Formation of α-chalcogenyl acrylamides through unprecedented chalcogen-mediated metal-free oxyfunctionalization of ynamides with DMSO as an oxidant.
Huang, Hai; Tang, Luning; Liu, Qi; Xi, Yang; He, Guangke; Zhu, Hongjun; Chemical communications (Cambridge, England) 52 (2016) 5605–5608; doi:10.1039/c5cc10517j

data_7118927
_publ_section_title
;
 Formation of \a-chalcogenyl acrylamides through unprecedented
 chalcogen-mediated metal-free oxyfunctionalization of ynamides with DMSO
 as an oxidant.
;
_journal_issue                   32
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              5605
_journal_page_last               5608
_journal_paper_doi               10.1039/c5cc10517j
_journal_volume                  52
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_sum            'C23 H25 N O3 S'
_chemical_formula_weight         395.50
_space_group_IT_number           4
_symmetry_cell_setting           Monoclinic'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-10-20 deposited with the CCDC.
2016-03-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 111.469(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.5980(8)
_cell_length_b                   5.7831(3)
_cell_length_c                   14.8716(8)
_cell_measurement_reflns_used    4514
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.70
_cell_measurement_theta_min      2.55
_cell_volume                     1088.34(10)
_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    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0264
_diffrn_reflns_av_sigmaI/netI    0.0375
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7583
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.55
_exptl_absorpt_coefficient_mu    0.171
_exptl_absorpt_correction_T_max  0.9634
_exptl_absorpt_correction_T_min  0.9553
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.207
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             420
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.367
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3727
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0489
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0833P)^2^+0.0369P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1192
_refine_ls_wR_factor_ref         0.1234
_reflns_number_gt                3350
_reflns_number_total             3727
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc10517j2.cif
_cod_data_source_block           20150925ngd2_0m
_cod_depositor_comments
'Adding full bibliography for 7118926--7118928.cif.'
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7118927