Substituted Diazatetracyclo[4.4.0.13,10.15,8]dodecanes as Stable Caged Proton Sponges
Juraj Galeta; Milan Potáček; Journal of Organic Chemistry 77 (2012) 1010–1017; doi:10.1021/jo202235f

data_4026897
_publ_section_title
;
 Substituted Diazatetracyclo[4.4.0.13,10.15,8]dodecanes as Stable Caged
 Proton Sponges
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1010
_journal_page_last               1017
_journal_paper_doi               10.1021/jo202235f
_journal_volume                  77
_journal_year                    2012
_chemical_formula_sum            'C38 H54 N4 O2'
_chemical_formula_weight         598.85
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 90.039(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.9253(7)
_cell_length_b                   20.4021(12)
_cell_length_c                   13.3450(8)
_cell_measurement_reflns_used    3748
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.6316
_cell_measurement_theta_min      2.9880
_cell_volume                     3246.9(3)
_computing_cell_refinement       'CrysAlis RED (Oxford Diffraction Ltd, 2009)'
_computing_data_collection       'CrysAlis CCD (Oxford Diffraction Ltd, 2009)'
_computing_data_reduction        'CrysAlis RED (Oxford Diffraction Ltd, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 8.4353
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Sapphire2, large Be window'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) x-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0335
_diffrn_reflns_av_sigmaI/netI    0.1294
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14308
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.04
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.97332
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlis RED (Oxford Diffraction Ltd, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.154
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.719
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         5712
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.719
_refine_ls_R_factor_all          0.0910
_refine_ls_R_factor_gt           0.0370
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0216P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0554
_refine_ls_wR_factor_ref         0.0595
_reflns_number_gt                2869
_reflns_number_total             5712
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo202235f_si_002.cif
_cod_data_source_block           gj661
_cod_database_code               4026897