Copper-catalyzed annulation of amidines for quinazoline synthesis
Yunhe Lv; Yan Li; Tao Xiong; Weiya Pu; Hongwei Zhang; Kai Sun; Qun Liu; Qian Zhang; Chem.Commun. 49 (2013) 6439–; doi:10.1039/c3cc43129k

data_7109477
_publ_section_title
;
 Copper-catalyzed annulation of amidines for quinazoline synthesis
;
_journal_name_full               Chem.Commun.
_journal_page_first              6439
_journal_paper_doi               10.1039/c3cc43129k
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'C15 H14 N2'
_chemical_formula_sum            'C15 H14 N2'
_chemical_formula_weight         222.28
_chemical_name_systematic
;
?
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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            16
_cell_length_a                   14.4293(16)
_cell_length_b                   14.4293(16)
_cell_length_c                   22.345(5)
_cell_measurement_reflns_used    2059
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.05
_cell_measurement_theta_min      1.68
_cell_volume                     4652.3(13)
_computing_cell_refinement       'SMART (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL-PLUS (Sheldrick, 1990)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97(Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX CCD area-detector'
_diffrn_measurement_method       '\w 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  0.0606
_diffrn_reflns_av_sigmaI/netI    0.0364
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            13088
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.9880
_exptl_absorpt_correction_T_min  0.9850
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS(Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.269
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.610
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.113
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.104
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2059
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.2632
_refine_ls_R_factor_gt           0.2096
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1859P)^2^+82.7234P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.5257
_refine_ls_wR_factor_ref         0.5567
_reflns_number_gt                1169
_reflns_number_total             2059
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3cc43129k.txt
_cod_data_source_block           i41a
_cod_original_sg_symbol_H-M      'I4(1)/a '
_cod_database_code               7109477