Gold(I) catalyzed tandem cyclization of propargylic esters to 4-acyloxy-1,2-dihydroquinolines
Yuan-Ming Sun; Peng Gu; Yu-Ning Gao; Qin Xu; Min Shi; Chem.Commun. 52 (2016) 6942–; doi:

data_7119140
_publ_section_title
;
 Gold(I) catalyzed tandem cyclization of propargylic esters to
 4-acyloxy-1,2-dihydroquinolines
;
_journal_name_full               Chem.Commun.
_journal_page_first              6942
_journal_volume                  52
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_sum            'C20 H23 N O3'
_chemical_formula_weight         325.39
_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-2013
_audit_update_record
;
2015-11-06 deposited with the CCDC.
2016-04-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.6053(10)
_cell_length_b                   11.6403(14)
_cell_length_c                   17.468(2)
_cell_measurement_reflns_used    4360
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      54.145
_cell_measurement_theta_min      5.277
_cell_volume                     1749.7(4)
_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-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Bruker SHELXTL'
_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_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0297
_diffrn_reflns_av_unetI/netI     0.0299
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            10517
_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         25.993
_diffrn_reflns_theta_min         2.102
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6763
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.160
_refine_diff_density_min         -0.179
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details
; 
 Flack x determined using 1282 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   0.3(5)
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         3444
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0418
_refine_ls_R_factor_gt           0.0385
_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^)+(0.0701P)^2^+0.0824P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1014
_refine_ls_wR_factor_ref         0.1043
_reflns_Friedel_coverage         0.738
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                3189
_reflns_number_total             3444
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc03132c2.cif
_cod_data_source_block           cd15218
_cod_database_code               7119140
_shelx_estimated_absorpt_t_min   0.982
_shelx_estimated_absorpt_t_max   0.991
_shelxl_version_number           2013-4
_shelx_res_checksum              95164
_shelx_hkl_checksum              98536