An efficient route to chiral N-heterocycles bearing a C-F stereogenic center via asymmetric hydrogenation of fluorinated isoquinolines
Ran-Ning Guo; Xian-Feng Cai; Lei Shi; Zhi-Shi Ye; Mu-Wang Chen; Yong-Gui Zhou; Chem.Commun. 49 (2013) 8537–; doi:10.1039/c3cc45341c

data_7109752
_publ_section_title
;
 An efficient route to chiral N-heterocycles bearing a C-F stereogenic
 center via asymmetric hydrogenation of fluorinated isoquinolines
;
_journal_name_full               Chem.Commun.
_journal_page_first              8537
_journal_paper_doi               10.1039/c3cc45341c
_journal_volume                  49
_journal_year                    2013
_chemical_absolute_configuration ad
_chemical_formula_sum            'C19 H19 Br F N O'
_chemical_formula_weight         376.26
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.8517(5)
_cell_length_b                   16.9278(15)
_cell_length_c                   17.4654(15)
_cell_measurement_reflns_used    2290
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      40.047
_cell_measurement_theta_min      4.813
_cell_volume                     1730.1(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0489
_diffrn_reflns_av_sigmaI/netI    0.0546
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            10163
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    2.389
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.49503
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.311
_exptl_crystal_size_mid          0.165
_exptl_crystal_size_min          0.147
_refine_diff_density_max         0.242
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.012(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3388
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0602
_refine_ls_R_factor_gt           0.0405
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0455P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.1000
_reflns_number_gt                2512
_reflns_number_total             3388
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc45341c.txt
_cod_data_source_block           cd212483
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7109752