Phloroglucinol Derivatives with Unusual Skeletons from Cleistocalyx operculatus and Their in Vitro Antiviral Activity.
Su, Jun-Cheng; Wang, Shan; Cheng, Wen; Huang, Xiao-Jun; Li, Man-Mei; Jiang, Ren-Wang; Li, Yao-Lan; Wang, Lei; Ye, Wen-Cai; Wang, Ying; The Journal of organic chemistry 83 (2018) 8522–8532; doi:10.1021/acs.joc.8b01050

data_4035594
_publ_section_title
;
 Phloroglucinol Derivatives with Unusual Skeletons from Cleistocalyx
 operculatus and Their in Vitro Antiviral Activity.
;
_journal_issue                   15
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8522
_journal_page_last               8532
_journal_paper_doi               10.1021/acs.joc.8b01050
_journal_volume                  83
_journal_year                    2018
_chemical_compound_source        'Cleistocalyx operculatus'
_chemical_formula_moiety         'C18 H18 O4'
_chemical_formula_sum            'C18 H18 O4'
_chemical_formula_weight         298.32
_chemical_name_common
2',4'-dihydroxy-3',5'-dimethyl-6'-methoxychalcone
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-12-22
_audit_creation_method
;
Olex2 1.2
(compiled 2017.01.04 svn.r3372 for OlexSys, GUI svn.r5289)
;
_audit_update_record
;
2018-04-16 deposited with the CCDC.
2018-04-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.262(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.9193(3)
_cell_length_b                   24.6258(6)
_cell_length_c                   11.4467(3)
_cell_measurement_reflns_used    10232
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      73.3110
_cell_measurement_theta_min      4.2800
_cell_volume                     3037.85(14)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, AtlasS2'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0286
_diffrn_reflns_av_unetI/netI     0.0229
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.965
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            19143
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.965
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.609
_diffrn_reflns_theta_min         4.306
_exptl_absorpt_coefficient_mu    0.749
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.76800
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43f (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.432
_refine_diff_density_min         -0.249
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         5925
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0655
_refine_ls_R_factor_gt           0.0601
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0844P)^2^+2.0787P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1704
_refine_ls_wR_factor_ref         0.1749
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5261
_reflns_number_total             5925
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b01050_si_005.cif
_cod_data_source_block           a7-h7-1
_cod_depositor_comments
;

2020-04-07
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_moiety     '2(C18 H18 O4)'
_cod_original_formula_sum        'C36 H36 O8'
_cod_original_formula_units_Z    4
_cod_original_formula_weight     596.65
_cod_database_code               4035594
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.915
_shelx_estimated_absorpt_t_min   0.896
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C8(H8), C9(H9), C11(H11), C12(H12), C13(H13), C14(H14), C15(H15), C8'(H8'),
 C9'(H9'), C11'(H11'), C12'(H12'), C13'(H13'), C14'(H14'), C15'(H15')
2.b Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C16'(H16D,H16E,
 H16F), C17'(H17D,H17E,H17F), C18'(H18D,H18E,H18F)
2.c Idealised tetrahedral OH refined as rotating group:
 O2(H2), O3(H3), O2'(H2'), O3'(H3')
;
_olex2_submission_special_instructions 'No special instructions were received'