Palladium-Catalyzed C-H Activation/Cross-Coupling of Pyridine N-Oxides with Nonactivated Secondary Alkyl Bromides
Bin Xiao; Zhao-Jing Liu; Lei Liu; Yao Fu; Journal of the American Chemical Society 135 (2013) 616–619; doi:10.1021/ja3113752

data_4119198
_publ_section_title
;
 Palladium-Catalyzed C-H Activation/Cross-Coupling of Pyridine N-Oxides
 with Nonactivated Secondary Alkyl Bromides
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              616
_journal_page_last               619
_journal_paper_doi               10.1021/ja3113752
_journal_volume                  135
_journal_year                    2013
_chemical_absolute_configuration ad
_chemical_formula_sum            'C18 H19 N O'
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_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 97.5400(10)
_cell_angle_gamma                90.00
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_cell_length_a                   11.32320(10)
_cell_length_b                   6.41610(10)
_cell_length_c                   19.3960(2)
_cell_measurement_reflns_used    13259
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      69.4155
_cell_measurement_theta_min      3.9348
_cell_volume                     1396.95(3)
_computing_cell_refinement       'CrysAlisPro (Oxford Diffraction Ltd.)'
_computing_data_collection       'CrysAlisPro (Oxford Diffraction Ltd.)'
_computing_data_reduction        'CrysAlisPro (Oxford Diffraction Ltd.)'
_computing_molecular_graphics    'Ortep-3 (L. J. Farrugia, 2001)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 15.9149
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Gemini S Ultra, Oxford Diffraction'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Enhance Ultra (Cu) x-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0188
_diffrn_reflns_av_sigmaI/netI    0.0092
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16491
_diffrn_reflns_theta_full        65.09
_diffrn_reflns_theta_max         65.09
_diffrn_reflns_theta_min         3.94
_exptl_absorpt_coefficient_mu    0.603
_exptl_absorpt_correction_T_max  0.8492
_exptl_absorpt_correction_T_min  0.8120
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.151
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2367
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0486
_refine_ls_R_factor_gt           0.0470
_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^)+(0.0609P)^2^+0.4772P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1245
_refine_ls_wR_factor_ref         0.1258
_reflns_number_gt                2252
_reflns_number_total             2367
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja3113752_si_001.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4119198