Radical fluorination powered expedient synthesis of 3-fluorobicyclo[1.1.1]pentan-1-amine.
Goh, Yi Ling; Adsool, Vikrant A.; Organic & biomolecular chemistry 13 (2015) 11597–11601; doi:10.1039/c5ob02066b

data_7154784
_publ_section_title
;
 Radical fluorination powered expedient synthesis of
 3-fluorobicyclo[1.1.1]pentan-1-amine.
;
_journal_issue                   48
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              11597
_journal_page_last               11601
_journal_paper_doi               10.1039/c5ob02066b
_journal_volume                  13
_journal_year                    2015
_chemical_formula_sum            'C6 H7 F O2'
_chemical_formula_weight         130.12
_chemical_melting_point          397.15
_chemical_name_systematic
'3-fluorobicyclo[1.1.1]pentane-1-carboxylic acid'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_update_record
;
2015-07-10 deposited with the CCDC.
2015-10-30 downloaded from the CCDC.
;
_cell_angle_alpha                84.283(8)
_cell_angle_beta                 78.772(9)
_cell_angle_gamma                68.545(7)
_cell_formula_units_Z            2
_cell_length_a                   5.3910(6)
_cell_length_b                   5.4434(6)
_cell_length_c                   11.1433(12)
_cell_measurement_reflns_used    1048
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      27.0315
_cell_measurement_theta_min      5.0672
_cell_volume                     298.37(6)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX2 (Bruker AXS Inc., 2014)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2014)'
_computing_publication_material  'APEX2 (Bruker AXS Inc., 2014)'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0714
_diffrn_reflns_av_unetI/netI     0.0852
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5361
_diffrn_reflns_theta_full        31.20
_diffrn_reflns_theta_max         31.20
_diffrn_reflns_theta_min         5.07
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.127
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.64
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.448
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             136
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Pentane'
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.410
_exptl_crystal_size_min          0.260
_refine_diff_density_max         0.449
_refine_diff_density_min         -0.282
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     82
_refine_ls_number_reflns         1889
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0884
_refine_ls_R_factor_gt           0.0567
_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^)+(0.0633P)^2^+0.0197P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1333
_refine_ls_wR_factor_ref         0.1499
_reflns_number_gt                1303
_reflns_number_total             1889
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ob02066b2.cif
_cod_data_source_block           I
_cod_depositor_comments
'Adding full bibliography for 7154784--7154786.cif.'
_cod_database_code               7154784
_shelx_res_checksum              10153