Stereoisomerization of β-Hydroxy-α-sulfenyl-γ-butyrolactones Controlled by Two Concomitant 1,4-Type Nonbonded Sulfur-Oxygen Interactions As Analyzed by X-ray Crystallography
Florenci V. González; Amit Jain; Santiago Rodríguez; José A. Sáez; Cristian Vicent; Gabriel Peris; Journal of Organic Chemistry 75 (2010) 5888–5894; doi:10.1021/jo1009454

data_4025629
_publ_section_title
;
 Stereoisomerization of \b-Hydroxy-\a-sulfenyl-\g-butyrolactones
 Controlled by Two Concomitant 1,4-Type Nonbonded Sulfur-Oxygen
 Interactions As Analyzed by X-ray Crystallography
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5888
_journal_page_last               5894
_journal_paper_doi               10.1021/jo1009454
_journal_volume                  75
_journal_year                    2010
_chemical_absolute_configuration syn
_chemical_formula_sum            'C17 H16 O4 S'
_chemical_formula_weight         316.36
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 106.202(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.101(2)
_cell_length_b                   10.5638(13)
_cell_length_c                   8.9610(11)
_cell_measurement_reflns_used    3050
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.81
_cell_measurement_theta_min      2.29
_cell_volume                     1554.5(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      293(2)
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_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  0.0342
_diffrn_reflns_av_sigmaI/netI    0.0466
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6129
_diffrn_reflns_theta_full        30.54
_diffrn_reflns_theta_max         30.54
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    0.223
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fiber
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.524
_refine_diff_density_min         -0.359
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2983
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0575
_refine_ls_R_factor_gt           0.0479
_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^)+(0.0878P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1218
_refine_ls_wR_factor_ref         0.1289
_reflns_number_gt                2546
_reflns_number_total             2983
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo1009454_si_007.cif
_cod_data_source_block           compound7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025629
_ratio_of_minimum_to_maximum_apparent_transmision 0.929986