Seco-Dendrobine-Type Alkaloids and Bioactive Phenolics from Dendrobium findlayanum
Yang, Dan; Cheng, Zhong-Quan; Yang, Liu; Hou, Bo; Yang, Jing; Li, Xiao-Nian; Zi, Cheng-Ting; Dong, Fa-Wu; Liu, Zheng-Hua; Zhou, Jun; Ding, Zhong-Tao; Hu, Jiang-Miao; Journal of Natural Products  (2018) –; doi:10.1021/acs.jnatprod.7b00150

data_1548710
_publ_section_title
;
 Seco-Dendrobine-Type Alkaloids and Bioactive Phenolics from Dendrobium
 findlayanum
;
_journal_name_full               'Journal of Natural Products'
_journal_paper_doi               10.1021/acs.jnatprod.7b00150
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H25 N O4'
_chemical_formula_sum            'C16 H25 N O4'
_chemical_formula_weight         295.37
_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                   9.1164(3)
_cell_length_b                   10.3428(3)
_cell_length_c                   15.9959(5)
_cell_measurement_reflns_used    8561
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.29
_cell_measurement_theta_min      5.09
_cell_volume                     1508.24(8)
_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 0.951
_diffrn_measured_fraction_theta_max 0.951
_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  0.0402
_diffrn_reflns_av_sigmaI/netI    0.0401
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8389
_diffrn_reflns_theta_full        69.60
_diffrn_reflns_theta_max         69.60
_diffrn_reflns_theta_min         5.09
_exptl_absorpt_coefficient_mu    0.754
_exptl_absorpt_correction_T_max  0.7524
_exptl_absorpt_correction_T_min  0.4802
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             640
_exptl_crystal_size_max          1.14
_exptl_crystal_size_mid          0.60
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.243
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.09(18)
_refine_ls_extinction_coef       0.0158(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   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     196
_refine_ls_number_reflns         2610
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0376
_refine_ls_R_factor_gt           0.0376
_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^)+(0.0548P)^2^+0.4384P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0940
_refine_ls_wR_factor_ref         0.0940
_reflns_number_gt                2608
_reflns_number_total             2610
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np7b00150_si_004.cif
_cod_data_source_block           cu_zdc237_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 
;
_cod_database_code               1548710