Stewartiacids A–N, C-23 carboxylated triterpenoids from Chinese Stewartia and their inhibitory effects against ATP-citrate lyase and NF-κB
Wan, Jiang; Zang, Yi; Xiao, Dao-An; Li, Na; Li, Junmin; Jin, Ze-Xin; Chen, De-Lei; Xiong, Juan; Li, Jia; Hu, Jin-Feng; RSC Advances 10 (2020) 3343–3356; doi:10.1039/C9RA09542J

data_7239805
_publ_section_title
;
 Stewartiacids A--N, C-23 carboxylated triterpenoids from Chinese
 Stewartia and their inhibitory effects against ATP-citrate lyase and
 NF-\kB
;
_journal_issue                   6
_journal_name_full               'RSC Advances'
_journal_page_first              3343
_journal_page_last               3356
_journal_paper_doi               10.1039/C9RA09542J
_journal_volume                  10
_journal_year                    2020
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C30 H46 O6'
_chemical_formula_sum            'C30 H46 O6'
_chemical_formula_weight         502.67
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2017-11-28
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_audit_update_record
;
2019-10-14 deposited with the CCDC.	2020-01-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.303(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.2747(19)
_cell_length_b                   6.4197(9)
_cell_length_c                   14.897(2)
_cell_measurement_reflns_used    7920
_cell_measurement_temperature    170
_cell_measurement_theta_max      54.877
_cell_measurement_theta_min      2.793
_cell_volume                     1316.7(3)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      170
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0521
_diffrn_reflns_av_unetI/netI     0.0535
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14495
_diffrn_reflns_point_group_measured_fraction_full 0.959
_diffrn_reflns_point_group_measured_fraction_max 0.950
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         55.147
_diffrn_reflns_theta_min         3.319
_exptl_absorpt_coefficient_mu    0.444
_exptl_absorpt_correction_T_max  0.7508
_exptl_absorpt_correction_T_min  0.4336
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1796 before and 0.1119 after correction. The Ratio of minimum to maximum transmission is 0.5775. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.268
_exptl_crystal_description       prism
_exptl_crystal_F_000             548
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details
;
 Flack x determined using 1396 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.19(17)
_refine_ls_extinction_coef       0.0051(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         4786
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0866
_refine_ls_R_factor_gt           0.0683
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0638P)^2^+1.8757P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1556
_refine_ls_wR_factor_ref         0.1718
_reflns_Friedel_coverage         0.756
_reflns_Friedel_fraction_full    0.919
_reflns_Friedel_fraction_max     0.905
_reflns_number_gt                4023
_reflns_number_total             4786
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ra09542j2.cif
_cod_data_source_block           mjr17084_0m
_cod_depositor_comments
'Adding full bibliography for 7239805--7239808.cif.'
_cod_database_code               7239805
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.996
_shelx_estimated_absorpt_t_min   0.978
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C3(H3A), C5(H5), C9(H9), C11(H11), C18(H18), C19(H19), C20(H20), C22(H22)
2.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C6(H6A,H6B), C7(H7A,H7B), C16(H16A,H16B), C21(H21A,
 H21B)
2.c Aromatic/amide H refined with riding coordinates:
 C15(H15)
2.d Idealised Me refined as rotating group:
 C24(H24A,H24B,H24C), C25(H25A,H25B,H25C), C26(H26A,H26B,H26C), C27(H27A,H27B,
 H27C), C28(H28A,H28B,H28C), C29(H29A,H29B,H29C), C30(H30A,H30B,H30C)
2.e Idealised tetrahedral OH refined as rotating group:
 O3(H3), O4(H4)
;
_shelx_res_checksum              96571
_olex2_submission_special_instructions 'No special instructions were received'