Synthesis of Bridged Molecular Gyroscopes with Closed Topologies: Triple One-Pot Macrocyclization
Patrick Commins; Jose E. Nuñez; Miguel A. Garcia-Garibay; Journal of Organic Chemistry 76 (2011) 8355–8363; doi:10.1021/jo201513y

data_4026653
_publ_section_title
;
 Synthesis of Bridged Molecular Gyroscopes with Closed Topologies: Triple
 One-Pot Macrocyclization
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8355
_journal_page_last               8363
_journal_paper_doi               10.1021/jo201513y
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C58 H48 O4'
_chemical_formula_sum            'C58 H48 O4'
_chemical_formula_weight         808.96
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 105.434(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.795(3)
_cell_length_b                   11.112(3)
_cell_length_c                   27.233(6)
_cell_measurement_reflns_used    4998
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.36
_cell_measurement_theta_min      2.33
_cell_volume                     4315.7(17)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0363
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            19078
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.9948
_exptl_absorpt_correction_T_min  0.9648
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs(Bruker)
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_description       prism
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.75
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.379
_refine_diff_density_min         -0.299
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         5229
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0801
_refine_ls_R_factor_gt           0.0504
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0655P)^2^+2.1717P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1224
_refine_ls_wR_factor_ref         0.1356
_reflns_number_gt                3679
_reflns_number_total             5229
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo201513y_si_002.cif
_cod_data_source_block           gg1803sm
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4026653