Peganumine B-I and two enantiomers, new alkaloids from the seeds of Peganum harmala Linn and its potential cytotoxicity and cholinesterases inhibitory activities
Yang, Yadi; Cheng, Xuemei; Liu, Wei; Han, Zhu-zhen; Chou, Guixin; Wang, Ying; Sun, Duxin; Wang, Zhengtao; Wang, Changhong; RSC Adv.  (2016) –; doi:10.1039/C6RA00086J

data_7224037
_publ_section_title
;
 Peganumine B-I and two enantiomers, new alkaloids from the seeds of
 Peganum harmala Linn and its potential cytotoxicity and cholinesterases
 inhibitory activities
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA00086J
_journal_year                    2016
_chemical_formula_sum            'C26 H26 N4 O4'
_chemical_formula_weight         458.51
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-04-19 deposited with the CCDC.
2016-01-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 105.2390(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.9175(2)
_cell_length_b                   7.04670(10)
_cell_length_c                   22.1982(3)
_cell_measurement_reflns_used    9869
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      69.21
_cell_measurement_theta_min      3.07
_cell_volume                     2251.41(5)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_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  0.0299
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            15844
_diffrn_reflns_theta_full        69.56
_diffrn_reflns_theta_max         69.56
_diffrn_reflns_theta_min         3.07
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.757
_exptl_absorpt_correction_T_max  0.9281
_exptl_absorpt_correction_T_min  0.8274
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.353
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.186
_refine_diff_density_min         -0.338
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     312
_refine_ls_number_reflns         4141
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0425
_refine_ls_R_factor_gt           0.0407
_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^)+(0.0670P)^2^+0.7383P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1080
_refine_ls_wR_factor_ref         0.1098
_reflns_number_gt                3879
_reflns_number_total             4141
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra00086j2.cif
_cod_data_source_block           cu_dm14004_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7224037