An Aza Cyclopropylcarbinyl-Homoallyl Radical Rearrangement-Radical Cyclization Cascade. Synthesis of Dibenzoimidazoazepine and Oxazepine Derivatives
Alexander F. Khlebnikov; Mikhail S. Novikov; Petr P. Petrovskii; Helen Stoeckli-Evans; Journal of Organic Chemistry 76 (2011) 5384–5391; doi:10.1021/jo200788k

data_4026435
_publ_section_title
;
 An Aza Cyclopropylcarbinyl-Homoallyl Radical Rearrangement-Radical
 Cyclization Cascade. Synthesis of Dibenzoimidazoazepine and Oxazepine
 Derivatives
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5384
_journal_page_last               5391
_journal_paper_doi               10.1021/jo200788k
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C29 H22 N2, 0.9(C H4 O), 0.25(H2 O)'
_chemical_formula_sum            'C29.9 H26.1 N2 O1.15'
_chemical_formula_weight         431.83
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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                91.748(8)
_cell_angle_beta                 97.676(8)
_cell_angle_gamma                107.654(8)
_cell_formula_units_Z            2
_cell_length_a                   9.0496(9)
_cell_length_b                   10.2588(11)
_cell_length_c                   13.4558(14)
_cell_measurement_reflns_used    4250
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.83
_cell_measurement_theta_min      1.53
_cell_volume                     1176.4(2)
_computing_cell_refinement       'X-Area V1.52'
_computing_data_collection       'X-Area V1.52 (Stoe & Cie, 2009)'
_computing_data_reduction        'X-RED32 V1.48 (Stoe & Cie, 2009)'
_computing_molecular_graphics
'PLATON (Spek, 2009) and Mercury (Macrae et al., 2006)'
_computing_publication_material
'SHELXL-97, PLATON and Publcif (Westrip, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       '\f + \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  0.1086
_diffrn_reflns_av_sigmaI/netI    0.1359
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10922
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.53
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.704
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'MULscanABS in PLATON (Spek, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_description       plate
_exptl_crystal_F_000             457
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.13
_platon_squeeze_details
;
Total Potential Solvent Area Vol     60.5 Ang^3
               per Unit Cell Vol   1176.4 Ang^3 [ 5.1%]

N: Number of moved primary input atoms: ..................................   59
N: Total Potential Solvent Accessible Void Vol ..................    60.5 Ang^3
N: Electron Count / Cell =      5 - To be included in D(calc), F000 & Mol.Wght.

Equated to 0.25 water molecule per molecule of AK9.
;
_refine_diff_density_max         0.340
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.958
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         4142
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.958
_refine_ls_R_factor_all          0.1565
_refine_ls_R_factor_gt           0.0780
_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^)+(0.0770P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1577
_refine_ls_wR_factor_ref         0.1861
_reflns_number_gt                2068
_reflns_number_total             4142
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo200788k_si_001_5.cif
_cod_data_source_block           6c
_cod_original_formula_sum        'C29.90 H26.10 N2 O1.15'
_cod_database_code               4026435