Selective Synthesis of 3-Arylbenzo-1,2,3-triazin-4(3H)-ones and 1-Aryl-(1H)-benzo-1,2,3-triazoles from 1,3-Diaryltriazenes through Pd(0) Catalyzed Annulation Reactions.
Chandrasekhar, Attoor; Sankararaman, Sethuraman; The Journal of organic chemistry 82 (2017) 11487–11493; doi:10.1021/acs.joc.7b02023

data_4033008
_publ_section_title
;
 Selective Synthesis of 3-Arylbenzo-1,2,3-triazin-4(3H)-ones and
 1-Aryl-(1H)-benzo-1,2,3-triazoles from 1,3-Diaryltriazenes through Pd(0)
 Catalyzed Annulation Reactions.
;
_journal_issue                   21
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              11487
_journal_page_last               11493
_journal_paper_doi               10.1021/acs.joc.7b02023
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C18 H19 N3 O'
_chemical_formula_sum            'C18 H19 N3 O'
_chemical_formula_weight         293.36
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.8573(6)
_cell_length_b                   11.8742(10)
_cell_length_c                   19.7672(19)
_cell_measurement_reflns_used    1844
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      20.91
_cell_measurement_theta_min      2.68
_cell_volume                     1609.5(2)
_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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0405
_diffrn_reflns_av_unetI/netI     0.0418
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7741
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        23.063
_diffrn_reflns_theta_max         23.063
_diffrn_reflns_theta_min         2.061
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.981
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/5(Bruker AXS.Inc)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.211
_exptl_crystal_description       Rectangular
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.124
_refine_diff_density_min         -0.121
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details
; 
 Flack x determined using 583 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   -0.3(10)
_refine_ls_extinction_coef       0.014(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         2256
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0657
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0408P)^2^+0.2211P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0867
_refine_ls_wR_factor_ref         0.0995
_reflns_Friedel_coverage         0.694
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                1724
_reflns_number_total             2256
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b02023_si_002.cif
_cod_data_source_block           784
_cod_depositor_comments
'Adding full bibliography for 4033007--4033008.cif.'
_cod_database_code               4033008
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.981
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              15721
_shelx_hkl_checksum              35365