Metal-free cascade rearrangement/radical addition/oxidative C–H annulation of propargyl alcohols with sodium sulfinates: access to 2-sulfenylindenones
Liu, Changqing; Wang, Bo; Guo, Ziyi; Zhang, Jitan; Xie, Meihua; Organic Chemistry Frontiers 6 (2019) 2796–; doi:10.1039/C9QO00688E

data_1555009
_publ_section_title
;
 Metal-free cascade rearrangement/radical addition/oxidative C--H
 annulation of propargyl alcohols with sodium sulfinates: access to
 2-sulfenylindenones
;
_journal_issue                   15
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              2796
_journal_paper_doi               10.1039/C9QO00688E
_journal_volume                  6
_journal_year                    2019
_chemical_formula_sum            'C24 H20 O S'
_chemical_formula_weight         356.46
_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
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-01-07 deposited with the CCDC.	2019-06-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.393(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.8263(7)
_cell_length_b                   7.7607(3)
_cell_length_c                   15.9189(8)
_cell_measurement_reflns_used    9964
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.94
_cell_volume                     1875.73(15)
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.996
_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  0.0935
_diffrn_reflns_av_unetI/netI     0.0388
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            66223
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.549
_diffrn_reflns_theta_min         2.944
_exptl_absorpt_coefficient_mu    0.182
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.230
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         4303
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.1035
_refine_ls_R_factor_gt           0.0665
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1300P)^2^+0.3760P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1751
_refine_ls_wR_factor_ref         0.2046
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3031
_reflns_number_total             4303
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9qo00688e2.cif
_cod_data_source_block           test
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1555009
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.965
_shelx_estimated_absorpt_t_max   0.968
_shelx_res_checksum              55766
_shelx_hkl_checksum              50278