Asymmetric Synthesis of 1,3-Diamines by Diastereoselective Reduction of Enantiopure N-tert-Butanesulfinylketimines: Unusual Directing Effects of the ortho-Substituent
Marina Martjuga; Dmitry Shabashov; Sergey Belyakov; Edvards Liepinsh; Edgars Suna; Journal of Organic Chemistry 75 (2010) 2357–2368; doi:10.1021/jo100173f

data_4025340
_publ_section_title
;
 Asymmetric Synthesis of 1,3-Diamines by Diastereoselective Reduction of
 Enantiopure N-tert-Butanesulfinylketimines: Unusual Directing Effects of
 the ortho-Substituent
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2357
_journal_page_last               2368
_journal_paper_doi               10.1021/jo100173f
_journal_volume                  75
_journal_year                    2010
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C18 H23 Cl N2 O S'
_chemical_formula_sum            'C18 H23 Cl N2 O S'
_chemical_formula_weight         350.89
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 112.762(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.6984(3)
_cell_length_b                   13.8253(6)
_cell_length_c                   9.5434(3)
_cell_measurement_temperature    293(2)
_cell_volume                     936.62(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       CCD
_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  0.0187
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3743
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    0.321
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Prism '
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.594
_refine_diff_density_min         -0.665
_refine_diff_density_rms         0.200
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.154
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3707
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.154
_refine_ls_R_factor_all          0.0575
_refine_ls_R_factor_gt           0.0469
_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^)+(0.0769P)^2^+0.0213P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1259
_refine_ls_wR_factor_ref         0.1339
_reflns_number_gt                3210
_reflns_number_total             3707
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo100173f_si_011.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        936.63(6)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4025340
_cod_database_fobs_code          4025340