Studies on the diastereoselective oxidation of 1-thio-β-d-glucopyranosides: synthesis of the usually less favoured RS sulfoxide as a single diastereoisomer.
Moya-López, Juan Francisco; Elhalem, Eleonora; Recio, Rocío; Álvarez, Eleuterio; Fernández, Inmaculada; Khiar, Noureddine; Organic & biomolecular chemistry 13 (2015) 1904–1914; doi:10.1039/c4ob02030h

data_7154260
_publ_section_title
;
 Studies on the diastereoselective oxidation of
 1-thio-\b-d-glucopyranosides: synthesis of the usually less favoured RS
 sulfoxide as a single diastereoisomer.
;
_journal_issue                   6
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1904
_journal_page_last               1914
_journal_paper_doi               10.1039/c4ob02030h
_journal_volume                  13
_journal_year                    2015
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C17 H24 O10 S3'
_chemical_formula_sum            'C17 H24 O10 S3'
_chemical_formula_weight         484.54
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_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
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-09-23 deposited with the CCDC.
2014-11-25 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 99.08
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.2270(6)
_cell_length_b                   25.122(3)
_cell_length_c                   16.5667(18)
_cell_measurement_reflns_used    9261
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.43
_cell_measurement_theta_min      2.73
_cell_volume                     2148.2(4)
_computing_cell_refinement       'APEX2 Software Suite (Bruker, 2007)'
_computing_data_collection       'APEX2 Software Suite (Bruker, 2007)'
_computing_data_reduction        'APEX2 Software Suite (Bruker, 2007)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL and publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2002 (Burla et al., 2003)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type
;
  Bruker-Nonius X8kappa APEX II CCD area detector
;
_diffrn_measurement_method       'phi and omega scans with narrow frames'
_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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0553
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            17443
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         1.62
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.397
_exptl_absorpt_correction_T_max  0.9614
_exptl_absorpt_correction_T_min  0.8262
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
program SADABS, Bruker (2001).
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.498
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.856
_refine_diff_density_min         -1.198
_refine_diff_density_rms         0.243
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     547
_refine_ls_number_reflns         5111
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0896
_refine_ls_R_factor_gt           0.0674
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1116
_refine_ls_wR_factor_ref         0.1632
_reflns_number_gt                4896
_reflns_number_total             5111
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ob02030h2.cif
_cod_data_source_block           19RS
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 7154258--7154260.cif.
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7154260