Regioselective Addition oftert-BuN⋮C to the α Carbon Atom of the Allenyl Ligand in [Fe2(CO)6(μ-PPh2){μ-η1:η2α,β-(H)CαCβCγH2}]: Formation of [Fe2(CO)6(μ-PPh2){μ-η1:η1-(tert-BuN⋮C)CCCH3}] and [Fe2(CO)6(μ-PPh2)(μ-η1:η2-{tert-BuNHC(O)CH2}CCH2)] via Competitive 1,3-Hydrogen Migration and Hydrolysis of the Reactive Allene-Bridged Intermediate [Fe2(CO)6(μ-PPh2){μ-η1:η1-(tert-BuNC)HCCCH2}]
Doherty, Simon; Hogarth, Graeme; Waugh, Mark; Scanlan, Tom H.; Clegg, William; Elsegood, Mark R. J.; Organometallics 18 (1999) 3178–; doi:10.1021/om9901630

data_4077785
_publ_section_title
;
 Regioselective Addition oftert-BuN&#x22EE;C to the \a Carbon Atom of the
 Allenyl Ligand in
 [Fe2(CO)6(\m-PPh2){\m-\h1:\h2\a,\b-(H)C\aC\bC\gH2}]:&#x00A0; Formation of
 [Fe2(CO)6(\m-PPh2){\m-\h1:\h1-(tert-BuN&#x22EE;C)CCCH3}] and
 [Fe2(CO)6(\m-PPh2)(\m-\h1:\h2-{tert-BuNHC(O)CH2}CCH2)] via Competitive
 1,3-Hydrogen Migration and Hydrolysis of the Reactive Allene-Bridged
 Intermediate [Fe2(CO)6(\m-PPh2){\m-\h1:\h1-(tert-BuNC)HCCCH2}]
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              3178
_journal_paper_doi               10.1021/om9901630
_journal_volume                  18
_journal_year                    1999
_chemical_formula_sum            'C29 H31 Fe2 N2 O6 P'
_chemical_formula_weight         646.23
_chemical_name_systematic
;
 ?
;
_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 except H1N & H2N coords freely refined'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.218(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.4537(6)
_cell_length_b                   19.1346(11)
_cell_length_c                   17.1325(10)
_cell_measurement_reflns_used    13598
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      28.96
_cell_measurement_theta_min      2.45
_cell_volume                     3028.9(3)
_computing_cell_refinement       'local programs'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      160(2)
_diffrn_measurement_device_type  'Bruker SMART CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_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  0.0260
_diffrn_reflns_av_sigmaI/netI    0.0333
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            22444
_diffrn_reflns_theta_max         29.20
_diffrn_reflns_theta_min         1.62
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.053
_exptl_absorpt_correction_T_max  0.928
_exptl_absorpt_correction_T_min  0.832
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.417
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.549
_refine_diff_density_min         -0.347
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         7537
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0463
_refine_ls_R_factor_gt           0.0321
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0469P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0754
_refine_ls_wR_factor_ref         0.0784
_reflns_number_gt                5844
_reflns_number_total             7537
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9901630.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4077785