Pentacyclic Furanosteroids: The Synthesis of Potential Kinase Inhibitors Related to Viridin and Wortmannolone
Yunhui Lang; Fabio E. S. Souza; Xinshe Xu; Nicholas J. Taylor; Abdeljalil Assoud; Russell Rodrigo; Journal of Organic Chemistry 74 (2009) 5429–5439; doi:10.1021/jo900922q

data_4024722
_publ_section_title
;
Pentacyclic Furanosteroids: The Synthesis of Potential Kinase Inhibitors
Related to Viridin and Wortmannolone
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5429
_journal_page_last               5439
_journal_paper_doi               10.1021/jo900922q
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C26.5 H30 Cl3 N2 O10 Os'
_chemical_formula_weight         833.08
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 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                 94.9340(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.0556(8)
_cell_length_b                   17.6768(10)
_cell_length_c                   29.0774(17)
_cell_measurement_temperature    180(2)
_cell_volume                     6685.7(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0741
_diffrn_reflns_av_sigmaI/netI    0.0651
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            29750
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    4.107
_exptl_absorpt_correction_T_max  0.921
_exptl_absorpt_correction_T_min  0.618
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.655
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             3280
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.020
_refine_diff_density_max         2.299
_refine_diff_density_min         -1.986
_refine_diff_density_rms         0.194
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.503
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         6555
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.503
_refine_ls_R_factor_all          0.0725
_refine_ls_R_factor_gt           0.0508
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0356P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1226
_refine_ls_wR_factor_ref         0.1259
_reflns_number_gt                4739
_reflns_number_total             6555
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo900922q_si_006.cif
_cod_data_source_block           rr1312m
_cod_original_sg_symbol_H-M      I2/a
_cod_original_formula_sum        'C26.50 H30 Cl3 N2 O10 Os'
_cod_database_code               4024722