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_7243281
_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         'C21 H21 N3 O3, H2 O, H1.86 O0.41'
_chemical_formula_sum            'C21 H24.75 N3 O4.42'
_chemical_formula_weight         389.87
_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   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2019-05-05
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-02-15 deposited with the CCDC.	2021-06-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.090(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.6957(16)
_cell_length_b                   6.3687(7)
_cell_length_c                   24.058(3)
_cell_measurement_reflns_used    1618
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      50.80
_cell_measurement_theta_min      3.40
_cell_volume                     2035.3(4)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.961
_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  0.0786
_diffrn_reflns_av_unetI/netI     0.1015
_diffrn_reflns_Laue_measured_fraction_full 0.961
_diffrn_reflns_Laue_measured_fraction_max 0.961
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            9153
_diffrn_reflns_point_group_measured_fraction_full 0.961
_diffrn_reflns_point_group_measured_fraction_max 0.961
_diffrn_reflns_theta_full        57.702
_diffrn_reflns_theta_max         57.702
_diffrn_reflns_theta_min         3.404
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.740
_exptl_absorpt_correction_T_max  0.7513
_exptl_absorpt_correction_T_min  0.4535
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.272
_exptl_crystal_F_000             828
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.230
_refine_diff_density_min         -0.194
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         2692
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.1081
_refine_ls_R_factor_gt           0.0706
_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^)+(0.0983P)^2^+0.5300P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1880
_refine_ls_wR_factor_ref         0.2150
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1746
_reflns_number_total             2692
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ra04061h3.cif
_cod_data_source_block           cu_190429a_0m
_cod_database_code               7243281
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.978
_shelx_estimated_absorpt_t_min   0.916
_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,H) groups
2.a Free rotating group:
 O4(H4A,H4B), O5(H5A,H5B)
2.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B)
2.c Aromatic/amide H refined with riding coordinates:
 C4(H4), C6(H6), C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C13(H13),
 C15(H15), C16(H16), C18(H18), C19(H19), N1(H1)
2.d Idealised Me refined as rotating group:
 C20(H20A,H20B,H20C), C21(H21A,H21B,H21C)
;
_shelx_res_checksum              49858
_olex2_submission_special_instructions 'No special instructions were received'