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_4025977
_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
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_symmetry_space_group_name_H-M   'P 1 21/c 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                 91.77(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.74(2)
_cell_length_b                   12.46(4)
_cell_length_c                   15.25(5)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     1280(7)
_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_measured_fraction_theta_full 0.826
_diffrn_measured_fraction_theta_max 0.826
_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  0.2833
_diffrn_reflns_av_sigmaI/netI    0.2374
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -7
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_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            4392
_diffrn_reflns_theta_full        24.26
_diffrn_reflns_theta_max         24.26
_diffrn_reflns_theta_min         2.67
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  0.9979
_exptl_absorpt_correction_T_min  0.9439
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.433
_exptl_crystal_description       prism
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.791
_refine_diff_density_min         -0.639
_refine_diff_density_rms         0.148
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    fixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         1714
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.2822
_refine_ls_R_factor_gt           0.1771
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3848
_refine_ls_wR_factor_ref         0.4406
_reflns_number_gt                646
_reflns_number_total             1714
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo1018393_si_002.cif
_cod_data_source_block           a10697
_cod_original_cell_volume        1281(7)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4025977