PtII-mediated 1,3-dipolar cycloaddition of oxazoline N-oxides to nitriles as a key step to dihydrooxazolo-1,2,4-oxadiazoles.
Makarycheva-Mikhailova, Anastassiya V; Golenetskaya, Julia A.; Bokach, Nadezhda A.; Balova, Irina A.; Haukka, Matti; Kukushkin, Vadim Yu; Inorganic chemistry 46 (2007) 8323–8331; doi:10.1021/ic701133b

data_4339438
_publ_section_title
;
 PtII-mediated 1,3-dipolar cycloaddition of oxazoline N-oxides to nitriles
 as a key step to dihydrooxazolo-1,2,4-oxadiazoles.
;
_journal_issue                   20
_journal_name_full               'Inorganic chemistry'
_journal_page_first              8323
_journal_page_last               8331
_journal_paper_doi               10.1021/ic701133b
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C28 H36 Cl2 N4 O4 Pt'
_chemical_formula_sum            'C28 H36 Cl2 N4 O4 Pt'
_chemical_formula_weight         758.60
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.088(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.4537(7)
_cell_length_b                   10.5337(5)
_cell_length_c                   15.6088(11)
_cell_measurement_reflns_used    3589
_cell_measurement_temperature    105(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     1500.78(17)
_computing_cell_refinement       'EvalCCD (Duisenberg, 1998-2003)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'EvalCCD (Duisenberg, 1998-2003)'
_computing_molecular_graphics    'Diamond v.3.1d (Brandenburg, 2006)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      105(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offset'
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0343
_diffrn_reflns_av_sigmaI/netI    0.0429
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            8440
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.36
_exptl_absorpt_coefficient_mu    4.892
_exptl_absorpt_correction_T_max  0.7920
_exptl_absorpt_correction_T_min  0.4442
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v.2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.679
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.795
_refine_diff_density_min         -0.475
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2948
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0471
_refine_ls_R_factor_gt           0.0217
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0081P)^2^+1.0609P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0381
_refine_ls_wR_factor_ref         0.0433
_reflns_number_gt                2109
_reflns_number_total             2948
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701133b-file001.cif
_cod_data_source_block           compound_5
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4339438