An organocatalytic asymmetric Mannich reaction of pyrazoleamides with cyclic trifluoromethyl ketimines: enantioselective access to dihydroquinazolinone skeletons.
Luo, Yuan; Xie, Ke-Xin; Yue, Deng-Feng; Zhang, Xiao-Mei; Xu, Xiao-Ying; Yuan, Wei-Cheng; Organic & biomolecular chemistry 16 (2018) 3372–3375; doi:10.1039/c8ob00707a

data_7156213
_publ_section_title
;
 An organocatalytic asymmetric Mannich reaction of pyrazoleamides with
 cyclic trifluoromethyl ketimines: enantioselective access to
 dihydroquinazolinone skeletons.
;
_journal_issue                   18
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3372
_journal_page_last               3375
_journal_paper_doi               10.1039/c8ob00707a
_journal_volume                  16
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_sum            'C28 H22 Cl F3 N4 O3'
_chemical_formula_weight         554.94
_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'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2017-03-20 deposited with the CCDC.
2018-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.3289(3)
_cell_length_b                   13.7520(4)
_cell_length_c                   18.4669(7)
_cell_measurement_reflns_used    8632
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      25.1990
_cell_measurement_theta_min      3.5490
_cell_volume                     2623.09(15)
_computing_cell_refinement       'CrysAlisPro (Agilent Technologies)'
_computing_data_collection       'CrysAlisPro (Agilent Technologies)'
_computing_data_reduction        'CrysAlisPro (Agilent Technologies)'
_computing_molecular_graphics    'Ortep-3 (L. J. Farrugia, 2001)'
_computing_publication_material  SHELXL-2013
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      290(2)
_diffrn_detector_area_resol_mean 15.9149
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.928
_diffrn_measurement_device_type  'Gemini S Ultra, Agilent Technologies'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0282
_diffrn_reflns_av_unetI/netI     0.0277
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.928
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            23974
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.891
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.549
_diffrn_reflns_theta_min         3.309
_exptl_absorpt_coefficient_mu    0.205
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.81349
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.46 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.141
_refine_diff_density_min         -0.210
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details
;
 Flack x determined using 1792 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.003(22)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     357
_refine_ls_number_reflns         6528
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0640
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0474P)^2^+0.2721P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0942
_refine_ls_wR_factor_ref         0.1040
_reflns_Friedel_coverage         0.717
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.843
_reflns_number_gt                4928
_reflns_number_total             6528
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ob00707a2.cif
_cod_data_source_block           shelxl
_cod_depositor_comments          'Adding full bibliography for 7156213.cif.'
_cod_database_code               7156213
_shelx_estimated_absorpt_t_min   0.956
_shelx_estimated_absorpt_t_max   0.970
_shelxl_version_number           2013-4
_shelx_res_checksum              21156