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_4129784
_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         'C21 H22 N2 O'
_chemical_formula_sum            'C21 H22 N2 O'
_chemical_formula_weight         318.40
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                80.013(4)
_cell_angle_beta                 80.135(4)
_cell_angle_gamma                83.526(4)
_cell_formula_units_Z            8
_cell_length_a                   12.6341(5)
_cell_length_b                   12.6344(6)
_cell_length_c                   21.0063(9)
_cell_measurement_reflns_used    6296
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      75.75
_cell_measurement_theta_min      3.85
_cell_volume                     3241.5(3)
_computing_cell_refinement
'CrysAlisPro V 1.171.37.31, Agilent Technologies'
_computing_data_collection
'CrysAlisPro V 1.171.37.31, Agilent Technologies'
_computing_data_reduction
'CrysAlisPro V 1.171.37.31, Agilent Technologies'
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_publication_material  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'Shelxl-2013, Sheldrick, G. M.'
_computing_structure_solution
;

SUPERFLIP.  Palatinus, L. and Chapuis, G., J. Appl. Cryst. 40, 786-790.
;
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device_type  'Agilent SuperNova with AtlasS2 CCD'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0302
_diffrn_reflns_av_unetI/netI     0.0327
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.965
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            13095
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.965
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         75.899
_diffrn_reflns_theta_min         3.564
_diffrn_source                   'sealed micro-focus tube'
_exptl_absorpt_coefficient_mu    0.630
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       prisms
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.235
_refine_diff_density_min         -0.226
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     894
_refine_ls_number_reflns         9475
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0443
_refine_ls_R_factor_gt           0.0403
_refine_ls_shift/su_max          0.039
_refine_ls_shift/su_mean         0.008
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0654P)^2^+0.8415P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1165
_refine_ls_wR_factor_ref         0.1215
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8583
_reflns_number_total             9475
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b10466_si_019.cif
_cod_data_source_block           3l
_cod_database_code               4129784
_shelx_estimated_absorpt_t_min   0.928
_shelx_estimated_absorpt_t_max   0.975
_shelxl_version_number           2013-4
_shelx_res_checksum              50157
_shelx_hkl_checksum              83297