Diastereoselective synthesis of vicinal cis-dihydroxyheterospirocycles by one-pot epoxidation/spirocyclization of C(3)-functionalized cyclohex-2-en-1-ols.
Yeh, Ming-Chang P; Liang, Chia-Jung; Liu, Cheng-Yuan; Shih, Ya-Fon; Lee, I-Chen; Liu, Hsiang-Fang; Wang, Jeng-Long; Organic & biomolecular chemistry 11 (2013) 3393–3399; doi:10.1039/c3ob27352k

data_7152871
_publ_section_title
;
 Diastereoselective synthesis of vicinal cis-dihydroxyheterospirocycles by
 one-pot epoxidation/spirocyclization of C(3)-functionalized
 cyclohex-2-en-1-ols.
;
_journal_issue                   20
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3393
_journal_page_last               3399
_journal_paper_doi               10.1039/c3ob27352k
_journal_volume                  11
_journal_year                    2013
_chemical_formula_moiety         'C18 H27 N1 O4 S1'
_chemical_formula_sum            'C18 H27 N O4 S'
_chemical_formula_weight         353.47
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                66.168(2)
_cell_angle_beta                 82.0060(10)
_cell_angle_gamma                90.097(2)
_cell_formula_units_Z            4
_cell_length_a                   9.9411(4)
_cell_length_b                   14.1752(5)
_cell_length_c                   14.3185(6)
_cell_measurement_reflns_used    29422
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      2.037
_cell_volume                     1824.01(13)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'HKL Denzo and Scalepack'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0765
_diffrn_reflns_av_sigmaI/netI    0.1000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            19452
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    0.199
_exptl_absorpt_correction_T_max  1.025
_exptl_absorpt_correction_T_min  0.8962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
?
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.287
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.359
_refine_diff_density_min         -0.496
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    fixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         6422
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1596
_refine_ls_R_factor_gt           0.0982
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1692P)^2^+1.5991P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2531
_refine_ls_wR_factor_ref         0.2953
_reflns_number_gt                3724
_reflns_number_total             6422
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ob27352k.txt
_cod_data_source_block           10258b
_cod_original_cell_volume        1824.01(12)
_cod_database_code               7152871