Synthesis of spirocyclic carbazole- and acridine-lactams.
Würdemann, Martina; Christoffers, Jens; Organic & biomolecular chemistry 8 (2010) 1894–1898; doi:10.1039/b922827f

data_7153290
_publ_section_title
;
 Synthesis of spirocyclic carbazole- and acridine-lactams.
;
_journal_issue                   8
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1894
_journal_page_last               1898
_journal_paper_doi               10.1039/b922827f
_journal_volume                  8
_journal_year                    2010
_chemical_formula_sum            'C17 H20 N2 O'
_chemical_formula_weight         268.35
_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                 97.453(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.1906(8)
_cell_length_b                   23.251(2)
_cell_length_c                   9.9292(7)
_cell_measurement_reflns_used    2751
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      51.3
_cell_measurement_theta_min      5.3
_cell_volume                     2790.6(4)
_computing_cell_refinement       'IPDS (Stoe, 1999)'
_computing_data_collection       'IPDS (Stoe, 1999)'
_computing_data_reduction        'XRED (Stoe, 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       phi-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  0.1260
_diffrn_reflns_av_sigmaI/netI    0.1888
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            31305
_diffrn_reflns_theta_full        26.11
_diffrn_reflns_theta_max         26.11
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9928
_exptl_absorpt_correction_T_min  0.9841
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.277
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.121
_refine_diff_density_min         -0.157
_refine_diff_density_rms         0.029
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.520
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     363
_refine_ls_number_reflns         5286
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.520
_refine_ls_R_factor_all          0.1075
_refine_ls_R_factor_gt           0.0300
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0418
_refine_ls_wR_factor_ref         0.0513
_reflns_number_gt                2022
_reflns_number_total             5286
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b922827f.txt
_cod_data_source_block           MW115A
_cod_original_cell_volume        2790.5(4)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7153290