Oxazole-Containing Diterpenoids from Cell Cultures of Salvia miltiorrhiza and Their Anti-HIV-1 Activities.
Zhang, Dewu; Guo, Jiamei; Zhang, Min; Liu, Xiao; Ba, Mingyu; Tao, Xiaoyu; Yu, Liyan; Guo, Ying; Dai, Jungui; Journal of natural products 80 (2017) 3241–3246; doi:10.1021/acs.jnatprod.7b00659

data_1548328
_publ_section_title
;
 Oxazole-Containing Diterpenoids from Cell Cultures of Salvia miltiorrhiza
 and Their Anti-HIV-1 Activities.
;
_journal_issue                   12
_journal_name_full               'Journal of natural products'
_journal_page_first              3241
_journal_page_last               3246
_journal_paper_doi               10.1021/acs.jnatprod.7b00659
_journal_volume                  80
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H17 N O2'
_chemical_formula_sum            'C20 H17 N O2'
_chemical_formula_weight         303.35
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_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_method           SHELXL-97
_cell_angle_alpha                70.26(8)
_cell_angle_beta                 77.00(6)
_cell_angle_gamma                81.658(10)
_cell_formula_units_Z            2
_cell_length_a                   7.3007(19)
_cell_length_b                   10.496(7)
_cell_length_c                   10.8610(10)
_cell_measurement_reflns_used    2833
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      62.38
_cell_measurement_theta_min      4.49
_cell_volume                     761.1(7)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    'ORTEPII(Johnson,1976) and PLUTON(Spek,1990)'
_computing_publication_material  'SHELXL97(Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.943
_diffrn_measured_fraction_theta_max 0.943
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  Multilayer
_diffrn_radiation_source         'Sealed Tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0338
_diffrn_reflns_av_sigmaI/netI    0.0189
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8381
_diffrn_reflns_theta_full        62.38
_diffrn_reflns_theta_max         62.38
_diffrn_reflns_theta_min         4.49
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.681
_exptl_absorpt_correction_T_max  0.793
_exptl_absorpt_correction_T_min  0.578
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             320
_exptl_crystal_size_max          0.93
_exptl_crystal_size_mid          0.73
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.193
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(2)
_refine_ls_extinction_coef       0.222(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     416
_refine_ls_number_reflns         2863
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0457
_refine_ls_R_factor_gt           0.0455
_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^)+(0.1007P)^2^+0.0321P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1175
_refine_ls_wR_factor_ref         0.1184
_reflns_number_gt                2833
_reflns_number_total             2863
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np7b00659_si_002.cif
_cod_data_source_block           5256b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed to 'constr'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 1548328.cif.
;
_cod_original_cell_volume        761.1(5)
_cod_original_sg_symbol_Hall     'p 1'
_cod_database_code               1548328