Palladium-Catalyzed C-F Activation of Polyfluoronitrobenzene Derivatives in Suzuki-Miyaura Coupling Reactions
Matthew R. Cargill; Graham Sandford; Andrezj J. Tadeusiak; Dmitrii S. Yufit; Judith A. K. Howard; Pinar Kilickiran; Gabrielle Nelles; Journal of Organic Chemistry 75 (2010) 5860–5866; doi:10.1021/jo100877j

data_4025616
_publ_contact_author_address
;
Department of Chemistry
Durham University
South Rd.
Durham
DH1 3LE
UK
;
_publ_contact_author_email       d.s.yufit@durham.ac.uk
_publ_contact_author_name        'Dmitry Yufit'
_publ_section_title
;
 Palladium-Catalyzed C-F Activation of Polyfluoronitrobenzene Derivatives
 in Suzuki-Miyaura Coupling Reactions
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5860
_journal_page_last               5866
_journal_paper_doi               10.1021/jo100877j
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C12 H5 F4 N O2'
_chemical_formula_sum            'C12 H5 F4 N O2'
_chemical_formula_weight         271.17
_chemical_melting_point          343.6(5)
_chemical_name_systematic
; 
2,3,4,5-tetrafluoro-6-nitrobiphenyl 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.53(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6907(5)
_cell_length_b                   11.4847(8)
_cell_length_c                   11.9766(8)
_cell_measurement_reflns_used    1743
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.33
_cell_measurement_theta_min      3.09
_cell_volume                     1056.81(12)
_computing_cell_refinement       'SAINT Ver. 6.45  (Bruker-AXS, 2003)'
_computing_data_collection       'SMART Ver. 5.630 (Bruker-AXS, 2003)'
_computing_data_reduction        'SAINT Ver. 6.45'
_computing_molecular_graphics    'SHELXTL Ver. 6.14'
_computing_publication_material  'SHELXTL Ver. 6.14'
_computing_structure_refinement  'SHELXTL Ver. 6.14'
_computing_structure_solution    'SHELXTL Ver. 6.14 (Bruker-AXS, 2003)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART CCD 6000'
_diffrn_measurement_method       '0.30\% \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1697
_diffrn_reflns_av_sigmaI/netI    0.1123
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11142
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.46
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.163
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.704
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       stick
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.379
_refine_diff_density_min         -0.347
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     204
_refine_ls_number_reflns         2411
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.1236
_refine_ls_R_factor_gt           0.0664
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0850P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1702
_refine_ls_wR_factor_ref         0.1927
_reflns_number_gt                1303
_reflns_number_total             2411
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo100877j_si_003.cif
_cod_data_source_block           2_09srv245_gsx
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '70-71 C' was changed to '343.6(5)' -
it was converted from degrees Celsius(C) to Kelvins(K), the average
value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        1056.80(12)
_cod_original_sg_symbol_Hall     '-P 2yn      '
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_database_code               4025616