Thaixylomolins A–C: Limonoids Featuring Two New Motifs from the ThaiXylocarpus moluccensis
Li, Jun; Li, Min-Yi; Bruhn, Torsten; Katele, Félix Zongwe; Xiao, Qiang; Pedpradab, Patchara; Wu, Jun; Bringmann, Gerhard; Organic Letters 15 (2013) 3682–; doi:10.1021/ol401556m

data_1512188
_publ_section_title
;
 Thaixylomolins A--C: Limonoids Featuring Two New Motifs from the
 ThaiXylocarpus moluccensis
;
_journal_issue                   14
_journal_name_full               'Organic Letters'
_journal_page_first              3682
_journal_paper_doi               10.1021/ol401556m
_journal_volume                  15
_journal_year                    2013
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C27 H34 O8 . C27 H34 O8'
_chemical_formula_sum            'C27 H34 O8'
_chemical_formula_weight         486.54
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_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                 97.1691(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4703(2)
_cell_length_b                   11.1191(2)
_cell_length_c                   19.4805(3)
_cell_measurement_reflns_used    4682
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      62.5574
_cell_measurement_theta_min      3.8809
_cell_volume                     2465.11(7)
_computing_cell_refinement       'SMART and SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'XPREP in SHELXTL (Sheldrick, 2008)'
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Oxford Gemini S Ultra'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0175
_diffrn_reflns_av_sigmaI/netI    0.0276
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            8282
_diffrn_reflns_theta_full        62.65
_diffrn_reflns_theta_max         62.65
_diffrn_reflns_theta_min         3.88
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.792
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.85388
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.319
_refine_diff_density_min         -0.215
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.26(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     643
_refine_ls_number_reflns         5827
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0379
_refine_ls_R_factor_gt           0.0361
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0592P)^2^+0.2285P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.0960
_reflns_number_gt                5561
_reflns_number_total             5827
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol401556m_si_002.cif
_cod_data_source_block           ThaixylomolinA
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1512188