Facile Synthesis of π-Conjugated Quinazoline-Substituted Ethenes from 2-Ethynylanilines and Benzonitriles under Transition-Metal-Free Conditions.
Wang, Xu; Li, Jiawei; Huang, Yubing; Zhu, Jiayi; Hu, Rongrong; Wu, Wanqing; Jiang, Huanfeng; The Journal of organic chemistry 83 (2018) 10453–10464; doi:10.1021/acs.joc.8b01494

data_4035120
_publ_section_title
;
 Facile Synthesis of \p-Conjugated Quinazoline-Substituted Ethenes from
 2-Ethynylanilines and Benzonitriles under Transition-Metal-Free
 Conditions.
;
_journal_issue                   17
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10453
_journal_page_last               10464
_journal_paper_doi               10.1021/acs.joc.8b01494
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C44 H24 F8 N4'
_chemical_formula_sum            'C44 H24 F8 N4'
_chemical_formula_weight         760.67
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2017-07-29
_audit_creation_method
;
Olex2 1.2
(compiled 2014.09.19 svn.r3010 for OlexSys, GUI svn.r4874)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 108.35(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.808(3)
_cell_length_b                   16.820(3)
_cell_length_c                   16.316(3)
_cell_measurement_reflns_used    18280
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.58
_cell_measurement_theta_min      3.10
_cell_volume                     3596.7(14)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0302
_diffrn_reflns_av_unetI/netI     0.0330
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            28894
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.11
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.112
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1552
_refine_diff_density_max         0.571
_refine_diff_density_min         -0.493
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         7995
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0960
_refine_ls_R_factor_gt           0.0660
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1376P)^2^+0.3623P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2112
_refine_ls_wR_factor_ref         0.2351
_reflns_number_gt                5090
_reflns_number_total             7995
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo8b01494_si_005.cif
_cod_data_source_block           1
_cod_original_cell_volume        3596.6(13)
_cod_database_code               4035120
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C18(H18), C21(H21), C23(H23), C24(H24), C25(H25), C26(H26), C27(H27),
 C28(H28), C29(H29), C30(H30), C37(H37), C38(H38), C40(H40), C41(H41), C42(H42),
  C43(H43), C44(H44), C45(H45), C46(H46), C48(H48), C49(H49), C50(H50),
 C53(H53), C55(H55)
;
_olex2_submission_special_instructions 'No special instructions were received'