Bifunctional Ligand-Assisted Catalytic Ketone α-Alkenylation with Internal Alkynes: Controlled Synthesis of Enones and Mechanistic Studies.
Mo, Fanyang; Lim, Hee Nam; Dong, Guangbin; Journal of the American Chemical Society 137 (2015) 15518–15527; doi:10.1021/jacs.5b10466

data_4129782
_publ_section_title
;
 Bifunctional Ligand-Assisted Catalytic Ketone \a-Alkenylation with
 Internal Alkynes: Controlled Synthesis of Enones and Mechanistic Studies.
;
_journal_issue                   49
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15518
_journal_page_last               15527
_journal_paper_doi               10.1021/jacs.5b10466
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'C26 H24 N4 O4'
_chemical_formula_sum            'C26 H24 N4 O4'
_chemical_formula_weight         456.49
_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'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 100.065(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.426(2)
_cell_length_b                   10.852(2)
_cell_length_c                   15.863(3)
_cell_measurement_reflns_used    24079
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     2275.7(7)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_solution
;

SIR97 - Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C., 
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
;
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku SCX-Mini with Mercury 2+ CCD'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1070
_diffrn_reflns_av_unetI/netI     0.0849
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            23385
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.483
_diffrn_reflns_theta_min         3.082
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.710
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Abscor. T. Higashi (2001). The Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.332
_exptl_crystal_description       prisms
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.228
_refine_diff_density_min         -0.306
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.108
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         5205
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0891
_refine_ls_R_factor_gt           0.0604
_refine_ls_shift/su_max          0.016
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0497P)^2^+0.5027P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1357
_refine_ls_wR_factor_ref         0.1504
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3736
_reflns_number_total             5205
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b10466_si_021.cif
_cod_data_source_block           shelx
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4129782
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.975
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              26078
_shelx_hkl_checksum              55778