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_4102489
_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 H18 N2 O'
_chemical_formula_sum            'C17 H18 N2 O'
_chemical_formula_weight         266.33
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 102.6870(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.7481(2)
_cell_length_b                   17.0985(3)
_cell_length_c                   17.9066(3)
_cell_measurement_reflns_used    9933
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      30.46
_cell_measurement_theta_min      2.38
_cell_volume                     2911.76(9)
_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      103(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0370
_diffrn_reflns_av_sigmaI/netI    0.0390
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            37786
_diffrn_reflns_theta_full        30.54
_diffrn_reflns_theta_max         30.54
_diffrn_reflns_theta_min         1.67
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.9849
_exptl_absorpt_correction_T_min  0.9700
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.289
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     745
_refine_ls_number_reflns         9146
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0528
_refine_ls_R_factor_gt           0.0411
_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^)+(0.0722P)^2^+0.1357P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1035
_refine_ls_wR_factor_ref         0.1178
_reflns_number_gt                7879
_reflns_number_total             9146
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1027327_si_005.cif
_cod_data_source_block           7_chiba32s_0m
_cod_database_code               4102489