Tandem Synthesis of 10-Dimethylaminobenzo[h]quinazolines from 2-Ketimino-1,8-bis(dimethylamino)naphthalenes via Nucleophilic Replacement of the Unactivated Aromatic NMe2 Group.
Mikshiev, Vladimir Y.; Antonov, Alexander S.; Pozharskii, Alexander F.; Organic letters 18 (2016) 2872–2875; doi:10.1021/acs.orglett.6b01178

data_1543397
_publ_section_title
;
 Tandem Synthesis of 10-Dimethylaminobenzo[h]quinazolines from
 2-Ketimino-1,8-bis(dimethylamino)naphthalenes via Nucleophilic
 Replacement of the Unactivated Aromatic NMe2 Group.
;
_journal_issue                   12
_journal_name_full               'Organic letters'
_journal_page_first              2872
_journal_page_last               2875
_journal_paper_doi               10.1021/acs.orglett.6b01178
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C26 H20 Br N3'
_chemical_formula_sum            'C26 H20 Br N3'
_chemical_formula_weight         454.36
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 106.5760(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.8133(11)
_cell_length_b                   12.4608(6)
_cell_length_c                   16.5347(8)
_cell_measurement_reflns_used    257
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      3
_cell_volume                     4110.1(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX II'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXTL  (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL  (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL  (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX II CCD area detector'
_diffrn_measurement_method       'omega 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  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0202
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            26051
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    2.019
_exptl_absorpt_correction_T_max  0.640
_exptl_absorpt_correction_T_min  0.455
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.469
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1856
_exptl_crystal_size_max          0.430
_exptl_crystal_size_mid          0.360
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.855
_refine_diff_density_min         -0.670
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         5990
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0397
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0435P)^2^+4.2406P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0779
_refine_ls_wR_factor_ref         0.0826
_reflns_number_gt                5052
_reflns_number_total             5990
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol6b01178_si_002.cif
_cod_data_source_block           3k
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 1543396--1543397.cif.
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1543397