Twisted Polycyclic Arenes by Intramolecular Scholl Reactions of C3-Symmetric Precursors
Anirban Pradhan; Pierre Dechambenoit; Harald Bock; Fabien Durola; Journal of Organic Chemistry 78 (2013) 2266–2274; doi:10.1021/jo3027752

data_4028061
_publ_contact_author
;
        Fabien Durola
        Centre de Recherche Paul Pascal
    115 avenue du Dr Schweitzer
        33600 PESSAC
    FRANCE
;
_publ_contact_author_email       durola@crpp-bordeaux.cnrs.fr
_publ_contact_author_fax         '(33)5 56 84 56 00'
_publ_contact_author_phone       '(33)5 56 84 56 27'
_publ_section_title
;
 Twisted Polycyclic Arenes by Intramolecular Scholl Reactions of
 C3-Symmetric Precursors
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2266
_journal_page_last               2274
_journal_paper_doi               10.1021/jo3027752
_journal_volume                  78
_journal_year                    2013
_chemical_formula_moiety         'C38 H32'
_chemical_formula_sum            'C38 H32'
_chemical_formula_weight         488.64
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 95.087(17)
_cell_angle_gamma                90.00
_cell_formula_units_Z            24
_cell_length_a                   55.846(12)
_cell_length_b                   6.9266(14)
_cell_length_c                   44.338(10)
_cell_measurement_reflns_used    9980
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.26
_cell_measurement_theta_min      2.36
_cell_volume                     17083(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  'WINGX (Farrugia)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    SIR-2004
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_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  0.0808
_diffrn_reflns_av_sigmaI/netI    0.0808
_diffrn_reflns_limit_h_max       52
_diffrn_reflns_limit_h_min       -52
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            85695
_diffrn_reflns_theta_full        19.97
_diffrn_reflns_theta_max         19.97
_diffrn_reflns_theta_min         1.13
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  0.9974
_exptl_absorpt_correction_T_min  0.9835
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.140
_exptl_crystal_description       needle
_exptl_crystal_F_000             6240
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.681
_refine_diff_density_min         -0.581
_refine_diff_density_rms         0.164
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.708
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     2008
_refine_ls_number_reflns         15455
_refine_ls_number_restraints     171
_refine_ls_restrained_S_all      1.735
_refine_ls_R_factor_all          0.2051
_refine_ls_R_factor_gt           0.1536
_refine_ls_shift/su_max          0.069
_refine_ls_shift/su_mean         0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.4004
_refine_ls_wR_factor_ref         0.4437
_reflns_number_gt                9903
_reflns_number_total             15455
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo3027752_si_003.cif
_cod_data_source_block           27
_cod_database_code               4028061