Catalytic asymmetric formation of beta-sultams.
Zajac, Marian; Peters, René; Organic letters 9 (2007) 2007–2010; doi:10.1021/ol070644c

data_1505405
_publ_section_title
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 Catalytic asymmetric formation of beta-sultams.
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_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2007
_journal_page_last               2010
_journal_paper_doi               10.1021/ol070644c
_journal_volume                  9
_journal_year                    2007
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C13 H16 Cl3 N O4 S2'
_chemical_formula_sum            'C13 H16 Cl3 N O4 S2'
_chemical_formula_weight         420.74
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7448(2)
_cell_length_b                   13.9102(3)
_cell_length_c                   14.4931(3)
_cell_measurement_reflns_used    7284
_cell_measurement_temperature    220(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      2.03
_cell_volume                     1762.97(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Kappa CCD'
_computing_data_reduction        'Denzo + Scalepak (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP (Johnson,1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et Al., 1997)'
_diffrn_ambient_temperature      220(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Kappa CCD'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0373
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            4031
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.773
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.585
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Cut fragment'
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.273
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(6)
_refine_ls_extinction_coef       0.0250(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         4031
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0335
_refine_ls_R_factor_gt           0.0305
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0448P)^2^+0.3157P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0803
_refine_ls_wR_factor_ref         0.0827
_reflns_number_gt                3822
_reflns_number_total             4031
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol070644csi20070316_090029.cif
_cod_data_source_block           zajac1_P_06
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_database_code               1505405