Accessing (Multi)Fluorinated Piperidines Using Heterogeneous Hydrogenation
Wagener, Tobias; Heusler, Arne; Nairoukh, Zackaria; Bergander, Klaus; Daniliuc, Constantin G.; Glorius, Frank; ACS Catalysis  (2020) 12052–12057; doi:10.1021/acscatal.0c03278

data_4518111
_publ_section_title
;
 Accessing (Multi)Fluorinated Piperidines Using Heterogeneous
 Hydrogenation
;
_journal_name_full               'ACS Catalysis'
_journal_page_first              12052
_journal_page_last               12057
_journal_paper_doi               10.1021/acscatal.0c03278
_journal_year                    2020
_chemical_formula_sum            'C12 H13 F4 N'
_chemical_formula_weight         247.23
_space_group_crystal_system      orthorhombic
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           'APEX3 v2016.1-0'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.6845(4)
_cell_length_b                   6.2599(2)
_cell_length_c                   21.2252(5)
_cell_measurement_reflns_used    3690
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      66.6586
_cell_measurement_theta_min      4.1657
_cell_volume                     2216.83(10)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection       'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_publication_material  'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Kappa CCD APEXII'
_diffrn_measurement_method       'phi / omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0443
_diffrn_reflns_av_unetI/netI     0.0257
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            14196
_diffrn_reflns_theta_full        66.65
_diffrn_reflns_theta_max         66.65
_diffrn_reflns_theta_min         4.17
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.174
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Bruker AXS (2014). SADABS, Version 2014/5, Bruker AXS Inc., Madison, Wisconsin,
USA.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.482
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.240
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         1962
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0414
_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^)+(0.0713P)^2^+0.7190P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1105
_refine_ls_wR_factor_ref         0.1157
_reflns_number_gt                1671
_reflns_number_total             1962
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs0c03278_si_002.cif
_cod_data_source_block           glo9642
_cod_database_code               4518111
_shelx_res_checksum              12634
_shelx_hkl_checksum              67505