Biogenetically inspired total syntheses of lycopodium alkaloids, (+)-flabellidine and (-)-lycodine.
Azuma, Masayuki; Yoshikawa, Tetsuya; Kogure, Noriyuki; Kitajima, Mariko; Takayama, Hiromitsu; Journal of the American Chemical Society 136 (2014) 11618–11621; doi:10.1021/ja507016g

data_4122383
_publ_section_title
;
 Biogenetically inspired total syntheses of lycopodium alkaloids,
 (+)-flabellidine and (-)-lycodine.
;
_journal_issue                   33
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11618
_journal_page_last               11621
_journal_paper_doi               10.1021/ja507016g
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C25 H32 N2 O2'
_chemical_formula_sum            'C25 H32 N2 O2'
_chemical_formula_weight         392.54
_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                 110.3224(8)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   9.15750(17)
_cell_length_b                   8.68997(16)
_cell_length_c                   14.1387(3)
_cell_measurement_reflns_used    10595
_cell_measurement_temperature    93
_cell_measurement_theta_max      68.21
_cell_measurement_theta_min      3.34
_cell_volume                     1055.10(4)
_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    'Il Milione (Burla, et al., 2007)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0501
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11343
_diffrn_reflns_theta_full        68.21
_diffrn_reflns_theta_max         68.21
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.612
_exptl_absorpt_correction_T_max  0.941
_exptl_absorpt_correction_T_min  0.755
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             424.00
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.180
_refine_diff_density_min         -0.210
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  1660 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.1(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3721
_refine_ls_number_restraints     1
_refine_ls_R_factor_gt           0.0437
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0489P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1065
_reflns_number_gt                3162
_reflns_number_total             3721
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja507016g_si_004.cif
_cod_data_source_block           140318ishida4
_cod_depositor_comments
'Adding full bibliography for 4122382--4122384.cif.'
_cod_database_code               4122383