Axially chiral styrene-based organocatalysts and their application in asymmetric cascade Michael/cyclization reaction.
Hao, Yu; Li, Zi-Hao; Ma, Zhi-Gang; Liu, Ru-Xin; Ge, Rui-Tian; Li, Quan-Zhe; Ding, Tong-Mei; Zhang, Shu-Yu; Chemical science 14 (2023) 9496–9502; doi:10.1039/d3sc02705h

data_1569693
_publ_section_title
;
 Axially chiral styrene-based organocatalysts and their application in
 asymmetric cascade Michael/cyclization reaction.
;
_journal_issue                   35
_journal_name_full               'Chemical science'
_journal_page_first              9496
_journal_page_last               9502
_journal_paper_doi               10.1039/d3sc02705h
_journal_volume                  14
_journal_year                    2023
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C31 H27 F3 N4 O2'
_chemical_formula_sum            'C31 H27 F3 N4 O2'
_chemical_formula_weight         544.56
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-03-25 deposited with the CCDC.	2023-08-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.5678(2)
_cell_length_b                   11.8802(3)
_cell_length_c                   21.0636(4)
_cell_measurement_reflns_used    9869
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      68.32
_cell_measurement_theta_min      4.27
_cell_volume                     2644.48(10)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0426
_diffrn_reflns_av_unetI/netI     0.0245
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            31549
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.443
_diffrn_reflns_theta_min         4.272
_exptl_absorpt_coefficient_mu    0.847
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6409
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.368
_exptl_crystal_description       block
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.140
_refine_diff_density_max         0.177
_refine_diff_density_min         -0.166
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
;
 Flack x determined using 1909 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.01(4)
_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     368
_refine_ls_number_reflns         4856
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0320
_refine_ls_R_factor_gt           0.0293
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0436P)^2^+0.3771P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0738
_refine_ls_wR_factor_ref         0.0759
_reflns_Friedel_coverage         0.762
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                4569
_reflns_number_total             4856
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc02705h2.cif
_cod_data_source_block           t_a_CCDC1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_absolute_configuration' value 'AD' was changed
to 'ad' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 1569692--1569694.cif.
;
_cod_database_code               1569693
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.862
_shelx_estimated_absorpt_t_max   0.891
_shelx_res_checksum              14326