Deprotonative Magnesation and Cadmation of [1,2,3]Triazolo[1,5-a]pyridines
Ghenia Bentabed-Ababsa; Fernando Blanco; Aïcha Derdour; Florence Mongin; François Trécourt; Guy Quéguiner; Rafael Ballesteros; Belén Abarca; Journal of Organic Chemistry 74 (2009) 163–169; doi:10.1021/jo801675h

data_4024218
_publ_section_title
;
Deprotonative Magnesation and Cadmation of [1,2,3]Triazolo[1,5-a]pyridines
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              163
_journal_page_last               169
_journal_paper_doi               10.1021/jo801675h
_journal_volume                  74
_journal_year                    2009
_chemical_absolute_configuration ad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C7 H3 I1 N4'
_chemical_formula_sum            'C7 H3 I N4'
_chemical_formula_weight         270.03
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 97.715(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.3247(5)
_cell_length_b                   6.9071(7)
_cell_length_c                   13.3984(14)
_cell_measurement_reflns_used    6587
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      2.95
_cell_measurement_wavelength     0.71073
_cell_volume                     396.60(7)
_computing_cell_refinement       'Bruker SMART, 2006'
_computing_data_collection       'Bruker SMART, 2006'
_computing_data_reduction        'Bruker SAINT, 2006'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0253
_diffrn_reflns_av_unetI/netI     0.0206
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6989
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         4.26
_exptl_absorpt_coefficient_mu    3.979
_exptl_absorpt_correction_T_max  0.672
_exptl_absorpt_correction_T_min  0.322
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.261
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             252
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.605
_refine_diff_density_min         -0.513
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.014(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.127
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1795
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.126
_refine_ls_R_factor_all          0.012
_refine_ls_R_factor_gt           0.0119
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0111P)^2^+0.0707P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.03
_refine_ls_wR_factor_ref         0.03
_reflns_number_gt                1792
_reflns_number_total             1795
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo801675h_si_002_3.cif
_cod_data_source_block           2d
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4024218