Copper(II)-Catalyzed Disulfide Scission-Stepwise Aerobic Oxidative Cleavage to Sulfinate and Sulfonate and Reductive Anaerobic Cleavage to Thiols.
Lumb, Isha; Hundal, Maninder Singh; Hundal, Geeta; Inorganic chemistry 53 (2014) 7770–7779; doi:10.1021/ic501141m

data_4340297
_publ_section_title
;
 Copper(II)-Catalyzed Disulfide Scission-Stepwise Aerobic Oxidative
 Cleavage to Sulfinate and Sulfonate and Reductive Anaerobic Cleavage to
 Thiols.
;
_journal_issue                   14
_journal_name_full               'Inorganic chemistry'
_journal_page_first              7770
_journal_page_last               7779
_journal_paper_doi               10.1021/ic501141m
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         'C24 H18 N4 O2 S2'
_chemical_formula_sum            'C24 H18 N4 O2 S2'
_chemical_formula_weight         458.54
_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                94.757(2)
_cell_angle_beta                 105.971(3)
_cell_angle_gamma                101.192(4)
_cell_formula_units_Z            2
_cell_length_a                   7.515(3)
_cell_length_b                   11.663(2)
_cell_length_c                   13.2630(10)
_cell_measurement_reflns_used    85
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      2
_cell_volume                     1084.8(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    'SIR-92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            19455
_diffrn_reflns_theta_full        28.35
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.276
_exptl_absorpt_correction_T_max  0.745
_exptl_absorpt_correction_T_min  0.688
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 - Bruker AXS area detector scaling and absorption correction  
;
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             476
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.195
_refine_diff_density_min         -0.269
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         5394
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0408
_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^)+(0.0526P)^2^+0.1681P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1147
_reflns_number_gt                3669
_reflns_number_total             5394
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic501141m_si_003.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 4340297--4340301.cif.'
_cod_database_code               4340297