Acid-catalyzed regioselective sulfetherification of alkenols and stereoselective rearrangement of tetrahydrofuran to tetrahydropyran.
Wang, Haining; Huang, Deshun; Cheng, Donghao; Li, Lijun; Shi, Yian; Organic letters 13 (2011) 1650–1653; doi:10.1021/ol200127n

data_1502043
_publ_section_title
;
 Acid-catalyzed regioselective sulfetherification of alkenols and
 stereoselective rearrangement of tetrahydrofuran to tetrahydropyran.
;
_journal_issue                   7
_journal_name_full               'Organic letters'
_journal_page_first              1650
_journal_page_last               1653
_journal_paper_doi               10.1021/ol200127n
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C14 H20 O2 S'
_chemical_formula_sum            'C14 H20 O2 S'
_chemical_formula_weight         252.36
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 104.09(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.116(2)
_cell_length_b                   6.5574(13)
_cell_length_c                   17.062(3)
_cell_measurement_reflns_used    4053
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4818
_cell_measurement_theta_min      1.7330
_cell_volume                     1314.8(4)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics
;
 Mercury: visualization and analysis of crystal structures, C. F. Macrae,
 P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
 M. Towler and J. van de Streek, J. Appl. Cryst., 39, 453-457, 2006.
;
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_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  0.0463
_diffrn_reflns_av_sigmaI/netI    0.0398
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11110
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    0.234
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6815
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.57
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.354
_refine_diff_density_min         -0.388
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.230
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2983
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.230
_refine_ls_R_factor_all          0.0683
_refine_ls_R_factor_gt           0.0614
_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^)+(0.0855P)^2^+0.7156P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1709
_refine_ls_wR_factor_ref         0.1840
_reflns_number_gt                2769
_reflns_number_total             2983
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol200127n_si_004.cif
_cod_data_source_block           a
_cod_original_cell_volume        1314.7(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1502043