Gold-Catalyzed Stereocontrolled Oxacyclization/[4+2]-Cycloaddition Cascade of Ketone-Allene Substrates
Tse-Min Teng; Rai-Shung Liu; Journal of the American Chemical Society 132 (2010) 9298–9300; doi:10.1021/ja1043837

data_4102663
_publ_section_title
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 Gold-Catalyzed Stereocontrolled Oxacyclization/[4+2]-Cycloaddition
 Cascade of Ketone-Allene Substrates
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_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9298
_journal_page_last               9300
_journal_paper_doi               10.1021/ja1043837
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C18 H22 O4'
_chemical_formula_weight         302.36
_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                 97.5990(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.5889(7)
_cell_length_b                   13.1255(8)
_cell_length_c                   11.0959(6)
_cell_measurement_reflns_used    2262
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2.5
_cell_volume                     1672.98(17)
_computing_cell_refinement       'Bruker Smart'
_computing_data_collection       'Bruker Smart'
_computing_data_reduction        'Bruker Saint'
_computing_molecular_graphics    'Bruker Shelxtl'
_computing_publication_material  'Bruker Shelxtl'
_computing_structure_refinement  'Shelxtl-97 (Sheldrick, 2008)'
_computing_structure_solution    'Shelxtl-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0296
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10577
_diffrn_reflns_theta_full        26.24
_diffrn_reflns_theta_max         26.24
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.6327
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Lump
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.167
_refine_diff_density_min         -0.152
_refine_diff_density_rms         0.033
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         3379
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0749
_refine_ls_R_factor_gt           0.0486
_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^)+(0.0675P)^2^+0.2544P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1234
_refine_ls_wR_factor_ref         0.1428
_reflns_number_gt                2272
_reflns_number_total             3379
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1043837_si_003.cif
_cod_data_source_block           091013
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4102663