Synthesis of 2,3-dihydroquinazolinimines and 1,3-diiminoisoindolines catalyzed by rare earth metal alkyl complexes through tandem addition/cyclization of nitriles with amines.
Guo, Dianjun; He, Jinqiang; Yuan, Qingbing; Zhou, Shuangliu; Zhu, Xiancui; Dalton transactions (Cambridge, England : 2003) 54 (2025) 4484–4492; doi:10.1039/d5dt00106d

data_7717997
_publ_section_title
;
 Synthesis of 2,3-dihydroquinazolinimines and 1,3-diiminoisoindolines
 catalyzed by rare earth metal alkyl complexes through tandem
 addition/cyclization of nitriles with amines.
;
_journal_issue                   11
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4484
_journal_page_last               4492
_journal_paper_doi               10.1039/d5dt00106d
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C19 H16 N4'
_chemical_formula_sum            'C19 H16 N4'
_chemical_formula_weight         300.36
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_block_doi                 10.5517/ccdc.csd.cc2m3cbg
_audit_creation_date             2024-01-10
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2025-01-13 deposited with the CCDC.	2025-02-10 downloaded from the CCDC.
;
_cell_angle_alpha                74.158(3)
_cell_angle_beta                 75.580(4)
_cell_angle_gamma                68.158(3)
_cell_formula_units_Z            4
_cell_length_a                   10.9173(14)
_cell_length_b                   11.7318(13)
_cell_length_c                   13.9226(18)
_cell_measurement_reflns_used    3780
_cell_measurement_temperature    293.15
_cell_measurement_theta_max      26.175
_cell_measurement_theta_min      2.752
_cell_volume                     1570.5(3)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293.15
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1549
_diffrn_reflns_av_unetI/netI     0.0857
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            43568
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.497
_diffrn_reflns_theta_min         3.084
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6426
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0878 before and 0.0649 after correction. The Ratio of minimum to maximum transmission is 0.8619. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_refine_diff_density_max         0.588
_refine_diff_density_min         -0.259
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         7192
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.2050
_refine_ls_R_factor_gt           0.0878
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1271P)^2^+0.4365P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2209
_refine_ls_wR_factor_ref         0.2894
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2971
_reflns_number_total             7192
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt00106d2.cif
_cod_data_source_block           4aaa
_cod_depositor_comments
'Adding full bibliography for 7717994--7718001.cif.'
_cod_database_code               7717997
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
2.a Ternary CH refined with riding coordinates:
 C8(H8), C00Y(H00Y)
2.b Aromatic/amide H refined with riding coordinates:
 N003(H003), N2(H2), N005(H005), N1(H1), C00I(H00I), C00K(H00K), C3(H3),
 C4(H4), C00N(H00N), C18(H18), C00P(H00P), C15(H15), C6(H6), C00T(H00T),
 C00U(H00U), C17(H17), C5(H5), C00X(H00X), C00Z(H00Z), C010(H010), C16(H16),
 C10(H10), C013(H013), C014(H014), C14(H14), C016(H016), C12(H12), C018(H018),
 C13(H13), C11(H11)
;
_shelx_res_checksum              16411
_olex2_submission_special_instructions 'No special instructions were received'