Highly enantioselective copper-catalyzed propargylic substitution of propargylic acetates with 1,3-dicarbonyl compounds.
Han, Fu-Zhong; Zhu, Fu-Lin; Wang, Ya-Hui; Zou, Yuan; Hu, Xin-Hu; Chen, Song; Hu, Xiang-Ping; Organic letters 16 (2014) 588–591; doi:10.1021/ol403469m

data_1513399
_publ_section_title
;
 Highly enantioselective copper-catalyzed propargylic substitution of
 propargylic acetates with 1,3-dicarbonyl compounds.
;
_journal_issue                   2
_journal_name_full               'Organic letters'
_journal_page_first              588
_journal_page_last               591
_journal_paper_doi               10.1021/ol403469m
_journal_volume                  16
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H15 Br O2'
_chemical_formula_sum            'C16 H15 Br O2'
_chemical_formula_weight         319.19
_space_group_IT_number           76
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4w'
_symmetry_space_group_name_H-M   'P 41'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.3072(10)
_cell_length_b                   7.3072(10)
_cell_length_c                   25.958(5)
_cell_measurement_reflns_used    4006
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4634
_cell_measurement_theta_min      2.7876
_cell_volume                     1386.0(4)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics
;
 Mercury: visualization and analysis of crystal structures, C. F. Macrae,
 P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
 M. Towler and J. van de Streek, J. Appl. Cryst., 39, 453-457, 2006.
;
_computing_publication_material  'SHELX-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELX-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELX-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_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  0.0347
_diffrn_reflns_av_sigmaI/netI    0.0348
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            7463
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.20
_exptl_absorpt_coefficient_mu    2.961
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5758
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.530
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.402
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.006(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         3107
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0306
_refine_ls_R_factor_gt           0.0295
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0333P)^2^+0.3222P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0706
_reflns_number_gt                3037
_reflns_number_total             3107
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol403469m_si_002.cif
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      P4(1)
_cod_database_code               1513399