Synthesis of Polyhalogenated 4,4'-Bipyridines via a Simple Dimerization Procedure
Mohamed Abboud; Victor Mamane; Emmanuel Aubert; Claude Lecomte; Yves Fort; Journal of Organic Chemistry 75 (2010) 3224–3231; doi:10.1021/jo100152e

data_4025413
_publ_contact_author_address
;Equipe Synth\`ese Organom\'etallique de R\'eactivit\'e (SOR)
Laboratoire SRSMC UMR CNRS-UHP 7565
Nancy-Universit\'e
Boulevard des Aiguillettes BP70239
54506 Vandoeuvre-l\`es-Nancy
France
;
_publ_contact_author_email       victor.mamane@sor.uhp-nancy.fr
_publ_contact_author_fax         '(33) 3 83 68 47 85'
_publ_contact_author_name        'Mamane, Victor'
_publ_contact_author_phone       '(33) 3 83 68 43 20'
_publ_section_title
;
 Synthesis of Polyhalogenated 4,4'-Bipyridines via a Simple Dimerization
 Procedure
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3224
_journal_page_last               3231
_journal_paper_doi               10.1021/jo100152e
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C10 H4 Br4 N2'
_chemical_formula_sum            'C10 H4 Br4 N2'
_chemical_formula_weight         471.79
_chemical_name_systematic
;
 2,6,2',6'-Tetrabromo-[3,4']bipyridinyl
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 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                 117.055(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1110(2)
_cell_length_b                   20.3758(2)
_cell_length_c                   8.26640(10)
_cell_measurement_reflns_used    9345
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      37.7073
_cell_measurement_theta_min      3.4075
_cell_volume                     1216.67(4)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.48 (release 15-09-2009 CrysAlis171 .NET)
(compiled Sep 15 2009,11:49:04)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.48 (release 15-09-2009 CrysAlis171 .NET)
(compiled Sep 15 2009,11:49:04)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.48 (release 15-09-2009 CrysAlis171 .NET)
(compiled Sep 15 2009,11:49:04)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
;
SIR2004: an improved tool for crystal structure determination and refinement
M. C. Burla, R. Caliandro, M. Camalli, B. Carrozzini, G. L. Cascarano,
 L. De Caro, C. Giacovazzo, G. Polidori and R. Spagna
J. Appl. Cryst. (2005). 38, 381-388
;
_diffrn_ambient_temperature      110(2)
_diffrn_detector_area_resol_mean 10.4508
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0649
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12965
_diffrn_reflns_theta_full        34.65
_diffrn_reflns_theta_max         34.65
_diffrn_reflns_theta_min         3.41
_exptl_absorpt_coefficient_mu    13.193
_exptl_absorpt_correction_T_max  0.637
_exptl_absorpt_correction_T_min  0.145
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.48 (release 15-09-2009 CrysAlis171 .NET)
(compiled Sep 15 2009,11:49:04)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.576
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.2576
_exptl_crystal_size_mid          0.1766
_exptl_crystal_size_min          0.0335
_refine_diff_density_max         1.012
_refine_diff_density_min         -0.844
_refine_diff_density_rms         0.131
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.025(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         5176
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0319
_refine_ls_R_factor_gt           0.0275
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0396P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0646
_refine_ls_wR_factor_ref         0.0660
_reflns_number_gt                4774
_reflns_number_total             5176
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo100152e_si_005.cif
_cod_data_source_block           3j-ma314
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               4025413