Metal-Assisted Oxazolidine/Oxazine Ring Formation in Dinuclear Zinc(II) Complexes: Synthesis, Structural Aspects, and Bioactivity
Arpita Banerjee; Subhalakshmi Ganguly; Tanmay Chattopadhyay; Kazi Sabnam Banu; Amarendra Patra; Santanu Bhattacharya; Ennio Zangrando; Debasis Das; Inorganic Chemistry 48 (2009) 8695–8702; doi:10.1021/ic900643h

data_4303138
_publ_section_title
;
Metal-Assisted Oxazolidine/Oxazine Ring Formation in Dinuclear Zinc(II)
Complexes: Synthesis, Structural Aspects, and Bioactivity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8695
_journal_page_last               8702
_journal_paper_doi               10.1021/ic900643h
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C30 H34 N6 O4 S2 Zn2'
_chemical_formula_weight         737.49
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_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
_cell_angle_alpha                92.84(2)
_cell_angle_beta                 108.03(3)
_cell_angle_gamma                98.06(2)
_cell_formula_units_Z            1
_cell_length_a                   7.948(3)
_cell_length_b                   10.216(4)
_cell_length_c                   10.564(4)
_cell_measurement_temperature    293(2)
_cell_volume                     803.6(6)
_computing_cell_refinement       'Denzo (Otwinowski & Minor 1997)'
_computing_data_collection       'Nonius Xpress'
_computing_data_reduction        'Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep3/windows (Farrugia,1997)'
_computing_publication_material  'Wingx 1.70.01 (Farrugia, 1999)'
_computing_structure_refinement  'SHELX97 (Sheldrick, 1998)'
_computing_structure_solution    'SHELX97 (Sheldrick, 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.934
_diffrn_measured_fraction_theta_max 0.934
_diffrn_measurement_device_type  'image plate dip1030'
_diffrn_measurement_method       'laser scanner'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0494
_diffrn_reflns_av_sigmaI/netI    0.1399
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            11038
_diffrn_reflns_theta_full        25.64
_diffrn_reflns_theta_max         25.64
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    1.667
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.524
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             380
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.305
_refine_diff_density_min         -0.284
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.747
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         2845
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.747
_refine_ls_R_factor_all          0.1033
_refine_ls_R_factor_gt           0.0441
_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^)+(0.0359P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0916
_refine_ls_wR_factor_ref         0.1042
_reflns_number_gt                1289
_reflns_number_total             2845
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900643h_si_003_3.cif
_cod_data_source_block           3
_cod_original_cell_volume        803.6(5)
_cod_database_code               4303138