Synthesis of 2-Amino-3-hydroxy-3H-indoles via Palladium-Catalyzed One-Pot Reaction of Isonitriles, Oxygen, and N-Tosylhydrazones Derived from 2-Acylanilines.
Chu, Haoke; Dai, Qiang; Jiang, Yan; Cheng, Jiang; The Journal of organic chemistry 82 (2017) 8267–8272; doi:10.1021/acs.joc.7b01195

data_4032824
_publ_section_title
;
 Synthesis of 2-Amino-3-hydroxy-3H-indoles via Palladium-Catalyzed One-Pot
 Reaction of Isonitriles, Oxygen, and N-Tosylhydrazones Derived from
 2-Acylanilines.
;
_journal_issue                   15
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8267
_journal_page_last               8272
_journal_paper_doi               10.1021/acs.joc.7b01195
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C15 H14 N2 O'
_chemical_formula_sum            'C15 H14 N2 O'
_chemical_formula_weight         238.28
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-08-05
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2016.07.26 svn.r3321 for OlexSys, GUI svn.r5206)
;
_cell_angle_alpha                90
_cell_angle_beta                 110.369(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.415(2)
_cell_length_b                   12.716(3)
_cell_length_c                   10.387(2)
_cell_measurement_reflns_used    2387
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.376
_cell_measurement_theta_min      2.630
_cell_volume                     1289.6(5)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0724
_diffrn_reflns_av_unetI/netI     0.0700
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8049
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.985
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.390
_diffrn_reflns_theta_min         2.086
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.5287
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0837 before and 0.0537 after correction.
The Ratio of minimum to maximum transmission is 0.7092.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.227
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             504
_refine_diff_density_max         0.296
_refine_diff_density_min         -0.256
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         2899
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0890
_refine_ls_R_factor_gt           0.0580
_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^)+(0.0902P)^2^+0.1036P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1484
_refine_ls_wR_factor_ref         0.1724
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2022
_reflns_number_total             2899
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b01195_si_002.cif
_cod_data_source_block           c
_cod_database_code               4032824
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 N2(H2), C5(H5), C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C12(H12),
 C13(H13), C14(H14)
2.b Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C)
2.c Idealised tetrahedral OH refined as rotating group:
 O1(H1)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'