Syntheses of Polycyclic Tetrahydrofurans by Cascade Reactions Consisting of Five-Membered Ring Selective Prins Cyclization and Friedel-Crafts Cyclization.
Sakata, Yuki; Yasui, Eiko; Takatori, Kazuhiko; Suzuki, Yuji; Mizukami, Megumi; Nagumo, Shinji; The Journal of organic chemistry 83 (2018) 9103–9118; doi:10.1021/acs.joc.8b01195

data_4035380
_publ_section_title
;
 Syntheses of Polycyclic Tetrahydrofurans by Cascade Reactions Consisting
 of Five-Membered Ring Selective Prins Cyclization and Friedel-Crafts
 Cyclization.
;
_journal_issue                   16
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9103
_journal_page_last               9118
_journal_paper_doi               10.1021/acs.joc.8b01195
_journal_volume                  83
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C42 H34 N2 O5 S2'
_chemical_formula_sum            'C42 H34 N2 O5 S2'
_chemical_formula_weight         710.86
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_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
_cell_angle_alpha                90.0000
_cell_angle_beta                 105.3217(11)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   9.00787(16)
_cell_length_b                   17.6893(4)
_cell_length_c                   10.8349(2)
_cell_measurement_reflns_used    24027
_cell_measurement_temperature    93
_cell_measurement_theta_max      68.22
_cell_measurement_theta_min      4.23
_cell_volume                     1665.10(6)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0681
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            29549
_diffrn_reflns_theta_full        68.24
_diffrn_reflns_theta_max         68.24
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.875
_exptl_absorpt_correction_T_max  0.714
_exptl_absorpt_correction_T_min  0.671
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             744.00
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.630
_refine_diff_density_min         -0.400
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  2821 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.02(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     463
_refine_ls_number_reflns         5971
_refine_ls_number_restraints     1
_refine_ls_R_factor_gt           0.0637
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0876P)^2^+1.8695P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1706
_reflns_number_gt                5195
_reflns_number_total             5971
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            jo8b01195_si_007.cif
_cod_data_source_block           EY20140214_1
_cod_database_code               4035380