Solvent-Induced Reversed Stereoselectivity in Reciprocal Resolutions of Mandelic Acid and erythro-2-Amino-1,2-diphenylethanol
Hiroaki Shitara; Toshiki Shintani; Koichi Kodama; Takuji Hirose; Journal of Organic Chemistry 78 (2013) 9309–9316; doi:10.1021/jo401517q

data_4028615
_publ_contact_author_address     '255 Shimo-Okubo,Sakura-ku,Saitama,Japan'
_publ_contact_author_email       hirose@apc.saitama-u.ac.jp
_publ_contact_author_fax         +81-48-858-9548
_publ_contact_author_name        'Takuji Hirose'
_publ_contact_author_phone       +81-48-858-9548
_publ_section_title
;
 Solvent-Induced Reversed Stereoselectivity in Reciprocal Resolutions of
 Mandelic Acid and erythro-2-Amino-1,2-diphenylethanol
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9309
_journal_page_last               9316
_journal_paper_doi               10.1021/jo401517q
_journal_volume                  78
_journal_year                    2013
_chemical_absolute_configuration rm
_chemical_formula_sum            'C26 H31 N O6'
_chemical_formula_weight         453.52
_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                   9.5257(10)
_cell_length_b                   10.0665(11)
_cell_length_c                   24.832(3)
_cell_measurement_temperature    150(2)
_cell_volume                     2381.2(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       \w
_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  0.0712
_diffrn_reflns_av_sigmaI/netI    0.0504
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11410
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9955
_exptl_absorpt_correction_T_min  0.9754
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_description       platelet
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.359
_refine_diff_density_min         -0.344
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.3(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         4191
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0481
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0683P)^2^+0.4610P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1145
_refine_ls_wR_factor_ref         0.1175
_reflns_number_gt                3804
_reflns_number_total             4191
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo401517q_si_010.cif
_cod_data_source_block           (S)-1_(1R,2S)-2_1,4-dioxane
_cod_original_cell_volume        2381.2(4)
_cod_database_code               4028615