Silver(I)-Catalyzed Facile Synthesis of Pyrazoles From Propargyl N-Sulfonylhydrazones
Young Tak Lee; Young Keun Chung; Journal of Organic Chemistry 73 (2008) 4698–4701; doi:10.1021/jo800663g

data_4023490
_publ_section_title
;
 Silver(I)-Catalyzed Facile Synthesis of Pyrazoles
 From Propargyl N-Sulfonylhydrazones
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4698
_journal_page_last               4701
_journal_paper_doi               10.1021/jo800663g
_journal_volume                  73
_journal_year                    2008
_chemical_formula_sum            'C13 H14 N2 O2 S'
_chemical_formula_weight         262.32
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.650(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.3873(11)
_cell_length_b                   5.5964(4)
_cell_length_c                   14.1809(17)
_cell_measurement_reflns_used    3347
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     654.17(13)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    ORTEP3
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_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  0.0218
_diffrn_reflns_av_sigmaI/netI    0.0456
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            3370
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         3.92
_exptl_absorpt_coefficient_mu    0.243
_exptl_absorpt_correction_T_max  0.9761
_exptl_absorpt_correction_T_min  0.8882
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
'R. H. Blessing, Acta Crystallogr., Sect A 1995, 51, 33-38.'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.332
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             276
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.312
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.24(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2688
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0574
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0410P)^2^+0.1134P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0960
_refine_ls_wR_factor_ref         0.1035
_reflns_number_gt                2251
_reflns_number_total             2688
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo800663g-File005.cif
_cod_data_source_block           3aj
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4023490