Formal [3+3] cycloaddition of indol-2-yl carbinol with azadiene and the oxidative ring expansion reaction for the synthesis of indole azepinones
Xue Zhong; You Li; Jing Zhang; Wu-Xia Zhang; Shi-Xue Wang; Fu-She Han; Chem.Commun. 50 (2014) 11181–; doi:10.1039/C4cc04995K

data_7115642
_publ_section_title
;
 Formal [3+3] cycloaddition of indol-2-yl carbinol with azadiene and the
 oxidative ring expansion reaction for the synthesis of indole azepinones
;
_journal_name_full               Chem.Commun.
_journal_page_first              11181
_journal_paper_doi               10.1039/C4cc04995K
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C20 H22 N2 O5'
_chemical_formula_weight         370.40
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.0440(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6837(8)
_cell_length_b                   9.5017(8)
_cell_length_c                   20.5631(17)
_cell_measurement_reflns_used    2532
_cell_measurement_temperature    188(2)
_cell_measurement_theta_max      25.81
_cell_measurement_theta_min      2.36
_cell_volume                     1890.8(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      188(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0335
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            11730
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.9869
_exptl_absorpt_correction_T_min  0.9678
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     247
_refine_ls_number_reflns         3707
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0507
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0554P)^2^+0.6127P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1143
_refine_ls_wR_factor_ref         0.1246
_reflns_number_gt                2900
_reflns_number_total             3707
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc04995k2.cif
_cod_data_source_block           x038
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7115642