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_4107648
_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_moiety         'C19 H16 N2 O4'
_chemical_formula_sum            'C19 H16 N2 O4'
_chemical_formula_weight         336.34
_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                113.488(4)
_cell_angle_beta                 98.016(4)
_cell_angle_gamma                101.479(3)
_cell_formula_units_Z            2
_cell_length_a                   8.8845(3)
_cell_length_b                   9.7575(5)
_cell_length_c                   10.9169(8)
_cell_measurement_reflns_used    104
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.00
_cell_measurement_theta_min      6.00
_cell_volume                     825.03(9)
_computing_cell_refinement       'EVALCCD (Duisenberg, 2003)'
_computing_data_collection       'COLLECT (Bruker-Nonius, 2002)'
_computing_data_reduction        'EVALCCD (Duisenberg, 2003)'
_computing_molecular_graphics    'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_publication_material  'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_structure_refinement  'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_structure_solution    'SHELXTL 6.12 (Bruker AXS, 2002)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method
;
 \f- and \w-rotations with 2.0 \% and 128 sec per frame
;
_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  0.0971
_diffrn_reflns_av_sigmaI/netI    0.0529
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            16982
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         3.50
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.979
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.354
_exptl_crystal_description       prism
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.297
_refine_diff_density_min         -0.270
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0384
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0225P)^2^+0.3569P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0875
_refine_ls_wR_factor_ref         0.0945
_reflns_number_gt                2981
_reflns_number_total             3632
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja071316a-file017.cif
_cod_data_source_block           oc0609
_cod_original_sg_symbol_Hall     -P1
_cod_database_code               4107648