Gold-catalyzed (4 + 2)-annulations between α-alkyl alkenylgold carbenes and benzisoxazoles with reactive alkyl groups.
Mokar, Bhanudas Dattatray; Jadhav, Prakash D.; Pandit, Y. B.; Liu, Rai-Shung; Chemical science 9 (2018) 4488–4492; doi:10.1039/c8sc00986d

data_1549279
_publ_section_title
;
 Gold-catalyzed (4 + 2)-annulations between \a-alkyl alkenylgold carbenes
 and benzisoxazoles with reactive alkyl groups.
;
_journal_issue                   19
_journal_name_full               'Chemical science'
_journal_page_first              4488
_journal_page_last               4492
_journal_paper_doi               10.1039/c8sc00986d
_journal_volume                  9
_journal_year                    2018
_chemical_formula_moiety         'C18 H20 Br N O'
_chemical_formula_sum            'C18 H20 Br N O'
_chemical_formula_weight         346.26
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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
_audit_update_record
;
2018-01-24 deposited with the CCDC.
2018-04-23 downloaded from the CCDC.
;
_cell_angle_alpha                116.079(3)
_cell_angle_beta                 109.218(4)
_cell_angle_gamma                91.505(4)
_cell_formula_units_Z            2
_cell_length_a                   7.6388(10)
_cell_length_b                   11.2206(13)
_cell_length_c                   11.3511(13)
_cell_measurement_reflns_used    9919
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.06
_cell_measurement_theta_min      3.267
_cell_volume                     808.23(17)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'D8 Venture'
_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  0.0345
_diffrn_reflns_av_sigmaI/netI    0.0173
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            26621
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         2.87
_exptl_absorpt_coefficient_mu    2.542
_exptl_absorpt_correction_T_max  0.7017
_exptl_absorpt_correction_T_min  0.4078
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.423
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.228
_refine_diff_density_min         -0.318
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         2830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0258
_refine_ls_R_factor_gt           0.0237
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0304P)^2^+0.3720P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0630
_refine_ls_wR_factor_ref         0.0643
_reflns_number_gt                2682
_reflns_number_total             2830
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8sc00986d2.cif
_cod_data_source_block           d19332
_cod_depositor_comments
'Adding full bibliography for 1549278--1549281.cif.'
_cod_database_code               1549279