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_1548712
_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 rm
_chemical_formula_moiety         'C15 H21 N O3'
_chemical_formula_sum            'C15 H21 N O3'
_chemical_formula_weight         263.33
_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                   7.9580(5)
_cell_length_b                   9.8360(6)
_cell_length_c                   17.1200(11)
_cell_measurement_reflns_used    4110
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.78
_cell_measurement_theta_min      5.17
_cell_volume                     1340.07(15)
_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 0.908
_diffrn_measured_fraction_theta_max 0.908
_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  0.0886
_diffrn_reflns_av_sigmaI/netI    0.1014
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5332
_diffrn_reflns_theta_full        64.94
_diffrn_reflns_theta_max         64.94
_diffrn_reflns_theta_min         5.17
_exptl_absorpt_coefficient_mu    0.730
_exptl_absorpt_correction_T_max  0.9927
_exptl_absorpt_correction_T_min  0.7070
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sheet
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.553
_refine_diff_density_min         -0.623
_refine_diff_density_rms         0.153
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(10)
_refine_ls_extinction_coef       0.044(8)
_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   1.194
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     177
_refine_ls_number_reflns         1966
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.194
_refine_ls_R_factor_all          0.1615
_refine_ls_R_factor_gt           0.1019
_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^)+(0.1787P)^2^+3.4544P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2698
_refine_ls_wR_factor_ref         0.3482
_reflns_number_gt                1374
_reflns_number_total             1966
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np7b00150_si_003.cif
_cod_data_source_block           cu_zdc271_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               1548712