2-Oxindole Acts as a Synthon of 2-Aminobenzoyl Anion in the K2CO3-Catalyzed Reaction with Enones: Preparation of 1,4-Diketones Bearing an Amino Group and Their Further Transformations.
Miao, Chun-Bao; Zeng, Yu-Mei; Shi, Tong; Liu, Rui; Wei, Peng-Fei; Sun, Xiao-Qiang; Yang, Hai-Tao; The Journal of organic chemistry 81 (2016) 43–50; doi:10.1021/acs.joc.5b02054

data_4036464
_publ_section_title
;
 2-Oxindole Acts as a Synthon of 2-Aminobenzoyl Anion in the
 K2CO3-Catalyzed Reaction with Enones: Preparation of 1,4-Diketones
 Bearing an Amino Group and Their Further Transformations.
;
_journal_issue                   1
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              43
_journal_page_last               50
_journal_paper_doi               10.1021/acs.joc.5b02054
_journal_volume                  81
_journal_year                    2016
_chemical_formula_sum            'C24 H23 N O4'
_chemical_formula_weight         389.43
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.961(6)
_cell_angle_beta                 81.861(6)
_cell_angle_gamma                69.892(6)
_cell_formula_units_Z            2
_cell_length_a                   8.024(2)
_cell_length_b                   9.535(3)
_cell_length_c                   13.836(4)
_cell_measurement_temperature    296(2)
_cell_volume                     983.9(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  bruker-CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0437
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5458
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9694
_exptl_absorpt_correction_T_min  0.9634
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             412
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.261
_refine_diff_density_rms         0.066
_refine_ls_extinction_coef       0.052(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         3414
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0499
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0520P)^2^+0.3945P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1349
_refine_ls_wR_factor_ref         0.1414
_reflns_number_gt                2786
_reflns_number_total             3414
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo5b02054_si_003.cif
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4036464