Synthesis of Dibenzo[h,rst]pentaphenes and Dibenzo[fg,qr]pentacenes by the Chemoselective C–O Arylation of Dimethoxyanthraquinones
Suzuki, Yusuke; Yamada, Kohei; Watanabe, Kentaro; Kochi, Takuya; Ie, Yutaka; Aso, Yoshio; Kakiuchi, Fumitoshi; Organic Letters  (2017) –; doi:10.1021/acs.orglett.7b01666

data_1546531
_publ_section_title
;
 Synthesis of Dibenzo[h,rst]pentaphenes and Dibenzo[fg,qr]pentacenes by
 the Chemoselective C--O Arylation of Dimethoxyanthraquinones
;
_journal_name_full               'Organic Letters'
_journal_paper_doi               10.1021/acs.orglett.7b01666
_journal_year                    2017
_chemical_formula_sum            'C40 H40'
_chemical_formula_weight         520.72
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                108.948(6)
_cell_angle_beta                 100.966(7)
_cell_angle_gamma                91.599(7)
_cell_formula_units_Z            2
_cell_length_a                   5.4448(19)
_cell_length_b                   15.148(5)
_cell_length_c                   18.847(6)
_cell_measurement_reflns_used    2895
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      3.13
_cell_volume                     1436.6(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1020
_diffrn_reflns_av_sigmaI/netI    0.1322
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11067
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.9933
_exptl_absorpt_correction_T_min  0.9670
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Higashi, T. (1995). Program for Absorption Correction.
Rigaku Corporation, Tokyo, Japan
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.204
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.749
_refine_diff_density_min         -0.337
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.960
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     363
_refine_ls_number_reflns         5003
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.960
_refine_ls_R_factor_all          0.2020
_refine_ls_R_factor_gt           0.0917
_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^)+(0.1674P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2307
_refine_ls_wR_factor_ref         0.3212
_reflns_number_gt                1976
_reflns_number_total             5003
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol7b01666_si_002.cif
_cod_data_source_block           2b
_cod_depositor_comments
;
The following automatic conversions were performed:
data name '_atom_site_symetry_multiplicity' replaced with
'_atom_site_symmetry_multiplicity' as specified in the replacement
file
'/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/lists/replacement-tags.lst'.

Automatic conversion script
Id: cif_correct_tags 4968 2017-02-21 14:55:21Z antanas 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1546531