Dotting the i's in three-component Biginelli-like condensations using 3-amino-1,2,4-triazole as a 1,3-binucleophile
Sedash, Yuriy V.; Gorobets, Nikolay Yu.; Chebanov, Valentin A.; Konovalova, Irina S.; Shishkin, Oleg V.; Desenko, Sergey M.; RSC Advances 2 (2012) 6719–; doi:10.1039/c2ra20195j

data_7238624
_publ_section_title
;
 Dotting the i's in three-component Biginelli-like condensations using
 3-amino-1,2,4-triazole as a 1,3-binucleophile
;
_journal_issue                   17
_journal_name_full               'RSC Advances'
_journal_page_first              6719
_journal_paper_doi               10.1039/c2ra20195j
_journal_volume                  2
_journal_year                    2012
_chemical_formula_moiety         'C14 H16 N4 O3'
_chemical_formula_sum            'C14 H16 N4 O3'
_chemical_formula_weight         288.31
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_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            4
_cell_length_a                   5.6370(4)
_cell_length_b                   10.2308(7)
_cell_length_c                   24.765(2)
_cell_measurement_reflns_used    3751
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30.9
_cell_measurement_theta_min      3.2
_cell_volume                     1428.22(18)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.27p5 beta (release 01-04-2005 CrysAlis171 .NET)
(compiled Apr 1 2005,17:53:34)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.27p5 beta (release 01-04-2005 CrysAlis171 .NET)
(compiled Apr 1 2005,17:53:34)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.27p5 beta (release 01-04-2005 CrysAlis171 .NET)
(compiled Apr 1 2005,17:53:34)
;
_computing_molecular_graphics    'XP (Siemens, 1998)'
_computing_publication_material  'SHELXTL (Sheldrick, 1998)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 1998)'
_computing_structure_solution    'SHELXTL (Sheldrick, 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.1827
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  Xcalibur"3
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0539
_diffrn_reflns_av_sigmaI/netI    0.0352
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            9265
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.17
_diffrn_standards_interval_count 50
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.155
_refine_diff_density_min         -0.147
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   4(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.156
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         1480
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.156
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0443
_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^)+(0.0447P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0909
_refine_ls_wR_factor_ref         0.0957
_reflns_number_gt                1190
_reflns_number_total             1480
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ra20195j.txt
_cod_data_source_block           experimental
_cod_original_cell_volume        1428.3
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7238624