A Multimetallic Piano-Stool Ir-Sn3 Catalyst for Nucleophilic Substitution Reaction of γ-Hydroxy Lactams through N-Acyliminium Ions
Arnab Kumar Maity; Sujit Roy; Journal of Organic Chemistry 77 (2012) 2935–2941; doi:10.1021/jo202359e

data_4027062
_publ_section_title
;
 A Multimetallic Piano-Stool Ir-Sn3 Catalyst for Nucleophilic Substitution
 Reaction of \g-Hydroxy Lactams through N-Acyliminium Ions
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2935
_journal_page_last               2941
_journal_paper_doi               10.1021/jo202359e
_journal_volume                  77
_journal_year                    2012
_chemical_absolute_configuration rmad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C15 H13 N O S'
_chemical_formula_sum            'C15 H13 N O S'
_chemical_formula_weight         255.33
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P -2n -2ac'
_symmetry_space_group_name_H-M   'P c 21 n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2011-04-08T13:19:57-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 90.000(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   5.985(5)
_cell_length_b                   7.913(5)
_cell_length_c                   27.626(5)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    293
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_measurement_wavelength     0.71073
_cell_volume                     1308.3(14)
_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      293
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0363
_diffrn_reflns_av_unetI/netI     0.0407
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            7014
_diffrn_reflns_theta_full        27.34
_diffrn_reflns_theta_max         27.34
_diffrn_reflns_theta_min         1.47
_exptl_absorpt_coefficient_mu    0.234
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_description       prism
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.68
_refine_diff_density_min         -0.608
_refine_diff_density_rms         0.077
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.06
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     167
_refine_ls_number_reflns         2965
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.1037
_refine_ls_R_factor_gt           0.0783
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1800P)^2^+0.1305P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2321
_refine_ls_wR_factor_ref         0.2699
_reflns_number_gt                1869
_reflns_number_total             2965
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo202359e_si_005.cif
_cod_data_source_block           struct
_cod_database_code               4027062