Synthesis of (-)-Homogalanthamine from Naltrexone
Naoshi Yamamoto; Hideaki Fujii; Satomi Imaide; Shigeto Hirayama; Toru Nemoto; Junji Inokoshi; Hiroshi Tomoda; Hiroshi Nagase; Journal of Organic Chemistry 76 (2011) 2257–2260; doi:10.1021/jo1022487

data_4026154
_publ_section_title
;
 Synthesis of (-)-Homogalanthamine from Naltrexone
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2257
_journal_page_last               2260
_journal_paper_doi               10.1021/jo1022487
_journal_volume                  76
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H23 N O5'
_chemical_formula_sum            'C19 H23 N O5'
_chemical_formula_weight         345.39
_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
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 93.4300(14)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   7.74851(16)
_cell_length_b                   26.2071(6)
_cell_length_c                   8.18444(17)
_cell_measurement_reflns_used    16282
_cell_measurement_temperature    93
_cell_measurement_theta_max      68.27
_cell_measurement_theta_min      3.38
_cell_volume                     1659.00(6)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0306
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            18677
_diffrn_reflns_theta_full        68.25
_diffrn_reflns_theta_max         68.25
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.826
_exptl_absorpt_correction_T_max  0.848
_exptl_absorpt_correction_T_min  0.747
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_description       block
_exptl_crystal_F_000             736.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.260
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  2611 Friedel Pairs'
_refine_ls_abs_structure_Flack   -0.13(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     452
_refine_ls_number_reflns         5715
_refine_ls_number_restraints     1
_refine_ls_R_factor_gt           0.0319
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0442P)^2^+0.6003P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0858
_reflns_number_gt                5414
_reflns_number_total             5715
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            jo1022487_si_001.cif
_cod_data_source_block           NY-04-39-5
_cod_database_code               4026154