Silver- and Gold-Catalyzed Intramolecular Rearrangement of Propargylic Alcohols Tethered with Methylenecyclopropanes: Stereoselective Synthesis of Allenylcyclobutanols and 1-Vinyl-3-oxabicyclo[3.2.1]octan-8-one Derivatives
Liang-Feng Yao; Yin Wei; Min Shi; Journal of Organic Chemistry 74 (2009) 9466–9469; doi:10.1021/jo902261r

data_4025118
_publ_section_title
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Silver- and Gold-Catalyzed Intramolecular Rearrangement of Propargylic
Alcohols Tethered with Methylenecyclopropanes: Stereoselective Synthesis of
Allenylcyclobutanols and 1-Vinyl-3-oxabicyclo[3.2.1]octan-8-one Derivatives
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_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9466
_journal_page_last               9469
_journal_paper_doi               10.1021/jo902261r
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C27 H24 O2'
_chemical_formula_weight         380.46
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2bc 2ac'
_symmetry_space_group_name_H-M   'P c a b'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.3164(12)
_cell_length_b                   17.6548(19)
_cell_length_c                   20.537(2)
_cell_measurement_reflns_used    2367
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      47.675
_cell_measurement_theta_min      4.587
_cell_volume                     4103.0(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0681
_diffrn_reflns_av_sigmaI/netI    0.0541
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            20449
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.82477
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1616
_exptl_crystal_size_max          0.412
_exptl_crystal_size_mid          0.201
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.299
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.061
_refine_ls_extinction_coef       0.0058(11)
_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   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         3821
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.1231
_refine_ls_R_factor_gt           0.0777
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1084P)^2^+0.4630P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1888
_refine_ls_wR_factor_ref         0.2259
_reflns_number_gt                2253
_reflns_number_total             3821
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo902261r_si_001.cif
_cod_data_source_block           cd28455
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      Pcab
_cod_database_code               4025118