Tripterfordins A-O, Dihydro-β-agarofuran Sesquiterpenoids from the Leaves of <i>Tripterygium wilfordii</i>.
Zhou, Le; He, Qing-Jun; Lu, Li-Wei; Zhao, Feng; Zhang, Yan; Huang, Xiao-Xiao; Lin, Bin; Song, Shao-Jiang; Journal of natural products 82 (2019) 2696–2706; doi:10.1021/acs.jnatprod.9b00089

data_1552595
_publ_section_title
;
 Tripterfordins A-O, Dihydro-\b-agarofuran Sesquiterpenoids from the
 Leaves of <i>Tripterygium wilfordii</i>.
;
_journal_issue                   10
_journal_name_full               'Journal of natural products'
_journal_page_first              2696
_journal_page_last               2706
_journal_paper_doi               10.1021/acs.jnatprod.9b00089
_journal_volume                  82
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_sum            'C32 H40 O12'
_chemical_formula_weight         616.64
_chemical_name_common            HQT52a
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 93.76(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.618(10)
_cell_length_b                   12.165(6)
_cell_length_c                   13.421(8)
_cell_measurement_reflns_used    1875
_cell_measurement_temperature    293.(2)
_cell_measurement_theta_max      68.27
_cell_measurement_theta_min      28.62
_cell_volume                     1567(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 924)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293.(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker D8 VENTRUE PHOTON II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  multi-layer
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0280
_diffrn_reflns_av_unetI/netI     0.0341
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10315
_diffrn_reflns_theta_full        68.20
_diffrn_reflns_theta_max         68.20
_diffrn_reflns_theta_min         3.30
_diffrn_source                   'Incoatec Ius 3.0'
_diffrn_source_type              Microfocus
_exptl_absorpt_coefficient_mu    0.836
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.62
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.307
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.154
_refine_ls_abs_structure_details
;

Flack x determined using 2284 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.08(5)
_refine_ls_extinction_coef       0.0200(9)
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         5360
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0295
_refine_ls_R_factor_gt           0.0289
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0405P)^2^+0.2440P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0749
_refine_ls_wR_factor_ref         0.0761
_reflns_number_gt                5272
_reflns_number_total             5360
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            4.cif
_cod_data_source_block           HQJ52a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1567.(2)
_cod_database_code               1552595
_shelx_res_checksum              71723
_shelx_hkl_checksum              9736