Copper-Catalyzed Three Component Regio- and Stereospecific Selenosulfonation of Alkynes: Synthesis of (E)-β-Selenovinyl Sulfones.
Liu, Yang; Zheng, Guangfan; Zhang, Qian; Li, Yan; Zhang, Qian; The Journal of organic chemistry 82 (2017) 2269–2275; doi:10.1021/acs.joc.6b03049

data_4032171
_publ_section_title
;
 Copper-Catalyzed Three Component Regio- and Stereospecific
 Selenosulfonation of Alkynes: Synthesis of (E)-\b-Selenovinyl Sulfones.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2269
_journal_page_last               2275
_journal_paper_doi               10.1021/acs.joc.6b03049
_journal_volume                  82
_journal_year                    2017
_chemical_formula_sum            'C21 H18 O2 S Se'
_chemical_formula_weight         413.37
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        '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                 95.10
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.109
_cell_length_b                   18.078
_cell_length_c                   14.867
_cell_measurement_reflns_used    2059
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.05
_cell_measurement_theta_min      1.68
_cell_volume                     1903.091
_computing_cell_refinement       'SMART (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL-PLUS (Sheldrick, 1990)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97(Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  '\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  0.0274
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6985
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    2.093
_exptl_absorpt_correction_T_max  0.9517
_exptl_absorpt_correction_T_min  0.8950
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS(Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.443
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.288
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.792
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3345
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.792
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0323
_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          0.0976
_refine_ls_wR_factor_ref         0.1140
_reflns_number_gt                2711
_reflns_number_total             3345
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jo6b03049_si_002.cif
_cod_data_source_block           1
_cod_depositor_comments
;
 Updating space group information.

 Antanas Vaitkus,
 2018-08-09

 Adding full bibliography for 4032171--4032172.cif.
;
_cod_original_cell_volume        1903.1
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4032171