Copper-Catalyzed Formal [4 + 1] Cycloaddition of Benzamides and Isonitriles via Directed C-H Cleavage.
Takamatsu, Kazutaka; Hirano, Koji; Miura, Masahiro; Organic letters 17 (2015) 4066–4069; doi:10.1021/acs.orglett.5b01986

data_1555196
_publ_section_title
;
 Copper-Catalyzed Formal [4 + 1] Cycloaddition of Benzamides and
 Isonitriles via Directed C-H Cleavage.
;
_journal_issue                   16
_journal_name_full               'Organic letters'
_journal_page_first              4066
_journal_page_last               4069
_journal_paper_doi               10.1021/acs.orglett.5b01986
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C21 H19 N3 O'
_chemical_formula_sum            'C21 H19 N3 O'
_chemical_formula_weight         329.40
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            8
_cell_length_a                   12.7097(9)
_cell_length_b                   15.6515(13)
_cell_length_c                   17.3613(14)
_cell_measurement_reflns_used    8369
_cell_measurement_temperature    173
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      3.10
_cell_volume                     3453.6(5)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r15'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r15'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 6.827
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku XtaLAB mini'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0332
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            34679
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.967
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1392.00
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.170
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3951
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0446
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0534P)^2^+0.8928P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1156
_reflns_number_gt                3569
_reflns_number_total             3951
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ol5b01986_si_003.cif
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