Enantioselective synthesis of cis-hexahydro-γ-carboline derivatives via Ir-catalysed asymmetric hydrogenation
Zheng, Long-Sheng; Yin, Congcong; Wang, Fangyuan; Chen, Gen-Qiang; Zhang, Xumu; Chemical Communications  (2022) –; doi:10.1039/D1CC06888A

data_7129666
_publ_section_title
;
 Enantioselective synthesis of cis-hexahydro-\g-carboline derivatives via
 Ir-catalysed asymmetric hydrogenation
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D1CC06888A
_journal_year                    2022
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C14 H18 N2 O2'
_chemical_formula_sum            'C14 H18 N2 O2'
_chemical_formula_weight         246.30
_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'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2021-09-08
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-09-08 deposited with the CCDC.	2022-02-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.910(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.5260(7)
_cell_length_b                   7.7633(6)
_cell_length_c                   9.5887(8)
_cell_measurement_reflns_used    9535
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      72.675
_cell_measurement_theta_min      4.668
_cell_volume                     627.02(9)
_computing_cell_refinement       'SAINT V8.40A (?, 2016)'
_computing_data_reduction        'SAINT V8.40A (?, 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 APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0620
_diffrn_reflns_av_unetI/netI     0.0383
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            17968
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.625
_diffrn_reflns_theta_min         4.668
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.710
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.4687
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1546 before and 0.0936 after correction. The Ratio of minimum to maximum transmission is 0.6219. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'light colourless'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       block
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.221
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 1100 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.03(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2463
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0332
_refine_ls_R_factor_gt           0.0331
_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^)+(0.0490P)^2^+0.1191P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0858
_refine_ls_wR_factor_ref         0.0859
_reflns_Friedel_coverage         0.838
_reflns_Friedel_fraction_full    0.991
_reflns_Friedel_fraction_max     0.971
_reflns_number_gt                2445
_reflns_number_total             2463
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc06888a2.cif
_cod_data_source_block           1
_cod_database_code               7129666
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.932
_shelx_estimated_absorpt_t_min   0.913
_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
2.a Ternary CH refined with riding coordinates:
 C7(H7), C8(H8)
2.b Secondary CH2 refined with riding coordinates:
 C9(H9a,H9b), C10(H10a,H10b), C11(H11a,H11b), C13(H13a,H13b)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5)
2.d Idealised Me refined as rotating group:
 C14(H14a,H14b,H14c)
;
_shelx_res_checksum              33501
_olex2_submission_special_instructions 'No special instructions were received'