1,3-Dipolar Cycloadditions of Acetylenic Sulfones in Solution and on Solid Supports
Detian Gao; Huimin Zhai; Masood Parvez; Thomas G. Back; Journal of Organic Chemistry 73 (2008) 8057–8068; doi:10.1021/jo801621d

data_4023767
_publ_section_title
;
 1,3-Dipolar Cycloadditions of Acetylenic Sulfones in Solution
 and on Solid Supports
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8057
_journal_page_last               8068
_journal_paper_doi               10.1021/jo801621d
_journal_volume                  73
_journal_year                    2008
_chemical_formula_sum            'C20 H23 N3 O3 S'
_chemical_formula_weight         385.47
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 107.790(17)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.325(8)
_cell_length_b                   7.976(2)
_cell_length_c                   16.450(7)
_cell_measurement_temperature    173(2)
_cell_volume                     1914.6(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0444
_diffrn_reflns_av_sigmaI/netI    0.0607
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7693
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.18
_exptl_absorpt_coefficient_mu    0.195
_exptl_absorpt_correction_T_max  0.9770
_exptl_absorpt_correction_T_min  0.9621
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.265
_refine_diff_density_min         -0.371
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         4377
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0466
_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^)+(0.0460P)^2^+0.5600P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0984
_refine_ls_wR_factor_ref         0.1127
_reflns_number_gt                3077
_reflns_number_total             4377
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo801621d_si_001.cif
_cod_data_source_block           t2
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4023767