Cycloaddition to an anthracene-derived macrocyclic receptor with supramolecular control of regioselectivity.
Gassensmith, Jeremiah J; Baumes, Jeffrey M; Eberhard, Jens; Smith, Bradley D; Chemical communications (Cambridge, England) 34 (2009) 2517–2519; doi:10.1039/b901814j

data_7104389
_publ_section_title
;
 Cycloaddition to an anthracene-derived macrocyclic receptor with
 supramolecular control of regioselectivity.
;
_journal_issue                   18
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              2517
_journal_page_last               2519
_journal_paper_doi               10.1039/b901814j
_journal_volume                  34
_journal_year                    2009
_chemical_formula_moiety         'C46 H36 N6 O8, O H2, 4(C H Cl3)'
_chemical_formula_sum            'C50 H42 Cl12 N6 O9'
_chemical_formula_weight         1296.30
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 102.159(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.4237(13)
_cell_length_b                   18.9917(14)
_cell_length_c                   17.0898(12)
_cell_measurement_reflns_used    78882
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.030
_cell_measurement_theta_min      1.20
_cell_volume                     5528.2(7)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004; Sheldrick, 2003)'
_computing_molecular_graphics    'XP (Sheldrick, 1998)'
_computing_publication_material  'enCIFer (CCDC, 2004)'
_computing_structure_refinement  'XL (Sheldrick, 2001)'
_computing_structure_solution    'XS (Sheldrick, 2001)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker d8-APEX II CCD diffractometer'
_diffrn_measurement_method       '\f and \w 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  0.1208
_diffrn_reflns_av_sigmaI/netI    0.0524
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            78882
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.20
_diffrn_source_type              'Siemens KFFMO2K-90'
_exptl_absorpt_coefficient_mu    0.662
_exptl_absorpt_correction_T_max  0.9677
_exptl_absorpt_correction_T_min  0.7749
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Blessing, R. H. (1995) Acta Cryst. A51, 33-38.

Sheldrick, G. M. (2004) SADABS University of G\"ottingen, Germany.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.557
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2640
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.05
_platon_squeeze_details
;
;
_refine_diff_density_max         0.358
_refine_diff_density_min         -0.339
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     574
_refine_ls_number_reflns         9771
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0797
_refine_ls_R_factor_gt           0.0649
_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^)+(0.1179P)^2^+0.7828P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1833
_refine_ls_wR_factor_ref         0.1908
_reflns_number_gt                7318
_reflns_number_total             9771
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b901814j.txt
_cod_data_source_block           jjg_sq
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7104389