Copper-Catalyzed Radical 1,4-Difunctionalization of 1,3-Enynes with Alkyl Diacyl Peroxides and N-Fluorobenzenesulfonimide.
Zhu, Xiaotao; Deng, Weili; Chiou, Mong-Feng; Ye, Changqing; Jian, Wujun; Zeng, Yuehua; Jiao, Yihang; Ge, Liang; Li, Yajun; Zhang, Xinhao; Bao, Hongli; Journal of the American Chemical Society 141 (2019) 548–559; doi:10.1021/jacs.8b11499

data_4133587
_publ_section_title
;
 Copper-Catalyzed Radical 1,4-Difunctionalization of 1,3-Enynes with Alkyl
 Diacyl Peroxides and N-Fluorobenzenesulfonimide.
;
_journal_issue                   1
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              548
_journal_page_last               559
_journal_paper_doi               10.1021/jacs.8b11499
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C18 H16 N2 O4 S2'
_chemical_formula_sum            'C18 H16 N2 O4 S2'
_chemical_formula_weight         388.45
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2017/1
_cell_angle_alpha                90
_cell_angle_beta                 99.8970(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.1317(2)
_cell_length_b                   16.5366(4)
_cell_length_c                   13.5858(3)
_cell_measurement_reflns_used    7068
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.073
_cell_measurement_theta_min      2.4635
_cell_volume                     1799.70(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1360
_diffrn_reflns_av_unetI/netI     0.0657
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            22279
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.114
_diffrn_reflns_theta_min         2.463
_exptl_absorpt_coefficient_mu    0.322
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.434
_exptl_crystal_description       prism
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.020
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.703
_refine_diff_density_min         -0.527
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         3976
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0687
_refine_ls_R_factor_gt           0.0569
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0378P)^2^+2.4738P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1199
_refine_ls_wR_factor_ref         0.1276
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3362
_reflns_number_total             3976
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b11499_si_003.cif
_cod_data_source_block           2a
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4133587
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.830
_shelx_estimated_absorpt_t_max   0.994
_shelx_res_checksum              79853
_shelx_hkl_checksum              12461