Four novel sesquiterpenoids with their anti-Alzheimer's disease activity from Nardostachys chinensis.
Wu, Pei-Qian; Yu, Yi-Fan; Zhao, Ye; Yu, Chun-Xue; Zhi, De-Juan; Qi, Feng-Ming; Fei, Dong-Qing; Zhang, Zhan-Xin; Organic & biomolecular chemistry 16 (2018) 9038–9045; doi:10.1039/c8ob02319k

data_7156560
_publ_section_title
;
 Four novel sesquiterpenoids with their anti-Alzheimer's disease activity
 from Nardostachys chinensis.
;
_journal_issue                   46
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              9038
_journal_page_last               9045
_journal_paper_doi               10.1039/c8ob02319k
_journal_volume                  16
_journal_year                    2018
_chemical_formula_moiety         'C15 H18 O3'
_chemical_formula_sum            'C15 H18 O3'
_chemical_formula_weight         246.29
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2018-07-25
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2018-08-12 deposited with the CCDC.
2018-11-07 downloaded from the CCDC.
;
_cell_angle_alpha                83.665(14)
_cell_angle_beta                 80.712(14)
_cell_angle_gamma                66.771(16)
_cell_formula_units_Z            2
_cell_length_a                   7.0433(12)
_cell_length_b                   7.9515(14)
_cell_length_c                   13.619(2)
_cell_measurement_reflns_used    696
_cell_measurement_temperature    294.98(10)
_cell_measurement_theta_max      22.7720
_cell_measurement_theta_min      4.0920
_cell_volume                     690.8(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      294.98(10)
_diffrn_detector_area_resol_mean 16.0733
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_details
;
  1 omega  -14.00   22.00   1.0000    3.0000
omega____ theta____ kappa____ phi______ frames
    -      -19.4273  -99.0000   90.0000 36

  2 omega  -45.00   47.00   1.0000    3.0000
omega____ theta____ kappa____ phi______ frames
    -       22.7867  -57.0000  120.0000 92

  3 omega   -1.00   92.00   1.0000    3.0000
omega____ theta____ kappa____ phi______ frames
    -       22.7867   57.0000  -90.0000 93

  4 omega    0.00   60.00   1.0000    3.0000
omega____ theta____ kappa____ phi______ frames
    -       22.7867   77.0000  -30.0000 60

  5 omega  -49.00   53.00   1.0000    3.0000
omega____ theta____ kappa____ phi______ frames
    -       22.7867  -77.0000   30.0000 102
;
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0608726000
_diffrn_orient_matrix_UB_12      -0.0360702000
_diffrn_orient_matrix_UB_13      0.0358614000
_diffrn_orient_matrix_UB_21      -0.0879097000
_diffrn_orient_matrix_UB_22      0.0475186000
_diffrn_orient_matrix_UB_23      -0.0255405000
_diffrn_orient_matrix_UB_31      0.0279206000
_diffrn_orient_matrix_UB_32      -0.0767393000
_diffrn_orient_matrix_UB_33      -0.0292260000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0353
_diffrn_reflns_av_unetI/netI     0.0732
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            4503
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         3.34
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.41681
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_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    1.184
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.219
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2714
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.1289
_refine_ls_R_factor_gt           0.0671
_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^)+(0.0622P)^2^+0.2325P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1455
_refine_ls_wR_factor_ref         0.1918
_reflns_number_gt                1433
_reflns_number_total             2714
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8ob02319k2.cif
_cod_data_source_block           ncb-72
_cod_depositor_comments
'Adding full bibliography for 7156560--7156562.cif.'
_cod_database_code               7156560
_reflns_odcompleteness_completeness 99.72
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_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 Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B)
2.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8)
2.c Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C)
2.d Idealised tetrahedral OH refined as rotating group:
 O1(H1)
;
_olex2_date_sample_data_collection 2018-05-29
_olex2_submission_special_instructions 'No special instructions were received'