An Easy Access to Topical Gels of an Anti-cancer Prodrug (5-Flurouracil Acetic Acid) for Self-drug-delivery Applications
Dastidar, Parthasarathi; Chakraborty, Poulami; Chemical Communications  (2019) –; doi:10.1039/C9CC03037A

data_7123606
_publ_section_title
;
 An Easy Access to Topical Gels of an Anti-cancer Prodrug (5-Flurouracil
 Acetic Acid) for Self-drug-delivery Applications
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC03037A
_journal_year                    2019
_chemical_formula_moiety         'C6 H3 F N2 O4, 2(C12 H28 N)'
_chemical_formula_sum            'C30 H59 F N4 O4'
_chemical_formula_weight         558.81
_chemical_name_systematic        FuA_12
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2018-09-13
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-09-20 deposited with the CCDC.    2019-06-07 downloaded from the CCDC.
;
_cell_angle_alpha                89.377(2)
_cell_angle_beta                 80.718(2)
_cell_angle_gamma                88.288(2)
_cell_formula_units_Z            2
_cell_length_a                   8.8667(6)
_cell_length_b                   9.0125(6)
_cell_length_c                   20.1479(11)
_cell_measurement_reflns_used    7346
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.94
_cell_measurement_theta_min      2.33
_cell_volume                     1588.22(17)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_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      99.98
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0563
_diffrn_reflns_av_unetI/netI     0.0745
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.977
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            20939
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.028
_diffrn_reflns_theta_min         2.261
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.5965
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1659 before and 0.0862 after correction. The Ratio of minimum to maximum transmission is 0.7996. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.169
_exptl_crystal_description       block
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.366
_refine_diff_density_min         -0.373
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     356
_refine_ls_number_reflns         9083
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0984
_refine_ls_R_factor_gt           0.0576
_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^)+(0.0684P)^2^+0.6225P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1432
_refine_ls_wR_factor_ref         0.1770
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5949
_reflns_number_total             9083
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc03037a4.cif
_cod_data_source_block           FuA_12
_cod_database_code               7123606
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.979
_shelx_estimated_absorpt_t_min   0.976
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H,H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C7(H7A,H7B), C19(H19A,H19B), C20(H20A,H20B), C9(H9A,H9B), C8(H8A,
 H8B), C26(H26A,H26B), C10(H10A,H10B), C22(H22A,H22B), C23(H23A,H23B), C28(H28A,
 H28B), C27(H27A,H27B), C13(H13A,H13B), C24(H24A,H24B), C11(H11A,H11B),
 C21(H21A,H21B), C25(H25A,H25B), C15(H15A,H15B), C14(H14A,H14B), C29(H29A,H29B),
  C12(H12A,H12B), C16(H16A,H16B), C17(H17A,H17B)
2.b Aromatic/amide H refined with riding coordinates:
 C4(H4)
2.c Idealised Me refined as rotating group:
 N3(H3A,H3B,H3C), N4(H4A,H4B,H4C), C30(H30A,H30B,H30C), C18(H18A,H18B,H18C)
;
_shelx_res_checksum              19764
_olex2_submission_special_instructions 'No special instructions were received'