Synthesis of Isoxazoline N-Oxides via [Hydroxy(tosyloxy)iodo]benzene (HTIB)-Mediated Oxidative N-O Coupling
Mustafa J. Raihan; Veerababurao Kavala; Pateliya Mujjamil Habib; Qiao-Zhi Guan; Chun-Wei Kuo; Ching-Fa Yao; Journal of Organic Chemistry 76 (2011) 424–434; doi:10.1021/jo1018393

data_4025978
_publ_section_title
;
 Synthesis of Isoxazoline N-Oxides via [Hydroxy(tosyloxy)iodo]benzene
 (HTIB)-Mediated Oxidative N-O Coupling
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              424
_journal_page_last               434
_journal_paper_doi               10.1021/jo1018393
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C14 H16 N2 O4'
_chemical_formula_sum            'C14 H16 N2 O4'
_chemical_formula_weight         276.29
_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                90.0380(10)
_cell_angle_beta                 90.0260(10)
_cell_angle_gamma                90.037(2)
_cell_formula_units_Z            4
_cell_length_a                   6.3130(2)
_cell_length_b                   10.4530(3)
_cell_length_c                   20.3210(7)
_cell_measurement_reflns_used    7893
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      2.037
_cell_volume                     1340.98(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'HKL Denzo and Scalepack'
_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    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0389
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            9089
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         2.19
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.9957
_exptl_absorpt_correction_T_min  0.9336
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 ?
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.369
_exptl_crystal_description       prism
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.431
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    fixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         4521
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0632
_refine_ls_R_factor_gt           0.0431
_refine_ls_shift/su_max          0.023
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0853P)^2^+0.1862P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1232
_refine_ls_wR_factor_ref         0.1461
_reflns_number_gt                3414
_reflns_number_total             4521
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo1018393_si_003.cif
_cod_data_source_block           10908
_cod_database_code               4025978