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_4117567
_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         'C30 H26 N2'
_chemical_formula_sum            'C30 H26 N2'
_chemical_formula_weight         414.53
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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                97.2560(10)
_cell_angle_beta                 116.1950(10)
_cell_angle_gamma                102.4620(10)
_cell_formula_units_Z            2
_cell_length_a                   10.2686(6)
_cell_length_b                   10.9392(7)
_cell_length_c                   11.3165(6)
_cell_measurement_reflns_used    3496
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      30.82
_cell_measurement_theta_min      2.32
_cell_volume                     1077.56(11)
_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 0.987
_diffrn_measured_fraction_theta_max 0.987
_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  0.0325
_diffrn_reflns_av_sigmaI/netI    0.0508
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16280
_diffrn_reflns_theta_full        31.04
_diffrn_reflns_theta_max         31.04
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9926
_exptl_absorpt_correction_T_min  0.9709
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_description       block
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.349
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         6803
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0747
_refine_ls_R_factor_gt           0.0492
_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^)+(0.0919P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1301
_refine_ls_wR_factor_ref         0.1583
_reflns_number_gt                4968
_reflns_number_total             6803
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2120629_si_002.cif
_cod_data_source_block           2m_chiba182s
_cod_database_code               4117567