A Rational Protocol for the Synthesis of Arylated Bipyridine Ligands via a Cycloaddition Pathway
Stéphane Diring; Pascal Retailleau; Raymond Ziessel; Journal of Organic Chemistry 72 (2007) 10181–10193; doi:10.1021/jo7019866

data_4023137
_publ_section_title
;
 A Rational Protocol for the Synthesis of Arylated Bipyridine
 Ligands via a Cycloaddition Pathway
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              10181
_journal_page_last               10193
_journal_paper_doi               10.1021/jo7019866
_journal_volume                  72
_journal_year                    2007
_chemical_formula_moiety         'C23 H18 N2'
_chemical_formula_sum            'C23 H18 N2'
_chemical_formula_weight         322.39
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.398(5)
_cell_angle_beta                 99.597(5)
_cell_angle_gamma                101.921(5)
_cell_formula_units_Z            4
_cell_length_a                   9.704(5)
_cell_length_b                   10.628(5)
_cell_length_c                   18.515(5)
_cell_measurement_reflns_used    6399
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.350
_cell_measurement_theta_min      0.998
_cell_volume                     1761.1(13)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) COLLECT (Hooft, 1998)'
_computing_data_collection
'DENZO (Otwinowski & Minor, 1997) COLLECT (Hooft, 1998)'
_computing_data_reduction        'HKL package (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 1980-2004)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full .987
_diffrn_measured_fraction_theta_max .987
_diffrn_measurement_device_type  'Nonius kappa-CCD diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0277
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            45844
_diffrn_reflns_theta_full        25.39
_diffrn_reflns_theta_max         25.39
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.88
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Scalepack,(Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.216
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.48
_exptl_crystal_size_min          0.15
_refine_diff_density_max         .180
_refine_diff_density_min         -.170
_refine_diff_density_rms         .035
_refine_ls_extinction_coef       0.027(3)
_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   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     454
_refine_ls_number_reflns         6401
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0788
_refine_ls_R_factor_gt           0.0484
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0763P)^2^+0.2009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1242
_refine_ls_wR_factor_ref         0.1433
_reflns_number_gt                4355
_reflns_number_total             6401
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo7019866-File001.cif
_cod_data_source_block           compound_2a(SD77B)_CCDC660942
_cod_database_code               4023137