Nucleophilic β-Oniovinylation: Concept, Mechanism, Scope, and Applications
Robert Weiss; Matthias Bess; Stefan M. Huber; Frank W. Heinemann; Journal of the American Chemical Society 130 (2008) 4610–4617; doi:10.1021/ja071316a

data_4107641
_publ_section_title
;
 Nucleophilic \b-Oniovinylation: Concept, Mechanism, Scope, and
 Applications
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4610
_journal_page_last               4617
_journal_paper_doi               10.1021/ja071316a
_journal_volume                  130
_journal_year                    2008
_chemical_formula_sum            'C21 H21 F3 N2 O8 S'
_chemical_formula_weight         518.46
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_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                 90.936(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2486(2)
_cell_length_b                   16.2609(4)
_cell_length_c                   19.8121(4)
_cell_measurement_reflns_used    4809
_cell_measurement_temperature    173(2)
_cell_volume                     2334.92(10)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius Collect'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'SHELXTL NT'
_computing_publication_material  'SHELXTL NT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius Collect'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0166
_diffrn_reflns_av_sigmaI/netI    0.0283
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            7512
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.41
_exptl_absorpt_coefficient_mu    0.212
_exptl_absorpt_correction_T_max  0.9587
_exptl_absorpt_correction_T_min  0.9488
_exptl_absorpt_correction_type   'empirical (Scalepack)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.475
_exptl_crystal_description       plate
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.606
_refine_diff_density_min         -0.740
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.163
_refine_ls_hydrogen_treatment    'riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     322
_refine_ls_number_reflns         4107
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.163
_refine_ls_R_factor_all          0.0949
_refine_ls_R_factor_gt           0.0843
_refine_ls_shift/su_max          1.994
_refine_ls_shift/su_mean         0.530
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0841P)^2^+5.3058P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1846
_refine_ls_wR_factor_ref         0.1936
_reflns_number_gt                3439
_reflns_number_total             4107
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja071316a-file010.cif
_cod_data_source_block           matb02_2
_cod_database_code               4107641