Carbene-catalyzed enantioselective oxidative coupling of enals and di(hetero)arylmethanes.
Chen, Qiao; Zhu, Tingshun; Majhi, Pankaj Kumar; Mou, Chengli; Chai, Huifang; Zhang, Jingjie; Zhuo, Shitian; Chi, Yonggui Robin; Chemical science 9 (2018) 8711–8715; doi:10.1039/c8sc03480j

data_1549964
_publ_section_title
;
 Carbene-catalyzed enantioselective oxidative coupling of enals and
 di(hetero)arylmethanes.
;
_journal_issue                   46
_journal_name_full               'Chemical science'
_journal_page_first              8711
_journal_page_last               8715
_journal_paper_doi               10.1039/c8sc03480j
_journal_volume                  9
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_sum            'C23 H16 Br N3 O3'
_chemical_formula_weight         462.30
_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_update_record
;
2018-05-15 deposited with the CCDC.
2018-09-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.4810(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.73550(10)
_cell_length_b                   16.4707(3)
_cell_length_c                   10.5767(2)
_cell_measurement_reflns_used    7896
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      30.9292
_cell_measurement_theta_min      2.3498
_cell_volume                     962.91(3)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2017)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2017)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'XS, VERSION 2013/1'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Photon II CPADs detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Multilayer Mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0266
_diffrn_reflns_av_unetI/netI     0.0412
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14036
_diffrn_reflns_theta_full        31.00
_diffrn_reflns_theta_max         31.00
_diffrn_reflns_theta_min         2.35
_diffrn_source                   'Incoatec microfocus source'
_diffrn_source_type              'Bruker D8 Quest'
_exptl_absorpt_coefficient_mu    2.167
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.60
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.594
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.140
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.285
_refine_ls_abs_structure_details
;

Flack x determined using 2396 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.015(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         6053
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0359
_refine_ls_R_factor_gt           0.0300
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0297P)^2^+0.1872P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0629
_refine_ls_wR_factor_ref         0.0653
_reflns_number_gt                5537
_reflns_number_total             6053
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8sc03480j2.cif
_cod_data_source_block           cyg226m
_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 

 Adding full bibliography for 1549963--1549964.cif.
;
_cod_database_code               1549964
_shelx_res_checksum              96727
_shelx_hkl_checksum              1260