Gold-Catalyzed Tandem 1,3-Migration/[2 + 2] Cycloaddition of 1,7-Enyne Benzoates to Azabicyclo[4.2.0]oct-5-enes
Weidong Rao; Dewi Susanti; Philip Wai Hong Chan; Journal of the American Chemical Society 133 (2011) 15248–15251; doi:10.1021/ja2052304

data_4106865
_publ_section_title
;
 Gold-Catalyzed Tandem 1,3-Migration/[2 + 2] Cycloaddition of 1,7-Enyne
 Benzoates to Azabicyclo[4.2.0]oct-5-enes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15248
_journal_page_last               15251
_journal_paper_doi               10.1021/ja2052304
_journal_volume                  133
_journal_year                    2011
_chemical_formula_moiety         'C26 H31 N O2 S'
_chemical_formula_sum            'C26 H31 N O2 S'
_chemical_formula_weight         421.58
_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                 112.207(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.2125(11)
_cell_length_b                   10.3075(7)
_cell_length_c                   16.0267(11)
_cell_measurement_reflns_used    9991
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      30.85
_cell_measurement_theta_min      2.45
_cell_volume                     2326.6(3)
_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 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0451
_diffrn_reflns_av_sigmaI/netI    0.0360
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            41243
_diffrn_reflns_theta_full        31.19
_diffrn_reflns_theta_max         31.19
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    0.161
_exptl_absorpt_correction_T_max  0.9534
_exptl_absorpt_correction_T_min  0.9385
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.204
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.446
_refine_diff_density_min         -0.403
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         7385
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0544
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0672P)^2^+0.5835P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1102
_refine_ls_wR_factor_ref         0.1244
_reflns_number_gt                6028
_reflns_number_total             7385
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2052304_si_003.cif
_cod_data_source_block           chan112
_cod_database_code               4106865