Metal free sulfenylation and bis-sulfenylation of indoles: persulfate mediated synthesis.
Prasad, Ch Durga; Kumar, Shailesh; Sattar, Moh; Adhikary, Amit; Kumar, Sangit; Organic & biomolecular chemistry 11 (2013) 8036–8040; doi:10.1039/c3ob41601a

data_7153165
_publ_section_title
;
 Metal free sulfenylation and bis-sulfenylation of indoles: persulfate
 mediated synthesis.
;
_journal_issue                   46
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8036
_journal_page_last               8040
_journal_paper_doi               10.1039/c3ob41601a
_journal_volume                  11
_journal_year                    2013
_chemical_formula_sum            'C23 H19 N2 O2 S2'
_chemical_formula_weight         419.52
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_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                 97.345(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5669(4)
_cell_length_b                   10.6356(5)
_cell_length_c                   24.4275(12)
_cell_measurement_temperature    296(2)
_cell_volume                     1949.76(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_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  0.0287
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            20029
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.55
_exptl_absorpt_coefficient_mu    0.296
_exptl_crystal_density_diffrn    1.429
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             876
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         3878
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0585
_refine_ls_R_factor_gt           0.0419
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1347
_refine_ls_wR_factor_ref         0.1476
_reflns_number_gt                3012
_reflns_number_total             3878
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ob41601a.txt
_cod_data_source_block           dp_2
_cod_database_code               7153165