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_4101892
_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            'C13 H22 O3'
_chemical_formula_weight         226.30
_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                92.641(12)
_cell_angle_beta                 102.774(11)
_cell_angle_gamma                90.617(11)
_cell_formula_units_Z            4
_cell_length_a                   9.4926(19)
_cell_length_b                   11.463(3)
_cell_length_c                   12.601(3)
_cell_measurement_reflns_used    681
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      17.90
_cell_measurement_theta_min      2.86
_cell_volume                     1335.5(5)
_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 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0589
_diffrn_reflns_av_sigmaI/netI    0.1499
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7192
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9853
_exptl_absorpt_correction_T_min  0.9785
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.125
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.267
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.929
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         4921
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.929
_refine_ls_R_factor_all          0.2156
_refine_ls_R_factor_gt           0.0714
_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^)+(0.0688P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1407
_refine_ls_wR_factor_ref         0.2018
_reflns_number_gt                1729
_reflns_number_total             4921
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja910346m_si_004.cif
_cod_data_source_block           p-1
_cod_original_cell_volume        1335.6(5)
_cod_database_code               4101892