Synthesis of 1,2,4-Triazoles via Oxidative Heterocyclization: Selective C-N Bond Over C-S Bond Formation.
Gogoi, Anupal; Guin, Srimanta; Rajamanickam, Suresh; Rout, Saroj Kumar; Patel, Bhisma K.; The Journal of organic chemistry 80 (2015) 9016–9027; doi:10.1021/acs.joc.5b00956

data_4031488
_publ_section_title
;
 Synthesis of 1,2,4-Triazoles via Oxidative
 Heterocyclization:&#x00A0;Selective C-N Bond Over C-S Bond Formation.
;
_journal_issue                   18
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9016
_journal_page_last               9027
_journal_paper_doi               10.1021/acs.joc.5b00956
_journal_volume                  80
_journal_year                    2015
_chemical_formula_moiety         'C16 H15 N3'
_chemical_formula_sum            'C16 H15 N3'
_chemical_formula_weight         249.31
_space_group_IT_number           14
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_symmetry_space_group_name_Hall  '-P 2ybc'
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_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                 92.732(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.9017(2)
_cell_length_b                   14.1916(4)
_cell_length_c                   16.0475(4)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.77
_cell_measurement_theta_min      2.87
_cell_volume                     1342.52(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_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 0.971
_diffrn_measured_fraction_theta_max 0.971
_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  0.0261
_diffrn_reflns_av_sigmaI/netI    0.0205
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            19752
_diffrn_reflns_theta_full        28.35
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         1.92
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.970
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.233
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.180
_refine_diff_density_min         -0.159
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         3255
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0653
_refine_ls_R_factor_gt           0.0454
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1489
_refine_ls_wR_factor_ref         0.1631
_reflns_number_gt                2384
_reflns_number_total             3295
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo5b00956_si_002.cif
_cod_data_source_block           ag-1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4031487--4031488.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4031488