3,4-Dihydroxypyrrolidines via modified tandem aza-Payne/hydroamination pathway.
Kulshrestha, Aman; Salehi Marzijarani, Nastaran; Dilip Ashtekar, Kumar; Staples, Richard; Borhan, Babak; Organic letters 14 (2012) 3592–3595; doi:10.1021/ol301204w

data_1508279
_publ_section_title
;
 3,4-Dihydroxypyrrolidines via modified tandem aza-Payne/hydroamination
 pathway.
;
_journal_issue                   14
_journal_name_full               'Organic letters'
_journal_page_first              3592
_journal_page_last               3595
_journal_paper_doi               10.1021/ol301204w
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C20 H19 N O5 S'
_chemical_formula_sum            'C20 H19 N O5 S'
_chemical_formula_weight         385.42
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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                105.2440(10)
_cell_angle_beta                 98.4400(10)
_cell_angle_gamma                110.1520(10)
_cell_formula_units_Z            2
_cell_length_a                   7.6654(7)
_cell_length_b                   10.4255(10)
_cell_length_c                   13.2440(18)
_cell_measurement_reflns_used    5874
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.47
_cell_measurement_theta_min      2.21
_cell_volume                     925.15(18)
_computing_cell_refinement       'APEX2 (BRUKER, V2010.11-3, 2010)'
_computing_data_collection       'COSMO (BRUKER, V1.61, 2009)'
_computing_data_reduction        'SAINT (BRUKER, V7.68A, 2010)'
_computing_molecular_graphics
'SHELXTL (Sheldrick, Acta Cryst. A64 2008, 112-122)'
_computing_publication_material
'SHELXTL (Sheldrick, Acta Cryst. A64 2008, 112-122)'
_computing_structure_refinement
'SHELXL (Sheldrick, Acta Cryst. A64 2008, 112-122)'
_computing_structure_solution
'SHELXS (Sheldrick, Acta Cryst. A64 2008, 112-122)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w,and/f 0.5 deg'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0230
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10727
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.53
_diffrn_reflns_theta_min         1.65
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.207
_exptl_absorpt_correction_T_max  0.9843
_exptl_absorpt_correction_T_min  0.9120
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chunk
_exptl_crystal_F_000             404
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.336
_refine_diff_density_min         -0.569
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         3447
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0757
_refine_ls_R_factor_gt           0.0588
_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^)+(0.0389P)^2^+1.3749P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1284
_refine_ls_wR_factor_ref         0.1401
_reflns_number_gt                2696
_reflns_number_total             3447
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol301204w_si_002.cif
_cod_data_source_block           bb84
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

 Adding full bibliography for 1508279--1508280.cif.
;
_cod_database_code               1508279
_contact_crystallographer_name   'Richard Staples'
_contact_crystallographer_email  staples@chemistry.msu.com