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_4129790
_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         'C22 H18 O'
_chemical_formula_sum            'C22 H18 O'
_chemical_formula_weight         298.36
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
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_cell_angle_beta                 100.763(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
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_cell_length_c                   22.635(2)
_cell_measurement_reflns_used    3579
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.2
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_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_publication_material  'XP SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_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      100(2)
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_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku SCX-Mini with Mercury 2+ CCD'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0286
_diffrn_reflns_av_unetI/netI     0.0331
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       32
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_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            16025
_diffrn_reflns_point_group_measured_fraction_full 1.000
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_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.499
_diffrn_reflns_theta_min         1.628
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.911
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Abscor. T. Higashi (2001). The Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_description       needle
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.470
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_exptl_crystal_size_min          0.110
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_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
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_refine_ls_number_reflns         3628
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0503
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0578P)^2^+1.8768P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1032
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_reflns_Friedel_coverage         0.000
_reflns_number_gt                3060
_reflns_number_total             3628
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           shelx
_cod_original_cell_volume        3164.9(5)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4129790
_shelx_estimated_absorpt_t_min   0.966
_shelx_estimated_absorpt_t_max   0.992
_shelxl_version_number           2013-4
_shelx_res_checksum              31178
_shelx_hkl_checksum              43186