Synthesis of Tetrahydroindolizino[8,7-b]indole Derivatives in the Presence of Fe(OTf)3 or CF3SO3H through Intramolecular Dearomatization of Indole
Cui, Hai-Lei; Liu, Si-Wei; Xiao, Xue; The Journal of Organic Chemistry  (2020) –; doi:10.1021/acs.joc.0c02188

data_4038929
_publ_section_title
;
 Synthesis of Tetrahydroindolizino[8,7-b]indole Derivatives in the
 Presence of Fe(OTf)3 or CF3SO3H through Intramolecular Dearomatization of
 Indole
;
_journal_name_full               'The Journal of Organic Chemistry'
_journal_paper_doi               10.1021/acs.joc.0c02188
_journal_year                    2020
_chemical_formula_moiety         'C29 H30 N2 O5'
_chemical_formula_sum            'C29 H30 N2 O5'
_chemical_formula_weight         486.55
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-03-16
_audit_creation_method
;
Olex2 1.3
(compiled 2020.02.04 svn.rd84adfe8 for OlexSys, GUI svn.r6032)
;
_cell_angle_alpha                85.879(5)
_cell_angle_beta                 77.215(5)
_cell_angle_gamma                80.871(4)
_cell_formula_units_Z            2
_cell_length_a                   9.6091(5)
_cell_length_b                   10.3612(6)
_cell_length_c                   12.9622(9)
_cell_measurement_reflns_used    3713
_cell_measurement_temperature    112(19)
_cell_measurement_theta_max      28.8530
_cell_measurement_theta_min      2.9730
_cell_volume                     1241.70(13)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      112(19)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.2684
_diffrn_detector_type            AtlasS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
--------------------------------------------------------------------------
  1  \w    -54.00  36.00   1.00    2.00    --   11.74 -57.00 -30.00   90
  2  \w     -1.00  28.00   1.00    2.00    --   11.74 -99.00 -30.00   29
  3  \w    -72.00  16.00   1.00    2.00    --  -11.59 -57.00-180.00   88
  4  \w    -12.00  85.00   1.00    2.00    --   11.74  57.00 120.00   97
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0121590000
_diffrn_orient_matrix_UB_12      0.0665546000
_diffrn_orient_matrix_UB_13      0.0136119000
_diffrn_orient_matrix_UB_21      -0.0029417000
_diffrn_orient_matrix_UB_22      0.0195854000
_diffrn_orient_matrix_UB_23      -0.0531379000
_diffrn_orient_matrix_UB_31      -0.0754905000
_diffrn_orient_matrix_UB_32      -0.0011610000
_diffrn_orient_matrix_UB_33      0.0120091000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0310
_diffrn_reflns_av_unetI/netI     0.0512
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8731
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         1.992
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.95311
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43f (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_description       block
_exptl_crystal_F_000             516
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         4374
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0469
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0433P)^2^+0.4400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1047
_refine_ls_wR_factor_ref         0.1129
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3537
_reflns_number_total             4374
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c02188_si_002.cif
_cod_data_source_block           exp_2113
_cod_database_code               4038929
_shelx_shelxl_version_number     2018/3
_reflns_odcompleteness_completeness 99.98
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7), C8(H8)
2.b Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B), C10(H10A,H10B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C18(H18), C19(H19), C20(H20), C21(H21),
 C22(H22)
2.d Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C23(H23A,H23B,H23C), C27(H27A,H27B,H27C), C28(H28A,H28B,
 H28C), C29(H29A,H29B,H29C)
;
_shelx_res_checksum              20899
_shelx_hkl_checksum              92744
_olex2_date_sample_data_collection 2020-03-16
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.179
_oxdiff_exptl_absorpt_empirical_full_min 0.828