The first asymmetric total synthesis of lycoposerramine-R.
Ishida, Hiroaki; Kimura, Shinya; Kogure, Noriyuki; Kitajima, Mariko; Takayama, Hiromitsu; Organic & biomolecular chemistry 13 (2015) 7762–7771; doi:10.1039/c5ob00827a

data_7154529
_publ_section_title
;
 The first asymmetric total synthesis of lycoposerramine-R.
;
_journal_issue                   28
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              7762
_journal_page_last               7771
_journal_paper_doi               10.1039/c5ob00827a
_journal_volume                  13
_journal_year                    2015
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C20 H24 Br N O2'
_chemical_formula_sum            'C20 H24 Br N O2'
_chemical_formula_weight         390.32
_chemical_name_systematic        bypro179a
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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_update_record
;
2015-03-24 deposited with the CCDC.
2015-06-09 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   7.77818(14)
_cell_length_b                   13.1580(3)
_cell_length_c                   16.9759(3)
_cell_measurement_reflns_used    13670
_cell_measurement_temperature    93
_cell_measurement_theta_max      68.22
_cell_measurement_theta_min      3.36
_cell_volume                     1737.40(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    'Il Milione (Burla, et al., 2007)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0476
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            18488
_diffrn_reflns_theta_full        68.22
_diffrn_reflns_theta_max         68.22
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.317
_exptl_absorpt_correction_T_max  0.515
_exptl_absorpt_correction_T_min  0.437
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.492
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             808.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.310
_refine_diff_density_min         -0.420
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  1342 Friedel Pairs'
_refine_ls_abs_structure_Flack   -0.025(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3183
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0340
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0329P)^2^+0.0999P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0671
_reflns_number_gt                3049
_reflns_number_total             3183
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c5ob00827a2.cif
_cod_data_source_block           141020kogure1
_cod_depositor_comments
'Adding full bibliography for 7154529--7154530.cif.'
_cod_database_code               7154529