Library construction of stereochemically diverse isomers of spirooliganin: their total synthesis and antiviral activity
Wang, Ru-Bing; Ma, Shuanggang; Jamieson, Cooper S.; Gao, Rong-Mei; Liu, Yunbao; Li, Yong; Wang, Xiaojing; Li, Yuhuan; Houk, Kendall N.; Qu, Jing; Yu, Shi-shan; Chemical Science  (2021) –; doi:10.1039/D1SC01277K

data_1561639
_publ_section_title
;
 Library construction of stereochemically diverse isomers of
 spirooliganin: their total synthesis and antiviral activity
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC01277K
_journal_year                    2021
_chemical_formula_sum            'C21 H30 O3'
_chemical_formula_weight         330.45
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2020-06-13 deposited with the CCDC.	2021-04-09 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.257(3)
_cell_length_b                   9.9205(7)
_cell_length_c                   23.3519(13)
_cell_measurement_temperature    107(2)
_cell_volume                     3534.5(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      107(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.983
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0317
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            8570
_diffrn_reflns_theta_full        70.99
_diffrn_reflns_theta_max         70.99
_diffrn_reflns_theta_min         4.77
_exptl_absorpt_coefficient_mu    0.638
_exptl_absorpt_correction_T_max  0.9448
_exptl_absorpt_correction_T_min  0.7665
_exptl_crystal_density_diffrn    1.242
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.569
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3355
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0567
_refine_ls_R_factor_gt           0.0500
_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^)+(0.0712P)^2^+1.8217P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1299
_refine_ls_wR_factor_ref         0.1364
_reflns_number_gt                2908
_reflns_number_total             3355
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d1sc01277k2.cif
_cod_data_source_block           exp_6163
_cod_original_cell_volume        3534.6(7)
_cod_database_code               1561639