FeCl3 promoted ring size dictating diversity-oriented synthesis (DOS) of N-heterocycles using in situ generated cyclic imines and enamines
Dhandabani, Ganesh Kumar; Mutra, Mohana Reddy; Wang, Jeh-Jeng; Chemical Communications  (2019) –; doi:10.1039/C9CC03375K

data_7123596
_publ_section_title
;
 FeCl3 promoted ring size dictating diversity-oriented synthesis (DOS) of
 N-heterocycles using in situ generated cyclic imines and enamines
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC03375K
_journal_year                    2019
_chemical_formula_moiety         'C17 H11 N'
_chemical_formula_sum            'C17 H11 N'
_chemical_formula_weight         229.27
_chemical_name_systematic        Debenzolyation
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-03-10 deposited with the CCDC.    2019-06-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.5356(4)
_cell_length_b                   17.1340(14)
_cell_length_c                   17.5416(14)
_cell_measurement_reflns_used    6644
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.319
_cell_measurement_theta_min      3.323
_cell_volume                     1363.2(2)
_computing_cell_refinement       'SAINT V7.34A (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V7.34A (Bruker AXS, 2006)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0583
_diffrn_reflns_av_unetI/netI     0.0399
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            18945
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.413
_diffrn_reflns_theta_min         3.324
_exptl_absorpt_coefficient_mu    0.065
_exptl_absorpt_correction_T_max  0.9281
_exptl_absorpt_correction_T_min  0.8151
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_density_diffrn    1.117
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.450
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.164
_refine_diff_density_min         -0.197
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details
;
 Flack x determined using 713 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   1.1(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2789
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0781
_refine_ls_R_factor_gt           0.0509
_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^)+(0.0744P)^2^+0.4970P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1307
_refine_ls_wR_factor_ref         0.1496
_reflns_Friedel_coverage         0.679
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                2045
_reflns_number_total             2789
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc03375k2.cif
_cod_data_source_block           th6194
_cod_database_code               7123596
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.971
_shelx_estimated_absorpt_t_max   0.997
_shelx_res_checksum              42607
_shelx_fab_checksum              15761