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_1514537
_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            'C41 H71 Cl O5 Si'
_chemical_formula_weight         707.52
_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                   9.3808(7)
_cell_length_b                   13.5353(11)
_cell_length_c                   32.994(3)
_cell_measurement_reflns_used    8345
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      53.810
_cell_measurement_theta_min      4.514
_cell_volume                     4189.3(6)
_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      133(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0392
_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       37
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            27407
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.95
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.159
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6453
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.122
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.265
_exptl_crystal_size_mid          0.211
_exptl_crystal_size_min          0.156
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     504
_refine_ls_number_reflns         8260
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0375
_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^)+(0.0533P)^2^+0.3395P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0899
_refine_ls_wR_factor_ref         0.0942
_reflns_number_gt                7215
_reflns_number_total             8260
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3sc51479j.txt
_cod_data_source_block           dm12091
_cod_depositor_comments
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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               1514537