Copper-Catalyzed Aerobic [3+2]-Annulation of N-Alkenyl Amidines
Yi-Feng Wang; Xu Zhu; Shunsuke Chiba; Journal of the American Chemical Society 134 (2012) 3679–3682; doi:10.1021/ja2120629

data_4117569
_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 Aerobic [3+2]-Annulation of N-Alkenyl Amidines
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3679
_journal_page_last               3682
_journal_paper_doi               10.1021/ja2120629
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C27 H26 N2'
_chemical_formula_sum            'C27 H26 N2'
_chemical_formula_weight         378.50
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 101.1190(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.8508(3)
_cell_length_b                   19.2961(6)
_cell_length_c                   10.3465(3)
_cell_measurement_reflns_used    5286
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.11
_cell_volume                     1929.77(10)
_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 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0303
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12941
_diffrn_reflns_theta_full        28.35
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.9761
_exptl_absorpt_correction_T_min  0.9703
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_description       block
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.363
_refine_diff_density_min         -0.282
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         4755
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0540
_refine_ls_R_factor_gt           0.0424
_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^)+(0.0712P)^2^+0.4449P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1126
_refine_ls_wR_factor_ref         0.1258
_reflns_number_gt                3969
_reflns_number_total             4755
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2120629_si_004.cif
_cod_data_source_block           2q_chiba184s
_cod_database_code               4117569