Total Asymmetric Syntheses of β-Hydroxy-δ-lactones via Umpolung with Sulfur Dioxide
Claudia J. Exner; Sylvain Laclef; Florent Poli; Maris Turks; Pierre Vogel; Journal of Organic Chemistry 76 (2011) 840–845; doi:10.1021/jo102035d

data_4026008
_publ_section_title
;
 Total Asymmetric Syntheses of \b-Hydroxy-\d-lactones via Umpolung with
 Sulfur Dioxide
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              840
_journal_page_last               845
_journal_paper_doi               10.1021/jo102035d
_journal_volume                  76
_journal_year                    2011
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C9 H16 O3'
_chemical_formula_sum            'C9 H16 O3'
_chemical_formula_weight         172.22
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 101.32(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.730(2)
_cell_length_b                   11.618(4)
_cell_length_c                   8.805(4)
_cell_measurement_reflns_used    1230
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      26.0466
_cell_measurement_theta_min      2.9480
_cell_volume                     474.4(3)
_computing_cell_refinement
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET) 
(compiled May  6 2009,17:20:42) 
;
_computing_data_collection
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET) 
(compiled May  6 2009,17:20:42) 
;
_computing_data_reduction
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET) 
(compiled May  6 2009,17:20:42) 
;
_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      140(2)
_diffrn_detector_area_resol_mean 8.2812
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Oxford Diffraction, KM4/Sapphire CCD'
_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  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0752
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2792
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.33297
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET) 
(compiled May  6 2009,17:20:42) 
empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.206
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             188
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1399
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0796
_refine_ls_R_factor_gt           0.0582
_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^)+(0.0644P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1188
_refine_ls_wR_factor_ref         0.1253
_reflns_number_gt                1076
_reflns_number_total             1399
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo102035d_si_001.cif
_cod_data_source_block           ce732
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4026008