Rhytidenones A-F, Spirobisnaphthalenes from Rhytidhysteron sp. AS21B, an Endophytic Fungus.
Pudhom, Khanitha; Teerawatananond, Thapong; Journal of natural products 77 (2014) 1962–; doi:10.1021/np500068y

data_1517272
_publ_section_title
;
 Rhytidenones A-F, Spirobisnaphthalenes from Rhytidhysteron sp. AS21B, an
 Endophytic Fungus.
;
_journal_issue                   8
_journal_name_full               'Journal of natural products'
_journal_page_first              1962
_journal_paper_doi               10.1021/np500068y
_journal_volume                  77
_journal_year                    2014
_chemical_formula_sum            'C26 H24 O7'
_chemical_formula_weight         448.45
_space_group_IT_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.256(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.7279(12)
_cell_length_b                   7.7892(9)
_cell_length_c                   17.775(3)
_cell_measurement_temperature    293(2)
_cell_volume                     1069.1(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0246
_diffrn_reflns_av_sigmaI/netI    0.0529
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            3819
_diffrn_reflns_theta_full        23.31
_diffrn_reflns_theta_max         23.31
_diffrn_reflns_theta_min         1.15
_exptl_absorpt_coefficient_mu    0.101
_exptl_crystal_density_diffrn    1.393
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             472
_refine_diff_density_max         0.137
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.2(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.960
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         2603
_refine_ls_number_restraints     337
_refine_ls_restrained_S_all      0.901
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0396
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0768P)^2^+0.0148P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0961
_refine_ls_wR_factor_ref         0.1204
_reflns_number_gt                2140
_reflns_number_total             2603
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            np500068y_si_002.cif
_cod_data_source_block           561682_0m
_cod_depositor_comments          'Adding full bibliography for 1517272.cif.'
_cod_database_code               1517272