Copper-catalyzed intramolecular aryl-bicyclization of diynes with diaryliodonium salts via vinyl cations.
Wang, Guohua; Chen, Chao; Peng, Jing; Chemical communications (Cambridge, England) 52 (2016) 10277–10280; doi:10.1039/c6cc05735g

data_7124931
_publ_section_title
;
 Copper-catalyzed intramolecular aryl-bicyclization of diynes with
 diaryliodonium salts via vinyl cations.
;
_journal_issue                   67
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              10277
_journal_page_last               10280
_journal_paper_doi               10.1039/c6cc05735g
_journal_volume                  52
_journal_year                    2016
_chemical_formula_sum            'C28 H26'
_chemical_formula_weight         362.49
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-04-01 deposited with the CCDC.
2016-07-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.325(4)
_cell_length_b                   11.622(2)
_cell_length_c                   8.5200(17)
_cell_measurement_reflns_used    6825
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4606
_cell_measurement_theta_min      1.7523
_cell_volume                     2012.6(7)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0408
_diffrn_reflns_av_sigmaI/netI    0.0356
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            12625
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8728
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.196
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.519
_exptl_crystal_size_mid          0.168
_exptl_crystal_size_min          0.116
_refine_diff_density_max         0.207
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -10(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         4122
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_gt           0.0547
_refine_ls_shift/su_max          0.058
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0957P)^2^+0.9430P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1565
_refine_ls_wR_factor_ref         0.1625
_reflns_number_gt                3962
_reflns_number_total             4122
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc05735g2.cif
_cod_data_source_block           b
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               7124931
_refine_ls_r_factor_ref          0.0575