Antiausterity Agents from Uvaria dac and Their Preferential Cytotoxic Activity against Human Pancreatic Cancer Cell Lines in a Nutrient-Deprived Condition.
Awale, Suresh; Ueda, Jun-Ya; Athikomkulchai, Sirivan; Abdelhamed, Sherif; Yokoyama, Satoru; Saiki, Ikuo; Miyatake, Ryuta; Journal of natural products 75 (2012) 1177–1183; doi:10.1021/np300295h

data_1507809
_publ_section_title
;
 Antiausterity Agents from Uvaria dac and Their Preferential Cytotoxic
 Activity against Human Pancreatic Cancer Cell Lines in a
 Nutrient-Deprived Condition.
;
_journal_issue                   6
_journal_name_full               'Journal of natural products'
_journal_page_first              1177
_journal_page_last               1183
_journal_paper_doi               10.1021/np300295h
_journal_volume                  75
_journal_year                    2012
_chemical_formula_moiety         'C28 H24 O8'
_chemical_formula_sum            'C28 H24 O8'
_chemical_formula_weight         488.49
_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                 107.232(3)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   10.6034(5)
_cell_length_b                   6.2661(3)
_cell_length_c                   18.0594(8)
_cell_measurement_reflns_used    3252
_cell_measurement_temperature    173
_cell_measurement_theta_max      71.97
_cell_measurement_theta_min      4.36
_cell_volume                     1146.04(9)
_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)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0706
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            12736
_diffrn_reflns_theta_full        72.10
_diffrn_reflns_theta_max         72.11
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.869
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.752
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.415
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             512.00
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.340
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.129
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     328
_refine_ls_number_reflns         4342
_refine_ls_number_restraints     1
_refine_ls_R_factor_gt           0.0823
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1249P)^2^+0.0016P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.2682
_reflns_number_gt                2218
_reflns_number_total             4342
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            np300295h_si_002.cif
_cod_data_source_block           UEDA1
_cod_database_code               1507809