Synthesis of Oxazocenones via Gold(I)-Catalyzed 8-Endo-Dig Hydroalkoxylation of Alkynamides.
Scully, Stephen S.; Zheng, Shao-Liang; Wagner, Bridget K.; Schreiber, Stuart L.; Organic letters 17 (2015) 418–421; doi:10.1021/ol503273v

data_1518570
_publ_section_title
;
 Synthesis of Oxazocenones via Gold(I)-Catalyzed 8-Endo-Dig
 Hydroalkoxylation of Alkynamides.
;
_journal_issue                   3
_journal_name_full               'Organic letters'
_journal_page_first              418
_journal_page_last               421
_journal_paper_doi               10.1021/ol503273v
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C13 H15 N O2'
_chemical_formula_weight         217.26
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.0807(2)
_cell_length_b                   9.5935(2)
_cell_length_c                   12.8440(2)
_cell_measurement_reflns_used    9875
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      66.6
_cell_measurement_theta_min      3.44
_cell_volume                     1118.91(4)
_computing_cell_refinement       'SAINT 8.30C (Bruker-AXS, 2014)'
_computing_data_collection       'APEX2 v2014.3.0 (Bruker-AXS, 2014)'
_computing_data_reduction        'SAINT 8.30C (Bruker-AXS, 2014)'
_computing_molecular_graphics    'Bruker SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'Bruker SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-2014 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
;
Bruker D8 goniometer with CCD area detector  
;
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'I\mS microfocus tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0276
_diffrn_reflns_av_unetI/netI     0.0116
_diffrn_reflns_Laue_measured_fraction_full 0.981
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            16864
_diffrn_reflns_point_group_measured_fraction_full 0.977
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         66.621
_diffrn_reflns_theta_min         5.756
_exptl_absorpt_coefficient_mu    0.701
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.6897
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_description       block
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.152
_refine_diff_density_min         -0.130
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details
;
 Flack x determined using 809 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.03(5)
_refine_ls_extinction_coef       0.0157(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   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         1973
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0242
_refine_ls_R_factor_gt           0.0241
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0346P)^2^+0.2189P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0629
_refine_ls_wR_factor_ref         0.0630
_reflns_Friedel_coverage         0.699
_reflns_Friedel_fraction_full    0.972
_reflns_Friedel_fraction_max     0.994
_reflns_number_gt                1966
_reflns_number_total             1973
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol503273v_si_006.cif
_cod_data_source_block           SSS-2-23B
_cod_depositor_comments
'Adding full bibliography for 1518568--1518572.cif.'
_cod_database_code               1518570
_shelx_estimated_absorpt_t_min   0.896
_shelx_estimated_absorpt_t_max   0.933
_shelxl_version_number           2014-3
_shelx_res_checksum              11829
_shelx_hkl_checksum              22172