Convenient synthesis of tetra- and hexaarylanthracenes by means of RuH2(CO)(PPh3)3-catalyzed C-H arylation of anthraquinone with arylboronates.
Kitazawa, Kentaroh; Kochi, Takuya; Sato, Mitsuo; Kakiuchi, Fumitoshi; Organic letters 11 (2009) 1951–1954; doi:10.1021/ol900393x

data_1503862
_publ_section_title
;
 Convenient synthesis of tetra- and hexaarylanthracenes by means of
 RuH2(CO)(PPh3)3-catalyzed C-H arylation of anthraquinone with
 arylboronates.
;
_journal_issue                   9
_journal_name_full               'Organic letters'
_journal_page_first              1951
_journal_page_last               1954
_journal_paper_doi               10.1021/ol900393x
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C52 H38'
_chemical_formula_weight         662.82
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 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                 90.6671(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.800(6)
_cell_length_b                   14.463(6)
_cell_length_c                   16.996(7)
_cell_measurement_reflns_used    11730
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.0631
_cell_volume                     3638(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0249
_diffrn_reflns_av_sigmaI/netI    0.0220
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            22828
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.9865
_exptl_absorpt_correction_T_min  0.9601
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             1400
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.589
_refine_diff_density_min         -0.452
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     469
_refine_ls_number_reflns         6219
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0481
_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^)+(0.0617P)^2^+2.1819P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1193
_refine_ls_wR_factor_ref         0.1226
_reflns_number_gt                5799
_reflns_number_total             6219
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol900393x_si_001.cif
_cod_data_source_block           9b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P21/a
_cod_database_code               1503862