Dibenzoate esters of <i>cis</i>-tetralin-2,3-diol as analogs of (–)-epigallocatechin gallate: synthesis and crystal structure of anticancer drug candidates
Rutherford, Ryan Noboru; Ura, Shinji; Chan, Tak-Hang; Fukumoto, Kozo; Nishioka, Takanori; Renzetti, Andrea; Acta Crystallographica Section C 76 (2020) –; doi:10.1107/S2053229620014916

data_2022281
_publ_section_title
;
 Dibenzoate esters of <i>cis</i>-tetralin-2,3-diol as analogs of
 (--)-epigallocatechin gallate: synthesis and crystal structure of
 anticancer drug candidates
;
_journal_coeditor_code           OP3007
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2053229620014916
_journal_volume                  76
_journal_year                    2020
_chemical_formula_iupac          'C26 H24 O6'
_chemical_formula_moiety         'C26 H24 O6'
_chemical_formula_sum            'C26 H24 O6'
_chemical_formula_weight         432.45
_chemical_name_systematic
;
(2<i>R</i>,3<i>S</i>)-1,2,3,4-Tetrahydronaphthalene-2,3-diyl
bis(4-methoxybenzoate)
;
_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_method
;
Olex2 1.3
(compiled 2020.02.04 svn.rd84adfe8 for OlexSys, GUI svn.r6032)
;
_cell_angle_alpha                90
_cell_angle_beta                 91.948(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.033(3)
_cell_length_b                   6.427(2)
_cell_length_c                   37.080(14)
_cell_measurement_reflns_used    4943
_cell_measurement_temperature    193.4
_cell_measurement_theta_max      27.4816
_cell_measurement_theta_min      3.1699
_cell_volume                     2151.4(13)
_computing_cell_refinement
;
CrystalClear (Rigaku, 2008)
;
_computing_data_collection
;
CrystalClear (Rigaku, 2008)
;
_computing_data_reduction
;
CrystalClear (Rigaku, 2008)
;
_computing_molecular_graphics
;
OLEX2 (Dolomanov <i>et al.</i>, 2009)
;
_computing_publication_material
;
OLEX2 (Dolomanov <i>et al.</i>, 2009)
;
_computing_structure_refinement
;
SHELXL2018 (Sheldrick, 2015b)
;
_computing_structure_solution
;
SHELXT2018 (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      193.4
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device
;
Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_device_type  'Rigaku Saturn724+ (2x2 bin mode)'
_diffrn_measurement_method       dtprofit.ref
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0546
_diffrn_reflns_av_unetI/netI     0.0702
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       48
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            20997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.541
_diffrn_reflns_theta_min         3.355
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8929
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_description       prism
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.237
_exptl_crystal_size_mid          0.144
_exptl_crystal_size_min          0.103
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.197
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4916
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0425
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0577P)^2^+0.2076P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1099
_refine_ls_wR_factor_ref         0.1159
_reflns_number_gt                4213
_reflns_number_total             4916
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            op3007sup1.cif
_cod_data_source_block           8
_cod_original_cell_volume        2151.4(14)
_cod_database_code               2022281
_cod_database_fobs_code          2022281
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.990
_shelx_hkl_checksum              18073
_shelx_res_checksum              24541