Vitamin E Chemistry. Nitration of Non-α-tocopherols: Products and Mechanistic Considerations
Anjan Patel; Falk Liebner; Thomas Netscher; Kurt Mereiter; Thomas Rosenau; Journal of Organic Chemistry 72 (2007) 6504–6512; doi:10.1021/jo0706832

data_4024116
_publ_contact_author_address
;
 Prof. Dr. Thomas Rosenau
 Department of Chemistry,  
 University of Natural Resources (BOKU), 
 Muthgasse 18, 
 A-1190 Vienna, Austria 
;
_publ_contact_author_email       thomas.rosenau@boku.ac.at
_publ_contact_author_fax         '+43-1-36006 6059'
_publ_contact_author_name        'Prof. Dr. Thomas Rosenau'
_publ_contact_author_phone       '+43-1-36006 6061'
_publ_section_title
;
 Vitamin E Chemistry. Nitration of Non-\a-tocopherols:
 Products and Mechanistic Considerations
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              6504
_journal_page_last               6512
_journal_paper_doi               10.1021/jo0706832
_journal_volume                  72
_journal_year                    2007
_chemical_formula_moiety         'C13 H18 O2'
_chemical_formula_sum            'C13 H18 O2'
_chemical_formula_weight         206.27
_chemical_name_common            'compound (7)'
_chemical_name_systematic
; 
6-Hydroxy-2,2,5,8-tetramethylchroman
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 114.7060(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   22.4807(12)
_cell_length_b                   10.3086(5)
_cell_length_c                   22.0953(12)
_cell_measurement_reflns_used    5780
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.03
_cell_measurement_theta_min      2.25
_cell_volume                     4651.8(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT, SADABS, XPREP'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0186
_diffrn_reflns_av_sigmaI/netI    0.0218
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            14100
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.25
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.90
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'program SADABS, V2.10'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.178
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         5033
_refine_ls_number_restraints     82
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0554
_refine_ls_R_factor_gt           0.0462
_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^)+(0.0773P)^2^+1.9153P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1225
_refine_ls_wR_factor_ref         0.1309
_reflns_number_gt                4156
_reflns_number_total             5033
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0706832si20070403_060801_2.cif
_cod_data_source_block           7=1189
_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      'C 2/c'
_cod_database_code               4024116