Ligand-Effect in Gold(I)-Catalyzed Rautenstrauch Rearrangement: Regio- and Stereoselective Synthesis of Bicyclo[3.2.1]octa-3,6-dienes through Cyclodimerization of 1-Ethynyl-2-propenyl Esters.
Zhao, Jidong; Yang, Shuang; Xie, Xin; Li, Xiangdong; Liu, Yuanhong; The Journal of organic chemistry 83 (2018) 1287–1297; doi:10.1021/acs.joc.7b02816

data_4033381
_publ_section_title
;
 Ligand-Effect in Gold(I)-Catalyzed Rautenstrauch Rearrangement: Regio-
 and Stereoselective Synthesis of Bicyclo[3.2.1]octa-3,6-dienes through
 Cyclodimerization of 1-Ethynyl-2-propenyl Esters.
;
_journal_issue                   3
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1287
_journal_page_last               1297
_journal_paper_doi               10.1021/acs.joc.7b02816
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C26 H22 Br2 O4'
_chemical_formula_weight         558.25
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 91.600(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.8138(14)
_cell_length_b                   10.2034(10)
_cell_length_c                   17.2024(18)
_cell_measurement_reflns_used    4138
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      45.948
_cell_measurement_theta_min      4.642
_cell_volume                     2423.7(4)
_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-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0345
_diffrn_reflns_av_unetI/netI     0.0340
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            17269
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.999
_diffrn_reflns_theta_min         1.865
_exptl_absorpt_coefficient_mu    3.374
_exptl_absorpt_correction_T_max  0.7345
_exptl_absorpt_correction_T_min  0.4166
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.530
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.719
_refine_diff_density_min         -0.736
_refine_diff_density_rms         0.049
_refine_ls_extinction_coef       0.0005(2)
_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   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         4772
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0798
_refine_ls_R_factor_gt           0.0409
_refine_ls_shift/su_max          0.023
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0342P)^2^+2.2855P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0848
_refine_ls_wR_factor_ref         0.1015
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3105
_reflns_number_total             4772
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b02816_si_004.cif
_cod_data_source_block           mo_dm17392_0m
_cod_depositor_comments
'Adding full bibliography for 4033380--4033384.cif.'
_cod_database_code               4033381
_shelx_estimated_absorpt_t_min   0.552
_shelx_estimated_absorpt_t_max   0.688
_shelxl_version_number           2013-4
_shelx_res_checksum              74861
_shelx_hkl_checksum              58090