Palladium-Catalyzed Regioselective Arylation of Pyrazolo[1,5-a]pyridines via C–H Activation and Synthetic Applications on P38 Kinase Inhibitors
Wu, Hung-Chou; Chu, Jean-Ho; Li, Chin-Wei; Hwang, Long-Chih; Wu, Ming-Jung; Organometallics 35 (2016) 288–; doi:10.1021/acs.organomet.5b00988

data_4088284
_publ_section_title
;
 Palladium-Catalyzed Regioselective Arylation of Pyrazolo[1,5-a]pyridines
 via C--H Activation and Synthetic Applications on P38 Kinase Inhibitors
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              288
_journal_paper_doi               10.1021/acs.organomet.5b00988
_journal_volume                  35
_journal_year                    2016
_chemical_formula_moiety         'C15 H12 N2 O2'
_chemical_formula_sum            'C15 H12 N2 O2'
_chemical_formula_weight         252.27
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_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                 95.734(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   3.8617(2)
_cell_length_b                   14.2043(9)
_cell_length_c                   11.0554(7)
_cell_measurement_reflns_used    4078
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.07
_cell_measurement_theta_min      2.87
_cell_volume                     603.38(6)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker APEX2'
_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  0.0456
_diffrn_reflns_av_sigmaI/netI    0.0708
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            4078
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         2.87
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.9972
_exptl_absorpt_correction_T_min  0.9544
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.140
_refine_diff_density_min         -0.180
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         1983
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0397P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0830
_refine_ls_wR_factor_ref         0.0923
_reflns_number_gt                1588
_reflns_number_total             1983
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b00988_si_003.cif
_cod_data_source_block           a13170
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4088284