Facile Method for the Combinatorial Synthesis of 2,2-Disubstituted Quinazolin-4(1H)-one Derivatives Catalyzed by Iodine in Ionic Liquids
Wang, Xiang-Shan; Yang, Ke; Zhou, Jie; Tu, Shu-Jiang; Journal of Combinatorial Chemistry 12 (2010) 417–421; doi:10.1021/cc900174p

data_1516283
_publ_section_title
;
 Facile Method for the Combinatorial Synthesis of 2,2-Disubstituted
 Quinazolin-4(1H)-one Derivatives Catalyzed by Iodine in Ionic Liquids
;
_journal_coden_ASTM              JCCHFF
_journal_issue                   4
_journal_name_full               'Journal of Combinatorial Chemistry'
_journal_page_first              417
_journal_page_last               421
_journal_paper_doi               10.1021/cc900174p
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C14 H18 N2 O'
_chemical_formula_weight         230.30
_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                 131.752(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            32
_cell_length_a                   39.9096(12)
_cell_length_b                   11.2986(3)
_cell_length_c                   29.6340(10)
_cell_measurement_reflns_used    9995
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      0.00
_cell_measurement_theta_min      0.00
_cell_volume                     9969.0(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0434
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       47
_diffrn_reflns_limit_h_min       -47
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            63500
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3968
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.272
_exptl_crystal_size_min          0.145
_refine_diff_density_max         1.027
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.053
_refine_ls_extinction_coef       0.00030(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     646
_refine_ls_number_reflns         8755
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0893
_refine_ls_R_factor_gt           0.0637
_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^)+(0.1119P)^2^+9.2171P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1871
_refine_ls_wR_factor_ref         0.2108
_reflns_number_gt                6152
_reflns_number_total             8755
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             1502644
_cod_data_source_file            cc900174p_si_003.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 

 Updated bibliographic information.

 Antanas Vaitkus,
 2019-10-03

 Corrected the summary chemical formula by changing it from 'C19 H18 N2 O'
 to 'C14 H18 N2 O'.

 Antanas Vaitkus,
 2019-10-03

 Marked entry as a duplicate of entry 1502644.

 Antanas Vaitkus,
 2019-10-03
;
_cod_original_cell_volume        9969.0(5)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1516283