Gold-catalyzed reactions of propargylic esters with vinylazides for the synthesis of Z- or E-configured buta-1,3-dien-2-yl esters
Sachin Bhausahe Wagh; Rai-Shung Liu; Chem.Commun. 51 (2015) 15462–; doi:10.1039/C5cc05945C

data_7117915
_publ_section_title
;
 Gold-catalyzed reactions of propargylic esters with vinylazides for the
 synthesis of Z- or E-configured buta-1,3-dien-2-yl esters
;
_journal_name_full               Chem.Commun.
_journal_page_first              15462
_journal_paper_doi               10.1039/C5cc05945C
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C18 H16 O3'
_chemical_formula_weight         280.31
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2015-07-10 deposited with the CCDC.
2015-09-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.2320(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.9279(6)
_cell_length_b                   7.9230(3)
_cell_length_c                   14.2519(6)
_cell_measurement_reflns_used    4573
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.3866
_cell_measurement_theta_min      2.8883
_cell_volume                     1444.75(11)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0249
_diffrn_reflns_av_unetI/netI     0.0251
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10840
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.387
_diffrn_reflns_theta_min         1.592
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9485
_exptl_absorpt_correction_T_min  0.8807
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Lump
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.431
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.040
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2947
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0458
_refine_ls_R_factor_gt           0.0375
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0373P)^2^+0.7344P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0891
_refine_ls_wR_factor_ref         0.0948
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                2500
_reflns_number_total             2947
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc05945c2.cif
_cod_data_source_block           mo_150443LT_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3866 2015-08-17 15:13:47Z robertas 
;
_cod_database_code               7117915
_shelxl_version_number           2014/6
_shelx_res_checksum              752