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_1502643
_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            'C12 H16 N2 O'
_chemical_formula_weight         204.27
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 120.442(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7976(14)
_cell_length_b                   11.3938(17)
_cell_length_c                   11.8365(19)
_cell_measurement_reflns_used    1213
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.11
_cell_measurement_theta_min      2.85
_cell_volume                     1139.2(3)
_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 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0656
_diffrn_reflns_av_sigmaI/netI    0.0684
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6757
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.68
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.191
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sheet
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.239
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.575
_refine_diff_density_min         -0.404
_refine_diff_density_rms         0.135
_refine_ls_extinction_coef       0.14(4)
_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   1.197
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         1973
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.197
_refine_ls_R_factor_all          0.1619
_refine_ls_R_factor_gt           0.1253
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3270
_refine_ls_wR_factor_ref         0.3563
_reflns_number_gt                1182
_reflns_number_total             1973
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cc900174p_si_002.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 /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

 Updated bibliographic information.

 Antanas Vaitkus,
 2019-10-03
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1502643