One step synthesis of highly functionalized thiazolo[3,2- b][1,2,4]triazole, triazolo[1,5-a]pyrimidine and triazolo[3,4- b][1,3,4]thiadiazine†
Shah, Tariq A.; Ahmad, Zubair; Mir, Niyaz A.; Muneer, Mohammad; Ahmad, Musheer; Rath, Nigam P.; RSC Adv.  (2015) –; doi:10.1039/C5RA21270G

data_7223425
_publ_section_title
;
 One step synthesis of highly functionalized thiazolo[3,2-
 b][1,2,4]triazole, triazolo[1,5-a]pyrimidine and triazolo[3,4-
 b][1,3,4]thiadiazine&#x2020;
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA21270G
_journal_year                    2015
_chemical_formula_moiety         'C11 H7 N3 O S'
_chemical_formula_sum            'C11 H7 N3 O S'
_chemical_formula_weight         229.26
_chemical_melting_point          543
_chemical_name_systematic
'5-phenyl-7H-[1,2,4]triazolo[5,1-b][1,3]thiazin-7-one (49)'
_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'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2015-07-06 deposited with the CCDC.
2015-12-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.277(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.9892(6)
_cell_length_b                   10.5036(10)
_cell_length_c                   13.4268(13)
_cell_measurement_reflns_used    6498
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.94
_cell_measurement_theta_min      2.49
_cell_volume                     955.24(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2013 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0815
_diffrn_reflns_av_unetI/netI     0.0556
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            19126
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.052
_diffrn_reflns_theta_min         2.492
_exptl_absorpt_coefficient_mu    0.316
_exptl_absorpt_correction_T_max  0.8623
_exptl_absorpt_correction_T_min  0.6408
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'sadabs v2014/4'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.594
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangular
_exptl_crystal_F_000             472
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: methanol'
_exptl_crystal_size_max          0.251
_exptl_crystal_size_mid          0.163
_exptl_crystal_size_min          0.095
_refine_diff_density_max         0.676
_refine_diff_density_min         -0.526
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.979
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         3319
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.979
_refine_ls_R_factor_all          0.0609
_refine_ls_R_factor_gt           0.0495
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0871P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1308
_refine_ls_wR_factor_ref         0.1365
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2570
_reflns_number_total             3319
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ra21270g2.cif
_cod_data_source_block           r615
_cod_database_code               7223425
_shelx_estimated_absorpt_t_min   0.925
_shelx_estimated_absorpt_t_max   0.971
_shelxl_version_number           2014/6
_shelx_res_checksum              60812