Synthesis of α-Amino Acids via Asymmetric Phase Transfer-Catalyzed Alkylation of Achiral Nickel(II) Complexes of Glycine-Derived Schiff Bases
Yuri N. Belokon; Natalia B. Bespalova; Tatiana D. Churkina; Ivana Císařová; Marina G. Ezernitskaya; Syuzanna R. Harutyunyan; Radim Hrdina; Henri B. Kagan; Pavel Kočovský; Konstantin A. Kochetkov; Oleg V. Larionov; Konstantin A. Lyssenko; Michael North; Miroslav Polášek; Alexander S. Peregudov; Vladimir V. Prisyazhnyuk; Štěpán Vyskočil; Journal of the American Chemical Society 125 (2003) 12860–12871; doi:10.1021/ja035465e

data_4114270
_publ_section_title
;
 Synthesis of \a-Amino Acids via Asymmetric Phase Transfer-Catalyzed
 Alkylation of Achiral Nickel(II) Complexes of Glycine-Derived Schiff
 Bases
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12860
_journal_page_last               12871
_journal_paper_doi               10.1021/ja035465e
_journal_volume                  125
_journal_year                    2003
_chemical_formula_moiety         'C22 H17 N3 Ni O3'
_chemical_formula_sum            'C22 H17 N3 Ni O3'
_chemical_formula_weight         430.10
_chemical_melting_point_gt       550
_chemical_name_systematic
;
 (R,S)-alanine and pyridine-2-carboxylic acid(2-benzoyl-phenyl)-amide
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 110.403(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.987(4)
_cell_length_b                   21.557(8)
_cell_length_c                   10.936(5)
_cell_measurement_reflns_used    1024
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      3
_cell_volume                     1764.8(14)
_computing_cell_refinement       'SMART (Bruker, 1998b)'
_computing_data_collection       'SMART (Bruker, 1998b)'
_computing_data_reduction        'SAINTPlus (Bruker, 1998a)'
_computing_molecular_graphics    'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_publication_material  'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_structure_refinement  'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_structure_solution    'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker SMART 1000 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  0.0458
_diffrn_reflns_av_sigmaI/netI    0.0773
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10376
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         2.74
_exptl_absorpt_coefficient_mu    1.131
_exptl_absorpt_correction_T_max  0.943
_exptl_absorpt_correction_T_min  0.852
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS(Sheldrick, 1998a)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.619
_exptl_crystal_description       prism
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.823
_refine_diff_density_min         -0.744
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.935
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     360
_refine_ls_number_reflns         4008
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.935
_refine_ls_R_factor_all          0.1058
_refine_ls_R_factor_gt           0.0537
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0657P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1161
_refine_ls_wR_factor_ref         0.1341
_reflns_number_gt                2088
_reflns_number_total             4008
_reflns_threshold_expression     I>2s(I)
_cod_data_source_file            ja035465esi20030515_062858_2.cif
_cod_data_source_block           comp3a
_cod_original_cell_volume        1764.9(14)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4114270