Carbamoyl Azide-Drug Conjugates as Supramolecular Gelators: Design, Synthesis, Crystal Structures and Anti-Melanoma Property
Baskey, Manoj Kumar; Ghosh, Subhajit; Ahmed, Sabir; Dastidar, Parthasarathi; CrystEngComm  (2026) –; doi:10.1039/D6CE00129G

data_7251898
_publ_section_title
;
 Carbamoyl azide--drug conjugates as supramolecular gelators: design,
 synthesis, crystal structures and anti-melanoma property
;
_journal_issue                   20
_journal_name_full               CrystEngComm
_journal_page_first              3210
_journal_page_last               3224
_journal_paper_doi               10.1039/D6CE00129G
_journal_volume                  28
_journal_year                    2026
_chemical_formula_moiety         'C14 H11 Cl2 N5 O'
_chemical_formula_sum            'C14 H11 Cl2 N5 O'
_chemical_formula_weight         336.18
_chemical_name_systematic        Diclo-Az
_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     iterative
_audit_creation_date             2024-06-14
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2024-06-14 deposited with the CCDC.	2026-03-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.92(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.073(9)
_cell_length_b                   4.879(3)
_cell_length_c                   22.444(14)
_cell_measurement_reflns_used    4374
_cell_measurement_temperature    150.0
_cell_measurement_theta_max      25.04
_cell_measurement_theta_min      2.52
_cell_volume                     1522.4(17)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve 1.3 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      150.0
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0957
_diffrn_reflns_av_unetI/netI     0.0773
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            12467
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.091
_diffrn_reflns_theta_max         25.091
_diffrn_reflns_theta_min         2.930
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.435
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.4729
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1499 before and 0.1154 after correction.
The Ratio of minimum to maximum transmission is 0.6346.
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    1.467
_exptl_crystal_description       plate
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.396
_refine_diff_density_min         -0.402
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2695
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0822
_refine_ls_R_factor_gt           0.0624
_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^)+(0.0897P)^2^+0.8429P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1568
_refine_ls_wR_factor_ref         0.1731
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2030
_reflns_number_total             2695
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d6ce00129g2.cif
_cod_data_source_block           mo_pd070324_0m_a
_cod_depositor_comments
'Adding full bibliography for 7251897--7251901.cif.'
_cod_original_cell_volume        1522.2(16)
_cod_database_code               7251898
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.979
_shelx_estimated_absorpt_t_min   0.950
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C13(H13A,H13B)
2.b Aromatic/amide H refined with riding coordinates:
 N2(H2), N1(H1), C11(H11), C8(H8), C10(H10), C9(H9), C4(H4), C3(H3), C2(H2A)
;
_shelx_res_checksum              52438
_olex2_submission_special_instructions 'No special instructions were received'