Antimicrobial and Cytotoxic Angucyclic Quinones from <i>Actinomadura miaoliensis</i>.
Saepua, Siriporn; Kornsakulkarn, Jittra; Choowong, Wilunda; Suriyachadkun, Chanwit; Boonlarppradab, Chollaratt; Thongpanchang, Chawanee; Journal of natural products 84 (2021) 2775–2785; doi:10.1021/acs.jnatprod.1c00232

data_1565520
_publ_section_title
;
 Antimicrobial and Cytotoxic Angucyclic Quinones from <i>Actinomadura
 miaoliensis</i>.
;
_journal_issue                   11
_journal_name_full               'Journal of natural products'
_journal_page_first              2775
_journal_page_last               2785
_journal_paper_doi               10.1021/acs.jnatprod.1c00232
_journal_volume                  84
_journal_year                    2021
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C19 H20 O5'
_chemical_formula_sum            'C19 H20 O5'
_chemical_formula_weight         328.35
_chemical_name_systematic        AT2911_B6
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2020-10-01
_audit_creation_method
;
Olex2 1.3
(compiled 2020.07.31 svn.rc2a77460 for OlexSys, GUI svn.r6145)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.9241(6)
_cell_length_b                   9.6917(6)
_cell_length_c                   20.1875(15)
_cell_measurement_reflns_used    9986
_cell_measurement_temperature    100
_cell_measurement_theta_max      70.13
_cell_measurement_theta_min      4.38
_cell_volume                     1550.36(19)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'PHOTON 100 CMOS DETECTOR'
_diffrn_detector_area_resol_mean 10.4167
_diffrn_detector_type            'PHOTON 100 CMOS'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '\k-Geometry Diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    '0.6 mm'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0447
_diffrn_reflns_av_unetI/netI     0.0271
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            16645
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         70.057
_diffrn_reflns_theta_min         4.380
_diffrn_source                   'X-ray tube'
_diffrn_source_current           50.0
_diffrn_source_power             2.5
_diffrn_source_target            Cu
_diffrn_source_type              'Micro focus tube'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.836
_exptl_absorpt_correction_T_max  0.7533
_exptl_absorpt_correction_T_min  0.6440
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0899 before and 0.0511 after correction.
The Ratio of minimum to maximum transmission is 0.8549.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_description       plate
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.135
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details
;
 Flack x determined using 1065 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.05(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         2910
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0346
_refine_ls_R_factor_gt           0.0305
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0375P)^2^+0.3151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0721
_refine_ls_wR_factor_ref         0.0742
_reflns_Friedel_coverage         0.696
_reflns_Friedel_fraction_full    0.974
_reflns_Friedel_fraction_max     0.967
_reflns_number_gt                2726
_reflns_number_total             2910
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            np1c00232_si_003.cif
_cod_data_source_block           at2911_b6_lt_0m_a
_cod_database_code               1565520
_shelx_shelxl_version_number     2018/3
_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:
 C6A(H6AA), C12(H12), C12A(H12A), C12B(H12B)
2.b Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C5(H5A,H5B), C6(H6A,H6B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2A), C9(H9), C10(H10), C11(H11)
2.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C)
2.e Idealised tetrahedral OH refined as rotating group:
 O1(H1), O2(H2), O5(H5)
;
_shelx_res_checksum              79105
_shelx_hkl_checksum              20449
_olex2_submission_special_instructions 'No special instructions were received'