From CO<sub>2</sub> to 4 H-Quinolizin-4-ones: A One-Pot Multicomponent Approach via Ag<sub>2</sub>O/Cs<sub>2</sub>CO<sub>3</sub> Orthogonal Tandem Catalysis.
Dong, Chao-Chen; Xiang, Jun-Feng; Xu, Li-Jin; Gong, Han-Yuan; The Journal of organic chemistry 83 (2018) 9561–9567; doi:10.1021/acs.joc.8b01206

data_4035372
_publ_section_title
;
 From CO<sub>2</sub> to 4 H-Quinolizin-4-ones: A One-Pot Multicomponent
 Approach via Ag<sub>2</sub>O/Cs<sub>2</sub>CO<sub>3</sub> Orthogonal
 Tandem Catalysis.
;
_journal_issue                   16
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9561
_journal_page_last               9567
_journal_paper_doi               10.1021/acs.joc.8b01206
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C13 H10 N2 O'
_chemical_formula_weight         210.23
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.858(2)
_cell_length_b                   6.8927(10)
_cell_length_c                   9.0764(12)
_cell_measurement_reflns_used    836
_cell_measurement_temperature    99.99(18)
_cell_measurement_theta_max      64.948
_cell_measurement_theta_min      5.580
_cell_volume                     992.1(2)
_computing_cell_refinement       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_diffrn_ambient_temperature      99.99(18)
_diffrn_detector_area_resol_mean 5.3127
_diffrn_measured_fraction_theta_full 0.857
_diffrn_measured_fraction_theta_max 0.906
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0429
_diffrn_reflns_av_unetI/netI     0.0375
_diffrn_reflns_Laue_measured_fraction_full 0.857
_diffrn_reflns_Laue_measured_fraction_max 0.906
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            1810
_diffrn_reflns_point_group_measured_fraction_full 0.857
_diffrn_reflns_point_group_measured_fraction_max 0.906
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         64.948
_diffrn_reflns_theta_min         5.580
_exptl_absorpt_coefficient_mu    0.736
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.32600
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'clear light yellow'
_exptl_crystal_density_diffrn    1.408
_exptl_crystal_description       prism
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.110
_exptl_crystal_size_mid          0.020
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.393
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.110
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     94
_refine_ls_number_reflns         836
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0693
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0731P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1159
_refine_ls_wR_factor_ref         0.1314
_reflns_Friedel_coverage         0.000
_reflns_number_gt                627
_reflns_number_total             836
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b01206_si_003.cif
_cod_data_source_block           A
_cod_database_code               4035372
_shelxl_version_number           2014-3
_shelx_res_checksum              71166
_shelx_hkl_checksum              3954