Ruthenium-Catalyzed Late-Stage C–H Alkenylation of N-arylpyridazino[4,5-b] quinolin-1(2H)-ones
Kameshwaran, Chinnagounder; Nawaz Khan, Fazlur-Rahman; Organic & Biomolecular Chemistry  (2025) –; doi:10.1039/D5OB01511A

data_7160897
_publ_section_title
;
 Ruthenium-Catalyzed Late-Stage C--H Alkenylation of
 N-arylpyridazino[4,5-b] quinolin-1(2H)-ones
;
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_paper_doi               10.1039/D5OB01511A
_journal_year                    2025
_chemical_formula_moiety         'C23 H12 Cl3 N3 O'
_chemical_formula_sum            'C23 H12 Cl3 N3 O'
_chemical_formula_weight         452.71
_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
_audit_creation_date             2024-08-06
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-08-06 deposited with the CCDC.	2025-11-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.201(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.925(3)
_cell_length_b                   11.551(3)
_cell_length_c                   14.849(4)
_cell_measurement_reflns_used    9907
_cell_measurement_temperature    300(2)
_cell_measurement_theta_max      28.140
_cell_measurement_theta_min      2.465
_cell_volume                     2029.3(9)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve 1.5 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      300.00
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0377
_diffrn_reflns_av_unetI/netI     0.0251
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            35920
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.731
_diffrn_reflns_theta_min         2.068
_exptl_absorpt_coefficient_mu    0.473
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6851
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.482
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.252
_exptl_crystal_size_mid          0.207
_exptl_crystal_size_min          0.179
_refine_diff_density_max         0.648
_refine_diff_density_min         -0.480
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4300
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0563
_refine_ls_R_factor_gt           0.0462
_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^)+(0.0911P)^2^+0.7847P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1389
_refine_ls_wR_factor_ref         0.1500
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3582
_reflns_number_total             4300
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ob01511a2.cif
_cod_data_source_block           ckcy_1_270724_0m_a
_cod_original_cell_volume        2029.3(10)
_cod_database_code               7160897
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_max   0.920
_shelx_estimated_absorpt_t_min   0.890
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C6(H6), C10(H10), C15(H15), C16(H16), C17(H17), C18(H18),
 C19(H19), C20(H20), C22(H22), C23(H23)
;
_shelx_res_checksum              66881
_olex2_submission_special_instructions 'No special instructions were received'