Iridium-catalyzed asymmetric hydrogenation of quinazolinones
Feng, Guang-Shou; Zhao, Zi-Biao; Shi, Lei; Zhou, Yong-Gui; Organic Chemistry Frontiers 6 (2019) 2250–; doi:10.1039/C9QO00443B

data_1554913
_publ_section_title
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 Iridium-catalyzed asymmetric hydrogenation of quinazolinones
;
_journal_issue                   13
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              2250
_journal_paper_doi               10.1039/C9QO00443B
_journal_volume                  6
_journal_year                    2019
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C14 H12 N2 O'
_chemical_formula_sum            'C14 H12 N2 O'
_chemical_formula_weight         224.26
_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   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-05-18
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2016-05-18 deposited with the CCDC.	2019-04-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.8959(8)
_cell_length_b                   7.1261(6)
_cell_length_c                   24.020(3)
_cell_measurement_reflns_used    692
_cell_measurement_temperature    296
_cell_measurement_theta_max      48.23
_cell_measurement_theta_min      3.68
_cell_volume                     1180.4(2)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0786
_diffrn_reflns_av_unetI/netI     0.0711
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.975
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            7190
_diffrn_reflns_point_group_measured_fraction_full 0.966
_diffrn_reflns_point_group_measured_fraction_max 0.945
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         69.772
_diffrn_reflns_theta_min         3.680
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.649
_exptl_absorpt_correction_T_max  0.7533
_exptl_absorpt_correction_T_min  0.3895
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.1421 before and 0.0719 after correction.
The Ratio of minimum to maximum transmission is 0.5171.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.211
_refine_diff_density_min         -0.261
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details
;
 Flack x determined using 297 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.2(7)
_refine_ls_extinction_coef       0.009(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.912
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2103
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.912
_refine_ls_R_factor_all          0.1156
_refine_ls_R_factor_gt           0.0683
_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^)+(0.1047P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1729
_refine_ls_wR_factor_ref         0.2048
_reflns_Friedel_coverage         0.625
_reflns_Friedel_fraction_full    0.931
_reflns_Friedel_fraction_max     0.900
_reflns_number_gt                1111
_reflns_number_total             2103
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9qo00443b2.cif
_cod_data_source_block           cu_dm16292_0m
_cod_database_code               1554913
_shelxl_version_number           2014-3
_shelx_estimated_absorpt_t_max   0.987
_shelx_estimated_absorpt_t_min   0.926
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
2.a Ternary CH refined with riding coordinates:
 C8(H8)
2.b Aromatic/amide H refined with riding coordinates:
 N1(H1), N2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C10(H10), C11(H11), C12(H12),
 C13(H13), C14(H14)
;
_shelx_res_checksum              72507
_shelx_hkl_checksum              90183
_olex2_submission_special_instructions 'No special instructions were received'