Conversion of nitrosobenzenes to isoxazolidines: an efficient cascade process utilizing reactive nitrone intermediates.
Kang, Jun Yong; Bugarin, Alejandro; Connell, Brian T; Chemical communications (Cambridge, England)  (2008) 3522–3524; doi:10.1039/b806374e

data_7103269
_publ_section_title
;
 Conversion of nitrosobenzenes to isoxazolidines: an efficient cascade
 process utilizing reactive nitrone intermediates.
;
_journal_issue                   30
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3522
_journal_page_last               3524
_journal_paper_doi               10.1039/b806374e
_journal_year                    2008
_chemical_formula_sum            'C23 H23 N O'
_chemical_formula_weight         329.42
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 115.235(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.227(7)
_cell_length_b                   32.76(2)
_cell_length_c                   5.358(3)
_cell_measurement_reflns_used    1151
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      2.58
_cell_volume                     1782(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0714
_diffrn_reflns_av_sigmaI/netI    0.0835
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            8387
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9978
_exptl_absorpt_correction_T_min  0.9817
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2006)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -3(2)
_refine_ls_extinction_coef       0.0133(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3136
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0931
_refine_ls_R_factor_gt           0.0548
_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
[0.00000+1.00000exp(1.00(sin\q/\l)^2^)]/
[\s^2^(Fo^2^)+0.0000+0.0000*P+(0.0633P)^2^+0.0000sin\q/\l]
where P = 0.33333Fo^2^ + 0.66667Fc^2^
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1174
_refine_ls_wR_factor_ref         0.1358
_reflns_number_gt                2124
_reflns_number_total             3136
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b806374e.txt
_cod_data_source_block           ccn
_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 
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_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7103269