Desymmetrization of cyclic 1,3-diketones via Ir-catalyzed hydrogenation: an efficient approach to cyclic hydroxy ketones with a chiral quaternary carbon
Gong, Quan; Wen, Jialin; Zhang, Xumu; Chemical Science  (2019) –; doi:10.1039/C9SC01769K

data_1551083
_publ_section_title
;
 Desymmetrization of cyclic 1,3-diketones via Ir-catalyzed hydrogenation:
 an efficient approach to cyclic hydroxy ketones with a chiral quaternary
 carbon
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C9SC01769K
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C13 H18 O2'
_chemical_formula_sum            'C13 H18 O2'
_chemical_formula_weight         206.27
_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_creation_date             2019-03-01
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-03-28 deposited with the CCDC.    2019-05-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.496(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.9109(7)
_cell_length_b                   9.9938(9)
_cell_length_c                   8.2507(8)
_cell_measurement_reflns_used    6265
_cell_measurement_temperature    100
_cell_measurement_theta_max      68.50
_cell_measurement_theta_min      5.37
_cell_volume                     569.30(9)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker PHOTO 100 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0493
_diffrn_reflns_av_unetI/netI     0.0434
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7567
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.490
_diffrn_reflns_theta_min         5.366
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.628
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.5675
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0999 before and 0.0755 after correction. The Ratio of minimum to maximum transmission is 0.7536. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.203
_exptl_crystal_description       block
_exptl_crystal_F_000             224
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.206
_refine_diff_density_min         -0.158
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details
;
 Flack x determined using 892 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.1(2)
_refine_ls_extinction_coef       0.017(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     140
_refine_ls_number_reflns         2079
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0410
_refine_ls_R_factor_gt           0.0387
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0452P)^2^+0.1863P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0989
_refine_ls_wR_factor_ref         0.1018
_reflns_Friedel_coverage         0.871
_reflns_Friedel_fraction_full    0.985
_reflns_Friedel_fraction_max     0.985
_reflns_number_gt                1988
_reflns_number_total             2079
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc01769k2.cif
_cod_data_source_block           cxy0647_0m
_cod_database_code               1551083
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7), C11(H11)
2.b Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C8(H8A,H8B), C12(H12A,H12B)
2.c Aromatic/amide H refined with riding coordinates:
 C1(H1A), C2(H2A), C3(H3), C9(H9), C10(H10)
2.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C)
2.e Idealised tetrahedral OH refined as rotating group:
 O1(H1), O2(H2)
;
_shelx_res_checksum              22684
_olex2_submission_special_instructions 'No special instructions were received'