Versatile Strategy To Access Fully Functionalized Benzodifurans: Redox-Active Chromophores for the Construction of Extended π-Conjugated Materials
Chenyi Yi; Carmen Blum; Mario Lehmann; Stephan Keller; Shi-Xia Liu; Gabriela Frei; Antonia Neels; Jürg Hauser; Stefan Schürch; Silvio Decurtins; Journal of Organic Chemistry 75 (2010) 3350–3357; doi:10.1021/jo100323s

data_4025424
_publ_section_title
;
 Versatile Strategy To Access Fully Functionalized Benzodifurans:
 Redox-Active Chromophores for the Construction of Extended \p-Conjugated
 Materials
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3350
_journal_page_last               3357
_journal_paper_doi               10.1021/jo100323s
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C50 H60 N6 O2'
_chemical_formula_sum            'C50 H60 N6 O2'
_chemical_formula_weight         777.04
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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                90.452(11)
_cell_angle_beta                 100.466(11)
_cell_angle_gamma                97.404(12)
_cell_formula_units_Z            2
_cell_length_a                   9.0554(14)
_cell_length_b                   15.049(2)
_cell_length_c                   17.184(2)
_cell_measurement_reflns_used    2622
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      20.02
_cell_measurement_theta_min      1.36
_cell_volume                     2282.4(5)
_computing_cell_refinement       'X-Area V1.35'
_computing_data_collection       'X-Area V1.35 (Stoe & Cie, 2006)'
_computing_data_reduction        'X-RED32 V1.31 (Stoe & Cie, 2006)'
_computing_molecular_graphics    'PLATON  (Spek, 2009)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.954
_diffrn_measurement_device_type  'STOE IPDS-2'
_diffrn_measurement_method       'phi & 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  0.1523
_diffrn_reflns_av_sigmaI/netI    0.3283
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            16642
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.62
_diffrn_reflns_theta_min         1.37
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.131
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             836
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.765
_refine_diff_density_min         -0.630
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.753
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         8202
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      0.760
_refine_ls_R_factor_all          0.3153
_refine_ls_R_factor_gt           0.1050
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1244P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2418
_refine_ls_wR_factor_ref         0.3274
_reflns_number_gt                1628
_reflns_number_total             8202
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo100323s_si_002.cif
_cod_data_source_block           Y460
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' 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 
;
_cod_database_code               4025424