Structure-based design, synthesis, and biological evaluation of novel piperine‒resveratrol hybrids as antiproliferative agents targeting SIRT-2
Tantawy, Ahmed H.; Meng, Xiang-Gao; Marzouk, Adel A.; Fouad, Ali; Abdelazeem, Ahmed H.; Youssif, Bahaa G. M.; Jiang, Hong; Wang, Man-Qun; RSC Advances 11 (2021) 25738–25751; doi:10.1039/D1RA04061H

data_7243284
_publ_section_title
;
 Structure-based design, synthesis, and biological evaluation of novel
 piperine--resveratrol hybrids as antiproliferative agents targeting
 SIRT-2
;
_journal_issue                   41
_journal_name_full               'RSC Advances'
_journal_page_first              25738
_journal_page_last               25751
_journal_paper_doi               10.1039/D1RA04061H
_journal_volume                  11
_journal_year                    2021
_chemical_formula_moiety         'C20 H18 N2 O5'
_chemical_formula_sum            'C20 H18 N2 O5'
_chemical_formula_weight         366.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2019-05-30
_audit_creation_method
; 
Olex2 1.2 
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506) 
;
_audit_update_record
;
2020-06-12 deposited with the CCDC.	2021-06-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 112.874(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.1988(7)
_cell_length_b                   4.8105(2)
_cell_length_c                   22.1672(8)
_cell_measurement_reflns_used    2380
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      64.10
_cell_measurement_theta_min      4.10
_cell_volume                     1788.03(13)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0601
_diffrn_reflns_av_unetI/netI     0.0798
_diffrn_reflns_Laue_measured_fraction_full 0.982
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            14927
_diffrn_reflns_point_group_measured_fraction_full 0.982
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        65.921
_diffrn_reflns_theta_max         65.921
_diffrn_reflns_theta_min         2.635
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.822
_exptl_absorpt_correction_T_max  0.7527
_exptl_absorpt_correction_T_min  0.6313
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2008/1 (Bruker,2008) was used for absorption correction. wR2(int) was 0.1274 before and 0.0607 after correction. The Ra '
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.361
_exptl_crystal_description       block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.215
_refine_diff_density_min         -0.171
_refine_diff_density_rms         0.052
_refine_ls_extinction_coef       0.0012(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     247
_refine_ls_number_reflns         3069
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0687
_refine_ls_R_factor_gt           0.0490
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0671P)^2^+0.2630P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1431
_refine_ls_wR_factor_ref         0.1575
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2352
_reflns_number_total             3069
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ra04061h3.cif
_cod_data_source_block           cu_190528e_0m
_cod_database_code               7243284
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.922
_shelx_estimated_absorpt_t_min   0.908
_olex2_refinement_description
; 
1. Fixed Uiso 
 At 1.2 times of: 
  All C(H) groups, All C(H,H) groups, All N(H) groups 
 At 1.5 times of: 
  All C(H,H,H) groups, All O(H) groups 
2.a Secondary CH2 refined with riding coordinates: 
 C20(H20A,H20B) 
2.b Aromatic/amide H refined with riding coordinates: 
 C2(H2), C5(H5), C6(H6), C8(H8), C10(H10), C11(H11), C12(H12), C13(H13), 
 C15(H15), C16(H16), C19(H19), N2(H2A) 
2.c Idealised Me refined as rotating group: 
 C7(H7A,H7B,H7C) 
2.d Idealised tetrahedral OH refined as rotating group: 
 O2(H2B) 
;
_olex2_submission_special_instructions 'No special instructions were received'