Preparation of chiral α-monofluoroalkylphosphonic acids and their evaluation as inhibitors of protein tyrosine phosphatase 1B
Kotoris, Christopher C.; Wen, Wendy; Lough, Alan; Taylor, Scott D.; Journal of the Chemical Society, Perkin Transactions 1  (2000) 1271–; doi:10.1039/a908086d

data_7213197
_publ_section_title
;
 Preparation of chiral \a-monofluoroalkylphosphonic acids and their
 evaluation as inhibitors of protein tyrosine phosphatase 1B
;
_journal_issue                   8
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 1'
_journal_page_first              1271
_journal_paper_doi               10.1039/a908086d
_journal_year                    2000
_chemical_formula_sum            'C21 H21 F N O2 P'
_chemical_formula_weight         369.36
_space_group_IT_number           4
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.744(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.6666(4)
_cell_length_b                   12.1266(5)
_cell_length_c                   11.6697(6)
_cell_measurement_temperature    200(2)
_cell_volume                     936.89(8)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD server software (Nonius, 1997)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'Bruker SHELXTL V5.1'
_computing_publication_material  'Bruker SHELXTL V5.1'
_computing_structure_refinement  'Bruker SHELXTL V5.1'
_computing_structure_solution    'Bruker SHELXTL V5.1'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_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  0.032
_diffrn_reflns_av_sigmaI/netI    0.0474
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6432
_diffrn_reflns_theta_full        26.35
_diffrn_reflns_theta_max         26.35
_diffrn_reflns_theta_min         4.39
_exptl_absorpt_coefficient_mu    0.171
_exptl_absorpt_correction_T_max  0.9569
_exptl_absorpt_correction_T_min  0.9379
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Denzo-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_density_diffrn    1.309
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             388
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.137
_refine_diff_density_min         -0.140
_refine_diff_density_rms         0.026
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(8)
_refine_ls_extinction_coef       0.027(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         3690
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0393
_refine_ls_R_factor_gt           0.0328
_refine_ls_shift/su_max          0.073
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0243P)^2^+0.1195P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0771
_refine_ls_wR_factor_ref         0.0800
_reflns_number_gt                3326
_reflns_number_total             3690
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            a908086dsup1.cif
_cod_data_source_block           k98210
_cod_database_code               7213197