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_1553073
_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_formula_sum            'C20 H18 N4 O2'
_chemical_formula_weight         346.38
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-08-22 deposited with the CCDC.
2015-01-30 downloaded from the CCDC.
;
_cell_angle_alpha                79.737(6)
_cell_angle_beta                 88.280(7)
_cell_angle_gamma                82.746(7)
_cell_formula_units_Z            6
_cell_length_a                   5.6257(7)
_cell_length_b                   19.7469(19)
_cell_length_c                   23.768(2)
_cell_measurement_reflns_used    2684
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      20.06
_cell_measurement_theta_min      2.49
_cell_volume                     2577.3(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker kappa APEX-II CCD Quazar'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_source         micro-focus
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1375
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_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            44315
_diffrn_reflns_theta_full        24.71
_diffrn_reflns_theta_max         24.71
_diffrn_reflns_theta_min         5.15
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9973
_exptl_absorpt_correction_T_min  0.9651
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker-AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.339
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1092
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.219
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_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
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_refine_ls_number_reflns         8707
_refine_ls_number_restraints     200
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.1470
_refine_ls_R_factor_gt           0.0759
_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^)+(0.0000P)^2^+3.4849P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1565
_refine_ls_wR_factor_ref         0.1814
_reflns_number_gt                4909
_reflns_number_total             8707
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4qo00338a2.cif
_cod_data_source_block           faouzi18m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        2577.2(5)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1553073