Synthesis of a family of 3-alkyl- or 3-aryl-substituted 1,2-dihydroquinazolinium salts and their isomerization to 4-iminium-1,2,3,4-tetrahydroquinolines.
Vicente, José; Chicote, María Teresa; Martínez-Martínez, Antonio Jesús; Bautista, Delia; Jones, Peter G.; Organic & biomolecular chemistry 9 (2011) 2279–2285; doi:10.1039/c0ob00982b

data_7151795
_publ_section_title
;
 Synthesis of a family of 3-alkyl- or 3-aryl-substituted
 1,2-dihydroquinazolinium salts and their isomerization to
 4-iminium-1,2,3,4-tetrahydroquinolines.
;
_journal_issue                   7
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2279
_journal_page_last               2285
_journal_paper_doi               10.1039/c0ob00982b
_journal_volume                  9
_journal_year                    2011
_chemical_formula_sum            'C75 H79 Cl8 F9 N6 O9 S3'
_chemical_formula_weight         1759.22
_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                108.267(13)
_cell_angle_beta                 106.724(13)
_cell_angle_gamma                101.091(14)
_cell_formula_units_Z            2
_cell_length_a                   13.531(2)
_cell_length_b                   17.185(2)
_cell_length_c                   19.511(2)
_cell_measurement_reflns_used    20148
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      75.6340
_cell_measurement_theta_min      3.5461
_cell_volume                     3921.8(11)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_molecular_graphics    'Siemens XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3543
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Atlas, Nova'
_diffrn_measurement_method       \w-scan
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0761
_diffrn_reflns_av_sigmaI/netI    0.0551
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            83238
_diffrn_reflns_theta_full        72.50
_diffrn_reflns_theta_max         75.82
_diffrn_reflns_theta_min         3.55
_exptl_absorpt_coefficient_mu    4.074
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.56041
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.490
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1816
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.115
_refine_diff_density_min         -1.195
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment
'NH free with SADI, rigid methyls, others riding'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1031
_refine_ls_number_reflns         16034
_refine_ls_number_restraints     931
_refine_ls_restrained_S_all      0.970
_refine_ls_R_factor_all          0.0942
_refine_ls_R_factor_gt           0.0613
_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^)+(0.1190P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1666
_refine_ls_wR_factor_ref         0.1843
_reflns_number_gt                10409
_reflns_number_total             16034
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ob00982b.txt
_cod_data_source_block           aiff
_cod_original_cell_volume        3921.8(8)
_cod_database_code               7151795