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_1543396
_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 H21 N3'
_chemical_formula_sum            'C26 H21 N3'
_chemical_formula_weight         375.46
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.8250(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.5200(6)
_cell_length_b                   11.4587(5)
_cell_length_c                   13.5749(6)
_cell_measurement_reflns_used    7891
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      28.25
_cell_measurement_theta_min      2.33
_cell_volume                     1943.16(15)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0418
_diffrn_reflns_av_sigmaI/netI    0.0282
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            28405
_diffrn_reflns_theta_full        28.40
_diffrn_reflns_theta_max         28.40
_diffrn_reflns_theta_min         2.14
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.283
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prizm
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.289
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     264
_refine_ls_number_reflns         4856
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0596
_refine_ls_R_factor_gt           0.0467
_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^)+(0.0600P)^2^+0.6355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1229
_reflns_number_gt                3972
_reflns_number_total             4856
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol6b01178_si_002.cif
_cod_data_source_block           3a
_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      'P 21/n '
_cod_database_code               1543396