A Highly Stereoselective Addition of Lithiated Ynamides to Ellman–Davis ChiralN-tert-Butanesulfinyl Imines
Wang, Xiao-Na; Hsung, Richard P.; Qi, Rui; Fox, Sierra K.; Lv, Ming-Can; Organic Letters 15 (2013) 2514–; doi:10.1021/ol400989x

data_1512075
_publ_section_title
;
 A Highly Stereoselective Addition of Lithiated Ynamides to Ellman--Davis
 ChiralN-tert-Butanesulfinyl Imines
;
_journal_issue                   10
_journal_name_full               'Organic Letters'
_journal_page_first              2514
_journal_paper_doi               10.1021/ol400989x
_journal_volume                  15
_journal_year                    2013
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C27 H30 N2 O3 S2'
_chemical_formula_sum            'C27 H30 N2 O3 S2'
_chemical_formula_weight         494.65
_chemical_name_common            12226a
_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                   6.2139(7)
_cell_length_b                   15.0497(17)
_cell_length_c                   26.986(3)
_cell_measurement_reflns_used    2873
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.76
_cell_measurement_theta_min      2.81
_cell_volume                     2523.7(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0456
_diffrn_reflns_av_sigmaI/netI    0.0509
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            16998
_diffrn_reflns_theta_full        27.44
_diffrn_reflns_theta_max         27.44
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.242
_exptl_absorpt_correction_T_max  0.9809
_exptl_absorpt_correction_T_min  0.8884
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.234
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         5619
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0440
_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^)+(0.0426P)^2^+0.4176P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0892
_refine_ls_wR_factor_ref         0.0972
_reflns_number_gt                4561
_reflns_number_total             5619
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol400989x_si_003.cif
_cod_data_source_block           12226a
_cod_depositor_comments
;
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 2.3.1 from 2005-06-27.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2523.6(5)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1512075