Camphorsulfonic Acid-Mediated One-Pot Tandem Consecutive via the Ugi Four-Component Reaction for the Synthesis of Functionalized Indole and 2-Quinolone Derivatives by Switching Solvents.
Murugan, Sivan Perumal; Zhong, Hong-Jie; Wu, Chih-Yu; Pan, Hao-Wei; Chen, Chinpiao; Lee, Gene-Hsian; ACS omega 7 (2022) 5713–5729; doi:10.1021/acsomega.1c05460

data_4519357
_publ_section_title
;
 Camphorsulfonic Acid-Mediated One-Pot Tandem Consecutive via the Ugi
 Four-Component Reaction for the Synthesis of Functionalized Indole and
 2-Quinolone Derivatives by Switching Solvents.
;
_journal_issue                   7
_journal_name_full               'ACS omega'
_journal_page_first              5713
_journal_page_last               5729
_journal_paper_doi               10.1021/acsomega.1c05460
_journal_volume                  7
_journal_year                    2022
_chemical_formula_sum            'C29 H19 N O'
_chemical_formula_weight         397.45
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 98.0439(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0432(3)
_cell_length_b                   9.4172(3)
_cell_length_c                   22.1188(6)
_cell_measurement_reflns_used    9903
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      75.10
_cell_measurement_theta_min      4.70
_cell_volume                     2071.39(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0287
_diffrn_reflns_av_unetI/netI     0.0304
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
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_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         74.965
_diffrn_reflns_theta_min         5.112
_exptl_absorpt_coefficient_mu    0.598
_exptl_absorpt_correction_T_max  0.7539
_exptl_absorpt_correction_T_min  0.6159
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.274
_exptl_crystal_description       plate
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.239
_exptl_crystal_size_mid          0.174
_exptl_crystal_size_min          0.033
_refine_diff_density_max         0.230
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.039
_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     280
_refine_ls_number_reflns         4253
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0391
_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^)+(0.0519P)^2^+0.4951P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1067
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3799
_reflns_number_total             4253
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao1c05460_si_003.cif
_cod_data_source_block           ic19607
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4519357
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.870
_shelx_estimated_absorpt_t_max   0.981
_shelx_res_checksum              67955
_shelx_hkl_checksum              73088