Highly efficient and versatile synthesis of lactams and N-heterocycles via Al(OTf)3-catalyzed cascade cyclization and ionic hydrogenation reactions.
Qi, Jianguo; Sun, Chenbin; Tian, Yulin; Wang, Xiaojian; Li, Gang; Xiao, Qiong; Yin, Dali; Organic letters 16 (2014) 190–192; doi:10.1021/ol403173x

data_1513518
_publ_section_title
;
 Highly efficient and versatile synthesis of lactams and N-heterocycles
 via Al(OTf)3-catalyzed cascade cyclization and ionic hydrogenation
 reactions.
;
_journal_issue                   1
_journal_name_full               'Organic letters'
_journal_page_first              190
_journal_page_last               192
_journal_paper_doi               10.1021/ol403173x
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C16 H15 N O'
_chemical_formula_sum            'C16 H15 N O'
_chemical_formula_weight         237.29
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.74(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.379(5)
_cell_length_b                   7.083(3)
_cell_length_c                   15.797(7)
_cell_measurement_temperature    295(2)
_cell_volume                     1272.6(10)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    ORTEPII(Johnson,1976)andPLUTON(Spek,1990)
_computing_publication_material  'SHELXL97(Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'MicroMax 002+'
_diffrn_measurement_method       \f\k
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0704
_diffrn_reflns_av_sigmaI/netI    0.0511
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            10950
_diffrn_reflns_theta_full        72.31
_diffrn_reflns_theta_max         72.31
_diffrn_reflns_theta_min         4.72
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.605
_exptl_absorpt_correction_T_max  0.647
_exptl_absorpt_correction_T_min  0.618
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             504
_exptl_crystal_size_max          1.18
_exptl_crystal_size_mid          0.73
_exptl_crystal_size_min          0.72
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.200
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.052(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2451
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0613
_refine_ls_R_factor_gt           0.0541
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0995P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1457
_refine_ls_wR_factor_ref         0.1580
_reflns_number_gt                1975
_reflns_number_total             2451
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol403173x_si_001.cif
_cod_data_source_block           5535
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1513518