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_4025337
_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_compound_source        'Local laboratory'
_chemical_formula_moiety         'C18 H21 N O2 S '
_chemical_formula_sum            'C18 H21 N O2 S'
_chemical_formula_weight         315.43
_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_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7047(3)
_cell_length_b                   10.7252(2)
_cell_length_c                   14.7684(5)
_cell_measurement_reflns_used    8550
_cell_measurement_temperature    188
_cell_measurement_theta_max      28.700
_cell_measurement_theta_min      0.998
_cell_volume                     1695.56(8)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       KappaCCD
_computing_data_reduction        'Denzo and Scalepak (Otwinowski & Minor, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_orient_matrix_type       X=UH
_diffrn_orient_matrix_UB_11      -0.07760
_diffrn_orient_matrix_UB_12      0.04091
_diffrn_orient_matrix_UB_13      -0.03210
_diffrn_orient_matrix_UB_21      0.05033
_diffrn_orient_matrix_UB_22      0.07316
_diffrn_orient_matrix_UB_23      -0.02842
_diffrn_orient_matrix_UB_31      0.00922
_diffrn_orient_matrix_UB_32      -0.02971
_diffrn_orient_matrix_UB_33      -0.06014
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           ' MoK\a'
_diffrn_radiation_wavelength_id  all
_diffrn_reflns_av_R_equivalents  0.026
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            4357
_diffrn_reflns_theta_full        29.0
_diffrn_reflns_theta_max         29.0
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.197
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.236
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Prism (0.21x0.27x0.38 mm)'
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.632
_refine_diff_density_rms         0.181
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.06(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.177
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         4338
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.177
_refine_ls_R_factor_all          0.0697
_refine_ls_R_factor_gt           0.0492
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0853P)^2^+0.0139P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1258
_refine_ls_wR_factor_ref         0.1482
_reflns_number_gt                3589
_reflns_number_total             4338
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo100173f_si_008.cif
_cod_data_source_block           global
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_sg_symbol_Hall     'P 2ac 2ab '
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_original_formula_sum        'C18 H21 N O2 S '
_cod_database_code               4025337
_cod_database_fobs_code          4025337