Synthesis of Tetrasubstituted Unsymmetrical 1,4-Enediones via Copper-Promoted Autotandem Catalysis and Air As the Oxidant
Yan Yang; Fan Ni; Wen-Ming Shu; Shang-Bo Yu; Meng Gao; An-Xin Wu; Journal of Organic Chemistry 78 (2013) 5418–5426; doi:10.1021/jo400564f

data_4028293
_publ_section_title
;
 Synthesis of Tetrasubstituted Unsymmetrical 1,4-Enediones via
 Copper-Promoted Autotandem Catalysis and Air As the Oxidant
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5418
_journal_page_last               5426
_journal_paper_doi               10.1021/jo400564f
_journal_volume                  78
_journal_year                    2013
_chemical_formula_sum            'C24 H16 N2 O3 S'
_chemical_formula_weight         412.45
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   '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                 99.0750(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3447(8)
_cell_length_b                   11.4132(9)
_cell_length_c                   19.3604(16)
_cell_measurement_reflns_used    5829
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.85
_cell_measurement_theta_min      2.40
_cell_volume                     2257.2(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0382
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4414
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    0.169
_exptl_absorpt_correction_T_max  0.9833
_exptl_absorpt_correction_T_min  0.9800
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.214
_exptl_crystal_description       block
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4414
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0670
_refine_ls_R_factor_gt           0.0572
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0888P)^2^+0.6164P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1559
_refine_ls_wR_factor_ref         0.1635
_reflns_number_gt                3572
_reflns_number_total             4414
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo400564f_si_008.cif
_cod_data_source_block           121218fm
_cod_database_code               4028293