Copper(II)-Catalyzed Aerobic Oxidative Synthesis of Substituted 1,2,3- and 1,2,4-Triazoles from Bisarylhydrazones via C-H Functionalization/C-C/N-N/C-N Bonds Formation
Murali Mohan Guru; Tharmalingam Punniyamurthy; Journal of Organic Chemistry 77 (2012) 5063–5073; doi:10.1021/jo300592t

data_4027232
_publ_section_title
;
 Copper(II)-Catalyzed Aerobic Oxidative Synthesis of Substituted 1,2,3-
 and 1,2,4-Triazoles from Bisarylhydrazones via C-H
 Functionalization/C-C/N-N/C-N Bonds Formation
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5063
_journal_page_last               5073
_journal_paper_doi               10.1021/jo300592t
_journal_volume                  77
_journal_year                    2012
_chemical_formula_sum            'C20 H13 Cl2 N3'
_chemical_formula_weight         366.23
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                106.642(19)
_cell_angle_beta                 92.54(2)
_cell_angle_gamma                91.559(19)
_cell_formula_units_Z            2
_cell_length_a                   5.8381(13)
_cell_length_b                   11.958(3)
_cell_length_c                   12.782(3)
_cell_measurement_temperature    298(2)
_cell_volume                     853.4(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0871
_diffrn_reflns_av_sigmaI/netI    0.1574
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5031
_diffrn_reflns_theta_full        28.20
_diffrn_reflns_theta_max         28.20
_diffrn_reflns_theta_min         1.67
_exptl_absorpt_coefficient_mu    0.387
_exptl_absorpt_correction_T_max  0.880
_exptl_absorpt_correction_T_min  0.840
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADBAS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.425
_exptl_crystal_description       block
_exptl_crystal_F_000             324
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.33
_refine_diff_density_max         0.529
_refine_diff_density_min         -0.345
_refine_diff_density_rms         0.085
_refine_ls_extinction_coef       0.036(13)
_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   1.044
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         1708
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.1106
_refine_ls_R_factor_gt           0.0811
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1053P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2055
_refine_ls_wR_factor_ref         0.2311
_reflns_number_gt                4067
_reflns_number_total             4185
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo300592t_si_006.cif
_cod_data_source_block           3c
_cod_original_cell_volume        853.3(4)
_cod_database_code               4027232