Convenient construction of tetrahydrochromeno[4′,3′:2,3]indolizino[8,7-b]indoles and tetrahydroindolizino[8,7-b]indoles via one-pot domino reaction
Sun, Jing; Jiang, Wang; Yan, Chao-Guo; RSC Advances 8 (2018) 28736–; doi:10.1039/C8RA05138K

data_7231375
_publ_section_title
;
 Convenient construction of
 tetrahydrochromeno[4&#x2032;,3&#x2032;:2,3]indolizino[8,7-b]indoles and
 tetrahydroindolizino[8,7-b]indoles via one-pot domino reaction
;
_journal_issue                   50
_journal_name_full               'RSC Advances'
_journal_page_first              28736
_journal_paper_doi               10.1039/C8RA05138K
_journal_volume                  8
_journal_year                    2018
_chemical_formula_moiety         'C27 H28 N2 O3'
_chemical_formula_sum            'C27 H28 N2 O3'
_chemical_formula_weight         428.51
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-03-31 deposited with the CCDC.
2018-08-07 downloaded from the CCDC.
;
_cell_angle_alpha                96.559(3)
_cell_angle_beta                 100.627(4)
_cell_angle_gamma                98.478(3)
_cell_formula_units_Z            2
_cell_length_a                   7.9309(8)
_cell_length_b                   8.1886(8)
_cell_length_c                   18.5826(19)
_cell_measurement_reflns_used    6608
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.28
_cell_measurement_theta_min      2.25
_cell_volume                     1160.7(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0395
_diffrn_reflns_av_unetI/netI     0.0482
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            18192
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.609
_diffrn_reflns_theta_min         2.254
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.975
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.226
_exptl_crystal_description       block
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.260
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         5359
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.1012
_refine_ls_R_factor_gt           0.0591
_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^)+(0.0720P)^2^+0.2369P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1385
_refine_ls_wR_factor_ref         0.1560
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3465
_reflns_number_total             5359
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ra05138k2.cif
_cod_data_source_block           2b
_cod_database_code               7231375
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.975
_shelx_estimated_absorpt_t_max   0.984
_shelx_res_checksum              17980