Friedel_fraction_full    0.991
_reflns_Friedel_fraction_max     0.986
_reflns_number_gt                5172
_reflns_number_total             5290
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc05483a2.cif
_cod_data_source_block           sa5322
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               7123961
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.964
_shelx_estimated_absorpt_t_min   0.936
_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
2.a Ternary CH refined with riding coordinates:
 C1(H1), C2(H2), C3(H3)
2.b Secondary CH2 refined with riding coordinates:
 C18(H18A,H18B)
2.c Aromatic/amide H refined with riding coordinates:
 C5(H5), C7(H7), C8(H8), C9(H9), C10(H10), C13(H13), C14(H14), C15(H15),
 C16(H16), C17(H17), C22(H22), C23(H23), C25(H25), C26(H26)
2.d Idealised Me refined as rotating group:
 C20(H20A,H20B,H20C), C27(H27A,H27B,H27C)
;
_shelx_res_checksum              40939
_olex2_submission_special_instructions 'No special instructions were received'