Copper-Catalyzed Synthesis of Azaspirocyclohexadienones from α-Azido-N-arylamides under an Oxygen Atmosphere
Shunsuke Chiba; Line Zhang; Jian-Yuan Lee; Journal of the American Chemical Society 132 (2010) 7266–7267; doi:10.1021/ja1027327

data_4102488
_publ_contact_author
;
Dr Shunsuke Chiba
Division of Chemistry and Biological Chemistry
School of Physical and Mathematical Sciences
Nanyang Technological University
21 Nanyang Link
Singapore 637371
Singapore
;
_publ_contact_author_email       shunsuke@ntu.edu.sg
_publ_contact_author_fax         '+65 6791 1961'
_publ_contact_author_phone       '+65 6513 8013'
_publ_section_title
;
 Copper-Catalyzed Synthesis of Azaspirocyclohexadienones from
 \a-Azido-N-arylamides under an Oxygen Atmosphere
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7266
_journal_page_last               7267
_journal_paper_doi               10.1021/ja1027327
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C17 H16 N2 O2'
_chemical_formula_sum            'C17 H16 N2 O2'
_chemical_formula_weight         280.32
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.4572(6)
_cell_length_b                   8.1856(3)
_cell_length_c                   24.7724(12)
_cell_measurement_reflns_used    2652
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.07
_cell_measurement_theta_min      2.82
_cell_volume                     2931.6(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(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_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0693
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            26392
_diffrn_reflns_theta_full        30.67
_diffrn_reflns_theta_max         30.67
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9833
_exptl_absorpt_correction_T_min  0.9702
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.352
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         4508
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.1099
_refine_ls_R_factor_gt           0.0579
_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^)+(0.0894P)^2^+0.3503P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1458
_refine_ls_wR_factor_ref         0.1852
_reflns_number_gt                2698
_reflns_number_total             4508
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1027327_si_004.cif
_cod_data_source_block           4o_chiba29
_cod_database_code               4102488