Palladium nanoparticles in glycerol: a clear-cut catalyst for one-pot multi-step processes applied in the synthesis of heterocyclic compounds
Chahdoura, Faouzi; Mallet-Ladeira, Sonia; Gómez, Montserrat; Organic Chemistry Frontiers 2 (2015) 312–; doi:10.1039/C4QO00338A

data_1553069
_publ_section_title
;
 Palladium nanoparticles in glycerol: a clear-cut catalyst for one-pot
 multi-step processes applied in the synthesis of heterocyclic compounds
;
_journal_issue                   4
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              312
_journal_paper_doi               10.1039/C4QO00338A
_journal_volume                  2
_journal_year                    2015
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C22 H20 N2 O4'
_chemical_formula_sum            'C22 H20 N2 O4'
_chemical_formula_weight         376.4
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2014-08-22 deposited with the CCDC.
2015-01-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.757(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.0179(8)
_cell_length_b                   4.6365(4)
_cell_length_c                   29.074(3)
_cell_measurement_reflns_used    2882
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      24.07
_cell_measurement_theta_min      2.37
_cell_measurement_wavelength     0.71073
_cell_volume                     944.93(17)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker Kappa APEX II Quazar'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0402
_diffrn_reflns_av_unetI/netI     0.043
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            7457
_diffrn_reflns_theta_full        26.6
_diffrn_reflns_theta_max         26.6
_diffrn_reflns_theta_min         4.45
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9963
_exptl_absorpt_correction_T_min  0.9836
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker-AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.159
_refine_diff_density_min         -0.17
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         1947
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0705
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0412P)^2^+0.1847P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0972
_refine_ls_wR_factor_ref         0.1093
_reflns_number_gt                1364
_reflns_number_total             1947
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4qo00338a2.cif
_cod_data_source_block           Faouzi10
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1553069