Regioselective Orthopalladation of (Z)-2-Aryl-4-Arylidene-5(4H)-Oxazolones: Scope, Kinetico-Mechanistic, and Density Functional Theory Studies of the C-H Bond Activation
Gheorghe-Doru Roiban; Elena Serrano; Tatiana Soler; Gabriel Aullón; Ion Grosu; Carlos Cativiela; Manuel Martínez; Esteban P. Urriolabeitia; Inorganic Chemistry 50 (2011) 8132–8143; doi:10.1021/ic200564d

data_4326019
_publ_contact_author_address
;
ICMA, CSIC-Universidad de Zaragoza, 
Plaza S. Francisco, 50009 Zaragoza (Spain)
;
_publ_contact_author_email       esteban@unizar.es
_publ_contact_author_fax         (+34)976761187
_publ_contact_author_name        'Esteban P. Urriolabeitia'
_publ_contact_author_phone       (+34)976762302
_publ_section_title
;
 Regioselective Orthopalladation of
 (Z)-2-Aryl-4-Arylidene-5(4H)-Oxazolones: Scope, Kinetico-Mechanistic, and
 Density Functional Theory Studies of the C-H Bond Activation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8132
_journal_page_last               8143
_journal_paper_doi               10.1021/ic200564d
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C18 H15 N O4'
_chemical_formula_sum            'C18 H15 N O4'
_chemical_formula_weight         309.31
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 110.067(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.8186(6)
_cell_length_b                   19.5015(11)
_cell_length_c                   9.1330(5)
_cell_measurement_reflns_used    6487
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      4.09
_cell_volume                     1475.30(17)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.19 (release 28-02-2008 CrysAlis171 .NET)
(compiled Feb 28 2008,12:10:31)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.19 (release 28-02-2008 CrysAlis171 .NET)
(compiled Feb 28 2008,12:10:31)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.19 (release 28-02-2008 CrysAlis171 .NET)
(compiled Feb 28 2008,12:10:31)
;
_computing_molecular_graphics
;
SHELXTL  Rel. 6.12/V (Sheldrick, Acta Cryst. 2008, A64, 112-122)
;
_computing_publication_material
;
SHELX-97 (Sheldrick, Acta Cryst. 2008, A64, 112-122)' 
;
_computing_structure_refinement
;
SHELXL-97 (Sheldrick, Acta Cryst. 2008, A64, 112-122) 
;
_computing_structure_solution
;
SHELXL-97 (Sheldrick, Acta Cryst. 2008, A64, 112-122) 
;
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 16.3990
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur2'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0174
_diffrn_reflns_av_sigmaI/netI    0.0106
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            15844
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         3.93
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.9766
_exptl_absorpt_correction_T_min  0.9530
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.19 (release 28-02-2008 CrysAlis171 .NET)
(compiled Feb 28 2008,12:10:31)
empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.393
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.153
_refine_diff_density_min         -0.155
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         2584
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0431P)^2^+0.3927P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0840
_refine_ls_wR_factor_ref         0.0865
_reflns_number_gt                2293
_reflns_number_total             2584
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic200564d_si_003_2.cif
_cod_data_source_block           '__1i'
_cod_original_cell_volume        1475.30(15)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4326019