Synthetic access toward the diverse ginsenosides
Yu, Jun; Sun, Jiansong; Niu, Yiming; Li, Rongyao; Liao, Jinxi; Zhang, Fuyi; Yu, Biao; Chemical Science 4 (2013) 3899–; doi:10.1039/c3sc51479j

data_1514535
_publ_section_title
;
 Synthetic access toward the diverse ginsenosides
;
_journal_issue                   10
_journal_name_full               'Chemical Science'
_journal_page_first              3899
_journal_paper_doi               10.1039/c3sc51479j
_journal_volume                  4
_journal_year                    2013
_chemical_absolute_configuration ad
_chemical_formula_sum            'C37 H60 O6'
_chemical_formula_weight         600.85
_chemical_name_systematic
;
?
;
_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                   10.4149(8)
_cell_length_b                   13.7246(11)
_cell_length_c                   24.6030(19)
_cell_measurement_reflns_used    4094
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      47.659
_cell_measurement_theta_min      4.447
_cell_volume                     3516.8(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0348
_diffrn_reflns_av_sigmaI/netI    0.0427
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            19081
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.62106
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1320
_exptl_crystal_size_max          0.233
_exptl_crystal_size_mid          0.179
_exptl_crystal_size_min          0.163
_refine_diff_density_max         0.439
_refine_diff_density_min         -0.188
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.6(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     426
_refine_ls_number_reflns         6874
_refine_ls_number_restraints     28
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0769
_refine_ls_R_factor_gt           0.0516
_refine_ls_shift/su_max          0.025
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0868P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1289
_refine_ls_wR_factor_ref         0.1432
_reflns_number_gt                4976
_reflns_number_total             6874
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3sc51479j.txt
_cod_data_source_block           cd211287
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1514535