Total Synthesis and Biological Evaluation of (+)- and (-)-Bisanthraquinone Antibiotic BE-43472B and Related Compounds
K. C. Nicolaou; Jochen Becker; Yee Hwee Lim; Alexandre Lemire; Thomas Neubauer; Ana Montero; Journal of the American Chemical Society 131 (2009) 14812–14826; doi:10.1021/ja9073694

data_4105163
_publ_section_title
;
 Total Synthesis and Biological Evaluation of (+)- and
 (-)-Bisanthraquinone Antibiotic BE-43472B and Related Compounds
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14812
_journal_page_last               14826
_journal_paper_doi               10.1021/ja9073694
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C34 H34 O10'
_chemical_formula_weight         602.61
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_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 109.99(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.151(2)
_cell_length_b                   27.735(6)
_cell_length_c                   9.5831(19)
_cell_measurement_reflns_used    5712
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.08
_cell_measurement_theta_min      2.26
_cell_volume                     2785.2(11)
_computing_cell_refinement       'Bruker SAINT+'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT+'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0453
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            25506
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         1.47
_diffrn_standards_decay_%        1
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  0.9910
_exptl_absorpt_correction_T_min  0.9776
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1999)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.437
_exptl_crystal_density_meas      0
_exptl_crystal_description       Plate-like
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     404
_refine_ls_number_reflns         6700
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1025
_refine_ls_R_factor_gt           0.0575
_refine_ls_shift/su_max          0.050
_refine_ls_shift/su_mean         0.015
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0685P)^2^+0.5570P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1534
_reflns_number_gt                4057
_reflns_number_total             6700
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja9073694_si_002.cif
_cod_data_source_block           yeli
_cod_original_cell_volume        2785.2(10)
_cod_database_code               4105163