Pt-Catalyzed Tandem 1,2-Acyloxy Migration/Intramolecular [3 + 2] Cycloaddition of Enynyl Esters
Zheng, Huaiji; Zheng, Jiyue; Yu, Binxun; Chen, Qiang; Wang, Xiaolei; He, Yongping; Yang, Zhen; She, Xuegong; Journal of the American Chemical Society 132 (2010) 1788–1789; doi:10.1021/ja910346m

data_4101891
_publ_section_title
;
 Pt-Catalyzed Tandem 1,2-Acyloxy Migration/Intramolecular [3 + 2]
 Cycloaddition of Enynyl Esters
;
_journal_coden_ASTM              JACSAT
_journal_issue                   6
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1788
_journal_page_last               1789
_journal_paper_doi               10.1021/ja910346m
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C19 H24 O4'
_chemical_formula_weight         316.38
_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                91.863(2)
_cell_angle_beta                 101.511(2)
_cell_angle_gamma                100.929(2)
_cell_formula_units_Z            2
_cell_length_a                   8.2627(4)
_cell_length_b                   9.2103(4)
_cell_length_c                   11.3983(4)
_cell_measurement_reflns_used    1499
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.46
_cell_measurement_theta_min      2.80
_cell_volume                     832.34(6)
_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      296(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  0.0141
_diffrn_reflns_av_sigmaI/netI    0.0274
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4694
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9768
_exptl_absorpt_correction_T_min  0.9659
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             340
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.167
_refine_diff_density_min         -0.131
_refine_diff_density_rms         0.029
_refine_ls_extinction_coef       0.050(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         3226
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0480P)^2^+0.1729P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1071
_refine_ls_wR_factor_ref         0.1239
_reflns_number_gt                2235
_reflns_number_total             3226
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja910346m_si_003.cif
_cod_data_source_block           p-1
_cod_database_code               4101891