Synthetic approaches to a chiral 4-amino-3-hydroxy piperidine with pharmaceutical relevance.
Ortiz, Adrian; Young, Ian S.; Sawyer, James R.; Hsiao, Yi; Singh, Amarjit; Sugiyama, Masano; Corbett, R. Michael; Chau, Melissa; Shi, Zhongping; Conlon, David A.; Organic & biomolecular chemistry 10 (2012) 5253–5257; doi:10.1039/c2ob25411e

data_7152412
_publ_section_title
;
 Synthetic approaches to a chiral 4-amino-3-hydroxy piperidine with
 pharmaceutical relevance.
;
_journal_issue                   27
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5253
_journal_page_last               5257
_journal_paper_doi               10.1039/c2ob25411e
_journal_volume                  10
_journal_year                    2012
_chemical_formula_sum            'C20 H30 Cl2 N2 O2'
_chemical_formula_weight         401.36
_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                   5.7182(3)
_cell_length_b                   12.0175(7)
_cell_length_c                   30.1828(17)
_cell_measurement_reflns_used    6947
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      54.98
_cell_measurement_theta_min      4.70
_cell_volume                     2074.1(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0497
_diffrn_reflns_av_sigmaI/netI    0.0415
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            12961
_diffrn_reflns_theta_full        55.23
_diffrn_reflns_theta_max         55.23
_diffrn_reflns_theta_min         2.93
_exptl_absorpt_coefficient_mu    2.941
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.285
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blade
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.044(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.101
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         2579
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0372
_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^)+(0.0531P)^2^+0.5707P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0966
_refine_ls_wR_factor_ref         0.0979
_reflns_number_gt                2418
_reflns_number_total             2579
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ob25411e.txt
_cod_data_source_block           p212121
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P2(1)2(1)2(1) '
_cod_database_code               7152412