Highly selective nickel-catalyzed three-component coupling of alkynes with enones and alkenyl boronic acids: a novel route to substituted 1,3-dienes
Yang, Chun-Ming; Jeganmohan, Masilamani; Parthasarathy, Kanniyappan; Cheng, Chien-Hong; Organic Letters 12 (2010) 3610–3613; doi:10.1021/ol101319f

data_1516315
_publ_section_title
;
 Highly selective nickel-catalyzed three-component coupling of alkynes
 with enones and alkenyl boronic acids: a novel route to substituted
 1,3-dienes
;
_journal_coden_ASTM              ORLEF7
_journal_issue                   16
_journal_name_full               'Organic Letters'
_journal_page_first              3610
_journal_page_last               3613
_journal_paper_doi               10.1021/ol101319f
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C23 H24 O'
_chemical_formula_weight         316.42
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 96.6320(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   32.0014(17)
_cell_length_b                   10.3331(5)
_cell_length_c                   22.6217(12)
_cell_measurement_reflns_used    1756
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2.5
_cell_volume                     7430.3(7)
_computing_cell_refinement       'Bruker Smart'
_computing_data_collection       'Bruker Smart'
_computing_data_reduction        'Bruker Saint'
_computing_molecular_graphics    'Bruker Shelxtl'
_computing_publication_material  'Bruker Shelxtl'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0659
_diffrn_reflns_av_sigmaI/netI    0.0716
_diffrn_reflns_limit_h_max       39
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            23493
_diffrn_reflns_theta_full        26.38
_diffrn_reflns_theta_max         26.38
_diffrn_reflns_theta_min         1.28
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_T_max  0.95039
_exptl_absorpt_correction_T_min  0.87645
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.131
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Tabullar
_exptl_crystal_F_000             2720
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.159
_refine_diff_density_min         -0.136
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.937
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     435
_refine_ls_number_reflns         7558
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.937
_refine_ls_R_factor_all          0.1525
_refine_ls_R_factor_gt           0.0531
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0640P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1150
_refine_ls_wR_factor_ref         0.1540
_reflns_number_gt                3230
_reflns_number_total             7558
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             1503448
_cod_data_source_file            ol101319f_si_001.cif
_cod_data_source_block           08ja04m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

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 3008 2015-01-20 13:52:24Z robertas 

 Updated bibliographic information.

 Antanas Vaitkus,
 2019-09-20

 Marked entry as a duplicate of entry 1503448.

 Antanas Vaitkus,
 2019-09-20
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1516315