UV Promoted Phenanthridine Syntheses from Oxime Carbonate Derived Iminyl Radicals
Roy T. McBurney; Alexandra M. Z. Slawin; Laura A. Smart; Yanping Yu; John C. Walton; Chem. Commun. 47 (2011) 7974–; doi:10.1039/c1cc12720a

data_7106651
_publ_section_title
;
 UV Promoted Phenanthridine Syntheses from Oxime Carbonate Derived Iminyl
 Radicals
;
_journal_name_full               'Chem. Commun.'
_journal_page_first              7974
_journal_paper_doi               10.1039/c1cc12720a
_journal_volume                  47
_journal_year                    2011
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C21 H17 N O4'
_chemical_formula_sum            'C21 H17 N O4'
_chemical_formula_weight         347.36
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5885(19)
_cell_length_b                   13.388(3)
_cell_length_c                   15.162(4)
_cell_measurement_reflns_used    6377
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      28.9
_cell_measurement_theta_min      2.0
_cell_volume                     1743.4(7)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2004)'
_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      93(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0433
_diffrn_reflns_av_sigmaI/netI    0.0550
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11104
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.33
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.851
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         3181
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0373
_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^)+(0.0385P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0751
_refine_ls_wR_factor_ref         0.0795
_reflns_number_gt                2846
_reflns_number_total             3181
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc12720a.txt
_cod_data_source_block           1b
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7106651