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_1569694
_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         'C35 H30 N4 O2, C H4 O'
_chemical_formula_sum            'C36 H34 N4 O3'
_chemical_formula_weight         570.67
_space_group_crystal_system      tetragonal
_space_group_IT_number           78
_space_group_name_Hall           'P 4cw'
_space_group_name_H-M_alt        'P 43'
_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            8
_cell_length_a                   11.977(5)
_cell_length_b                   11.977
_cell_length_c                   42.045(13)
_cell_measurement_reflns_used    9867
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      64.96
_cell_measurement_theta_min      3.68
_cell_volume                     6031(3)
_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 0.997
_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  0.0898
_diffrn_reflns_av_unetI/netI     0.0485
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       48
_diffrn_reflns_limit_l_min       -50
_diffrn_reflns_number            61410
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        67.142
_diffrn_reflns_theta_max         67.142
_diffrn_reflns_theta_min         3.690
_exptl_absorpt_coefficient_mu    0.645
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.6348
_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    1.257
_exptl_crystal_description       block
_exptl_crystal_F_000             2416
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.140
_refine_diff_density_max         0.599
_refine_diff_density_min         -0.344
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details
;
 Flack x determined using 3382 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.14(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     794
_refine_ls_number_reflns         10685
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0656
_refine_ls_R_factor_gt           0.0488
_refine_ls_shift/su_max          0.016
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0863P)^2^+0.1508P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1268
_refine_ls_wR_factor_ref         0.1399
_reflns_Friedel_coverage         0.959
_reflns_Friedel_fraction_full    0.985
_reflns_Friedel_fraction_max     0.985
_reflns_number_gt                8621
_reflns_number_total             10685
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc02705h2.cif
_cod_data_source_block           a_a
_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_original_cell_volume        6031(5)
_cod_database_code               1569694
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.904
_shelx_estimated_absorpt_t_max   0.915
_shelx_res_checksum              99511