Selective Formation of 1,4-Disubstituted Triazoles from Ruthenium-Catalyzed Cycloaddition of Terminal Alkynes and Organic Azides: Scope and Reaction Mechanism
Liu, Pei Nian; Li, Juan; Su, Fu Hai; Ju, Kun Dong; Zhang, Li; Shi, Chuan; Sung, Herman H. Y.; Williams, Ian D.; Fokin, Valery V.; Lin, Zhenyang; Jia, Guochen; Organometallics 31 (2012) 4904–; doi:10.1021/om300513w

data_4078907
_publ_section_title
;
 Selective Formation of 1,4-Disubstituted Triazoles from
 Ruthenium-Catalyzed Cycloaddition of Terminal Alkynes and Organic Azides:
 Scope and Reaction Mechanism
;
_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              4904
_journal_paper_doi               10.1021/om300513w
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C16 H15 N3 O2 S'
_chemical_formula_weight         313.37
_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                81.134(8)
_cell_angle_beta                 78.547(8)
_cell_angle_gamma                87.266(7)
_cell_formula_units_Z            2
_cell_length_a                   5.9355(5)
_cell_length_b                   11.1400(10)
_cell_length_c                   11.9239(11)
_cell_measurement_reflns_used    1295
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      71.06
_cell_measurement_theta_min      7.65
_cell_volume                     763.37(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0269
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4223
_diffrn_reflns_theta_full        66.50
_diffrn_reflns_theta_max         67.49
_diffrn_reflns_theta_min         7.67
_exptl_absorpt_coefficient_mu    1.977
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.52
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.363
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.580
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2656
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0490
_refine_ls_R_factor_gt           0.0422
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0900P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1174
_reflns_number_gt                2259
_reflns_number_total             2656
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300513w_si_002.cif
_cod_data_source_block           12l
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4078907