New Entry to the Synthesis of α-Iminonitriles by Lewis Acid Mediated Isomerization of Cyano-Substituted Iminoisobenzofurans Prepared by Palladium-Catalyzed Three-Component Coupling of Arynes, Isocyanides, and Cyanoformates
Li, Jing; Noyori, Shintaro; Nakajima, Kiyohiko; Nishihara, Yasushi; Organometallics  (2014) 140623114450000–; doi:10.1021/om500408h

data_4083730
_publ_section_title
;
 New Entry to the Synthesis of \a-Iminonitriles by Lewis Acid Mediated
 Isomerization of Cyano-Substituted Iminoisobenzofurans Prepared by
 Palladium-Catalyzed Three-Component Coupling of Arynes, Isocyanides,
 and Cyanoformates
;
_journal_name_full               Organometallics
_journal_page_first              140623114450000
_journal_paper_doi               10.1021/om500408h
_journal_year                    2014
_chemical_formula_moiety         'C23 H28 N2 O2'
_chemical_formula_sum            'C23 H28 N2 O2'
_chemical_formula_weight         364.47
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                83.628(3)
_cell_angle_beta                 87.825(3)
_cell_angle_gamma                74.482(3)
_cell_formula_units_Z            2
_cell_length_a                   8.7662(10)
_cell_length_b                   9.9525(10)
_cell_length_c                   12.7874(13)
_cell_measurement_reflns_used    7139
_cell_measurement_temperature    298
_cell_measurement_theta_max      27.65
_cell_measurement_theta_min      3.07
_cell_volume                     1068.3(2)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_publication_material  'CrystalStructure 4.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298
_diffrn_detector_area_resol_mean 6.849
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Rigaku SCX mini'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0855
_diffrn_reflns_av_sigmaI/netI    0.1250
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10998
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.07
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.9928
_exptl_absorpt_correction_T_min  0.9647
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.133
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.164
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4845
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.2341
_refine_ls_R_factor_gt           0.0858
_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^)+(0.0829P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1763
_refine_ls_wR_factor_ref         0.2387
_reflns_number_gt                1770
_reflns_number_total             4845
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500408h_si_003.cif
_cod_data_source_block           yn19
_cod_database_code               4083730