Scaffold diversity-oriented synthesis of limonoid dimers: discovery of an axially chiral agent within vivoanti-breast cancer activity
Li, Wan-Shan; Yang, Yang; Liu, Jun-Jun; Shen, Li; Shi, Zhi; Wu, Jun; Organic Chemistry Frontiers 5 (2018) 1079–; doi:10.1039/C8QO00154E

data_1554271
_publ_section_title
;
 Scaffold diversity-oriented synthesis of limonoid dimers: discovery of an
 axially chiral agent within vivoanti-breast cancer activity
;
_journal_issue                   7
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              1079
_journal_paper_doi               10.1039/C8QO00154E
_journal_volume                  5
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_sum            'C35 H44 O12'
_chemical_formula_weight         656.70
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-01-24 deposited with the CCDC.
2018-03-09 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.18292(14)
_cell_length_b                   12.4621(2)
_cell_length_c                   28.4369(5)
_cell_measurement_reflns_used    11760
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      60.9744
_cell_measurement_theta_min      3.5437
_cell_volume                     3254.28(9)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
;
_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_environment      N~2~
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.5058
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0193
_diffrn_reflns_av_sigmaI/netI    0.0194
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            15463
_diffrn_reflns_theta_full        61.06
_diffrn_reflns_theta_max         61.06
_diffrn_reflns_theta_min         3.87
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_type              'Enhance Ultra (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.839
_exptl_absorpt_correction_T_max  0.8177
_exptl_absorpt_correction_T_min  0.7579
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.340
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1400
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.154
_refine_diff_density_min         -0.167
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     434
_refine_ls_number_reflns         4962
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0272
_refine_ls_R_factor_gt           0.0268
_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^)+(0.0392P)^2^+0.5110P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0674
_refine_ls_wR_factor_ref         0.0677
_reflns_number_gt                4905
_reflns_number_total             4962
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8qo00154e5.cif
_cod_data_source_block           exp_20294
_cod_original_cell_volume        3254.29(9)
_cod_original_sg_symbol_Hall     ' P 2ac 2ab'
_cod_database_code               1554271