Diterpenoids with Immunosuppressive Activities from Cinnamomum cassia.
Zeng, Junfen; Xue, Yongbo; Shu, Penghua; Qian, Huiqin; Sa, Rongjian; Xiang, Ming; Li, Xiao-Nian; Luo, Zengwei; Yao, Guangmin; Zhang, Yonghui; Journal of natural products 77 (2014) 1948–; doi:10.1021/np500465g

data_1517376
_publ_section_title
;
 Diterpenoids with Immunosuppressive Activities from Cinnamomum cassia.
;
_journal_issue                   8
_journal_name_full               'Journal of natural products'
_journal_page_first              1948
_journal_paper_doi               10.1021/np500465g
_journal_volume                  77
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H30 O7'
_chemical_formula_sum            'C20 H30 O7'
_chemical_formula_weight         382.44
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5101(2)
_cell_length_b                   13.9479(3)
_cell_length_c                   14.2836(3)
_cell_measurement_reflns_used    8566
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.00
_cell_measurement_theta_min      4.43
_cell_volume                     1894.66(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0258
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9500
_diffrn_reflns_theta_full        69.04
_diffrn_reflns_theta_max         69.04
_diffrn_reflns_theta_min         4.43
_exptl_absorpt_coefficient_mu    0.833
_exptl_absorpt_correction_T_max  0.8994
_exptl_absorpt_correction_T_min  0.8645
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.225
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3279
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0332
_refine_ls_R_factor_gt           0.0330
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0546P)^2^+0.4012P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0840
_refine_ls_wR_factor_ref         0.0842
_reflns_number_gt                3252
_reflns_number_total             3279
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np500465g_si_003.cif
_cod_data_source_block           cu_zjf2_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 1517375--1517376.cif.
;
_cod_database_code               1517376