Enantioselective Thiourea-Catalyzed Cationic Polycyclizations
Robert R. Knowles; Song Lin; Eric N. Jacobsen; Journal of the American Chemical Society 132 (2010) 5030–5032; doi:10.1021/ja101256v

data_4102257
_publ_section_title
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 Enantioselective Thiourea-Catalyzed Cationic Polycyclizations
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5030
_journal_page_last               5032
_journal_paper_doi               10.1021/ja101256v
_journal_volume                  132
_journal_year                    2010
_chemical_absolute_configuration rm
_chemical_formula_sum            'C30 H36 Cl2 N2 O2 S2'
_chemical_formula_weight         591.63
_space_group_IT_number           78
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_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                   13.024(3)
_cell_length_b                   13.024(3)
_cell_length_c                   16.759(4)
_cell_measurement_reflns_used    1343
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.26
_cell_measurement_theta_min      2.24
_cell_volume                     2842.7(11)
_computing_cell_refinement       'Bruker Saint v7.23A (Bruker, 2005)'
_computing_data_collection       'APEX II (Bruker, 2007)'
_computing_data_reduction        'Bruker Saint v7.23A (Bruker, 2005)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0442
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            21897
_diffrn_reflns_theta_full        26.51
_diffrn_reflns_theta_max         26.51
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.407
_exptl_absorpt_correction_T_max  0.9839
_exptl_absorpt_correction_T_min  0.9158
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         5832
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0343
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0415P)^2^+0.2565P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0771
_refine_ls_wR_factor_ref         0.0809
_reflns_number_gt                5201
_reflns_number_total             5832
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja101256v_si_001.cif
_cod_data_source_block           SL-Chlorothiophene
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' 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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2842.6(12)
_cod_database_code               4102257