Investigation of the stereochemistry of intermolecular conjugate additions of nucleophiles to acyclic nitrosoalkenes.
Witek, Jason A.; Weinreb, Steven M.; Organic letters 13 (2011) 1258–1260; doi:10.1021/ol2000793

data_1502019
_publ_section_title
;
 Investigation of the stereochemistry of intermolecular conjugate
 additions of nucleophiles to acyclic nitrosoalkenes.
;
_journal_issue                   5
_journal_name_full               'Organic letters'
_journal_page_first              1258
_journal_page_last               1260
_journal_paper_doi               10.1021/ol2000793
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C25 H36 N2 O9 S'
_chemical_formula_sum            'C25 H36 N2 O9 S'
_chemical_formula_weight         540.62
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.649(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4925(9)
_cell_length_b                   15.2878(12)
_cell_length_c                   17.4611(14)
_cell_measurement_reflns_used    2191
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.880
_cell_measurement_theta_min      2.174
_cell_volume                     2787.3(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_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  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0498
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            13036
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.392
_refine_diff_density_min         -0.164
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     340
_refine_ls_number_reflns         6612
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.1062
_refine_ls_R_factor_gt           0.0629
_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^)+(0.0785P)^2^+0.2594P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1437
_refine_ls_wR_factor_ref         0.1665
_reflns_number_gt                4099
_reflns_number_total             6612
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol2000793_si_003.cif
_cod_data_source_block           jaw3s
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1502019