Insights into the mechanism of the site-selective sequential palladium-catalyzed cross-coupling reactions of dibromothiophenes/dibromothiazoles and arylboronic acids. Synthesis of PPARbeta/delta agonists.
Pereira, Raquel; Furst, Audrey; Iglesias, Beatriz; Germain, Pierre; Gronemeyer, Hinrich; de Lera, Angel R.; Organic & biomolecular chemistry 4 (2006) 4514–4525; doi:10.1039/b612235c

data_7151328
_publ_section_title
;
 Insights into the mechanism of the site-selective sequential
 palladium-catalyzed cross-coupling reactions of
 dibromothiophenes/dibromothiazoles and arylboronic acids. Synthesis of
 PPARbeta/delta agonists.
;
_journal_issue                   24
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4514
_journal_page_last               4525
_journal_paper_doi               10.1039/b612235c
_journal_volume                  4
_journal_year                    2006
_chemical_formula_sum            'C40 H32 Br2 P2 Pd S'
_chemical_formula_weight         872.88
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 113.7810(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.7511(18)
_cell_length_b                   13.0925(9)
_cell_length_c                   11.5739(8)
_cell_measurement_temperature    293(2)
_cell_volume                     3570.8(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.942
_diffrn_measured_fraction_theta_max 0.942
_diffrn_measurement_device_type  'CCD area detector'
_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     0.71073
_diffrn_reflns_av_R_equivalents  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0597
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10568
_diffrn_reflns_theta_full        28.06
_diffrn_reflns_theta_max         28.06
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    2.934
_exptl_absorpt_correction_T_max  0.495
_exptl_absorpt_correction_T_min  0.341
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.624
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1736
_exptl_crystal_size_max          .31
_exptl_crystal_size_mid          .26
_exptl_crystal_size_min          .24
_refine_diff_density_max         1.191
_refine_diff_density_min         -1.234
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.157
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         4089
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.157
_refine_ls_R_factor_all          0.1024
_refine_ls_R_factor_gt           0.0709
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0546P)^2^+55.2417P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2024
_refine_ls_wR_factor_ref         0.2102
_reflns_number_gt                2692
_reflns_number_total             4089
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b612235c.txt
_cod_data_source_block           rp17
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7151328