Hydroalumination of Ketenimines and Subsequent Reactions with Heterocumulenes: Synthesis of Unsaturated Amide Derivatives and 1,3-Diimines.
Jin, Xing; Willeke, Matthias; Lucchesi, Ralph; Daniliuc, Constantin-Gabriel; Fröhlich, Roland; Wibbeling, Birgit; Uhl, Werner; Würthwein, Ernst-Ulrich; The Journal of organic chemistry 80 (2015) 6062–6075; doi:10.1021/acs.joc.5b00466

data_4031051
_publ_section_title
;
 Hydroalumination of Ketenimines and Subsequent Reactions with
 Heterocumulenes: Synthesis of Unsaturated Amide Derivatives and
 1,3-Diimines.
;
_journal_issue                   12
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              6062
_journal_page_last               6075
_journal_paper_doi               10.1021/acs.joc.5b00466
_journal_volume                  80
_journal_year                    2015
_chemical_formula_sum            'C24 H30 N2 O'
_chemical_formula_weight         362.50
_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                 103.025(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.5999(3)
_cell_length_b                   21.4717(7)
_cell_length_c                   21.4092(8)
_cell_measurement_reflns_used    6303
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     4299.5(3)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.941
_diffrn_measured_fraction_theta_max 0.941
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.040
_diffrn_reflns_av_sigmaI/netI    0.0350
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            21676
_diffrn_reflns_theta_full        66.83
_diffrn_reflns_theta_max         66.83
_diffrn_reflns_theta_min         4.71
_exptl_absorpt_coefficient_mu    0.526
_exptl_absorpt_correction_T_max  0.9641
_exptl_absorpt_correction_T_min  0.7607
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.120
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.351
_refine_diff_density_min         -0.169
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     497
_refine_ls_number_reflns         7192
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0673
_refine_ls_R_factor_gt           0.0559
_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^)+(0.0730P)^2^+1.1935P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1447
_refine_ls_wR_factor_ref         0.1556
_reflns_number_gt                5868
_reflns_number_total             7192
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo5b00466_si_005.cif
_cod_data_source_block           wue6513
_cod_depositor_comments
'Adding full bibliography for 4031041--4031057.cif.'
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4031051