Unified synthesis of enantiopure β2h, β3h and β2,3-amino acids
Yu, Shouyun; Ishida, Hiroshi; Juarez-Garcia, M. Elisa; Bode, Jeffrey W.; Chemical Science 1 (2010) 637–; doi:10.1039/c0sc00317d

data_1515838
_publ_section_title
;
 Unified synthesis of enantiopure \b2h, \b3h and \b2,3-amino acids
;
_journal_issue                   5
_journal_name_full               'Chemical Science'
_journal_page_first              637
_journal_paper_doi               10.1039/c0sc00317d
_journal_volume                  1
_journal_year                    2010
_chemical_formula_sum            'C26 H41 N O9'
_chemical_formula_weight         511.60
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 110.269(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.6909(19)
_cell_length_b                   10.6557(16)
_cell_length_c                   12.547(2)
_cell_measurement_temperature    160(1)
_cell_volume                     1340.8(4)
_computing_data_collection       'CrystalClear (Rigaku, 1999)'
_computing_data_reduction        'CrystalClear (Rigaku, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, 1999)'
_diffrn_ambient_temperature      160(1)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       'phi and omega rotations'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0169
_diffrn_reflns_av_sigmaI/netI    0.0314
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5927
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.58
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8482
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.528
_refine_diff_density_min         -0.370
_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   0.6(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     332
_refine_ls_number_reflns         3849
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0466
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0469P)^2^+0.7150P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1020
_refine_ls_wR_factor_ref         0.1082
_reflns_number_gt                3459
_reflns_number_total             3849
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0sc00317d.txt
_cod_data_source_block           shelxl
_cod_original_cell_volume        1340.9(4)
_cod_original_sg_symbol_H-M      'P 21 '
_cod_database_code               1515838