Palladium-Catalyzed Cyanothiolation of Internal Alkynes Using Organic Disulfides and tert-Butyl Isocyanide.
Higashimae, Shinya; Kurata, Daichi; Kawaguchi, Shin-Ichi; Kodama, Shintaro; Sonoda, Motohiro; Nomoto, Akihiro; Ogawa, Akiya; The Journal of organic chemistry 83 (2018) 5267–5273; doi:10.1021/acs.joc.8b00052

data_4035526
_publ_section_title
;
 Palladium-Catalyzed Cyanothiolation of Internal Alkynes Using Organic
 Disulfides and tert-Butyl Isocyanide.
;
_journal_issue                   9
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              5267
_journal_page_last               5273
_journal_paper_doi               10.1021/acs.joc.8b00052
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C13 H11 N O4 S'
_chemical_formula_sum            'C13 H11 N O4 S'
_chemical_formula_weight         277.29
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 123.364(9)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            8
_cell_length_a                   23.4985(5)
_cell_length_b                   7.79477(15)
_cell_length_c                   16.7618(3)
_cell_measurement_reflns_used    17640
_cell_measurement_temperature    123
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.08
_cell_volume                     2564.2(3)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.2.5'
_computing_publication_material  'CrystalStructure 4.2.5 (Rigaku, 2017)'
_computing_structure_refinement  'SHELXL Version 2017/1 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT Version 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0278
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            20569
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.481
_diffrn_reflns_theta_min         2.812
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.261
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.747
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.436
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1152.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.42
_refine_diff_density_min         -0.31
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2926
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0377
_refine_ls_R_factor_gt           0.0341
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0435P)^2^+2.9390P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0891
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2684
_reflns_number_total             2926
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
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_cod_data_source_block           Higashimae-700
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