Acyl-isothiocyanates as efficient thiocyanate transfer reagents.
Palsuledesai, Charuta C.; Murru, Siva; Sahoo, Santosh K.; Patel, Bhisma K.; Organic letters 11 (2009) 3382–3385; doi:10.1021/ol901561j

data_1504117
_publ_section_title
;
 Acyl-isothiocyanates as efficient thiocyanate transfer reagents.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3382
_journal_page_last               3385
_journal_paper_doi               10.1021/ol901561j
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         'C20 H16 N2 O4 S2'
_chemical_formula_sum            'C20 H16 N2 O4 S2'
_chemical_formula_weight         412.481
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 124.921(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   32.3486(11)
_cell_length_b                   7.7362(3)
_cell_length_c                   18.9463(7)
_cell_measurement_temperature    296(2)
_cell_volume                     3887.7(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0236
_diffrn_reflns_limit_h_max       45
_diffrn_reflns_limit_h_min       -45
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            29950
_diffrn_reflns_theta_full        29.81
_diffrn_reflns_theta_max         29.81
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    0.303
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.409
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1714.72
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.428
_refine_diff_density_min         -0.361
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.955
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         5438
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.955
_refine_ls_R_factor_all          0.0626
_refine_ls_R_factor_gt           0.0391
_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^+1.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1229
_refine_ls_wR_factor_ref         0.1473
_reflns_number_gt                3863
_reflns_number_total             5438
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol901561j_si_003.cif
_cod_data_source_block           cp50
_cod_original_cell_volume        3887.7(2)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1504117