Gold-catalyzed cyclizations of (o-alkynyl)phenoxyacrylates with external nucleophiles: regio- and stereoselective synthesis of functionalized benzo[b]oxepines.
Liu, Jun; Liu, Yuanhong; Organic letters 14 (2012) 4742–4745; doi:10.1021/ol302252h

data_1508660
_publ_section_title
;
 Gold-catalyzed cyclizations of (o-alkynyl)phenoxyacrylates with external
 nucleophiles: regio- and stereoselective synthesis of functionalized
 benzo[b]oxepines.
;
_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              4742
_journal_page_last               4745
_journal_paper_doi               10.1021/ol302252h
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C23 H23 F3 O4'
_chemical_formula_weight         420.41
_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                75.930(2)
_cell_angle_beta                 72.355(2)
_cell_angle_gamma                72.025(3)
_cell_formula_units_Z            2
_cell_length_a                   8.6594(12)
_cell_length_b                   10.1961(15)
_cell_length_c                   13.4694(19)
_cell_measurement_reflns_used    2039
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      48.168
_cell_measurement_theta_min      5.104
_cell_volume                     1063.2(3)
_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 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0234
_diffrn_reflns_av_sigmaI/netI    0.0399
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5816
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.11605
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.358
_exptl_crystal_size_mid          0.307
_exptl_crystal_size_min          0.156
_refine_diff_density_max         0.146
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         4103
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0652
_refine_ls_R_factor_gt           0.0496
_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^)+(0.0775P)^2^+0.0815P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1336
_refine_ls_wR_factor_ref         0.1445
_reflns_number_gt                3100
_reflns_number_total             4103
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol302252h_si_002.cif
_cod_data_source_block           cd211385
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1508660