Structure−Activity Relationships for Group 4 Biaryl Amidate Complexes in Catalytic Hydroamination/Cyclization of Aminoalkenes
Gott, Andrew L.; Clarke, Adam J.; Clarkson, Guy J.; Scott, Peter; Organometallics 26 (2007) 1729–; doi:10.1021/om061087l

data_4072847
_publ_section_title
;
 Structure&#x2212;Activity Relationships for Group 4 Biaryl Amidate
 Complexes in Catalytic Hydroamination/Cyclization of Aminoalkenes
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1729
_journal_paper_doi               10.1021/om061087l
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C50 H53 N2 O2.5 Ti'
_chemical_formula_weight         769.84
_chemical_name_common            in_paper_4
_chemical_name_systematic
; 
 ? 
;
_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                98.658(6)
_cell_angle_beta                 97.596(6)
_cell_angle_gamma                108.308(6)
_cell_formula_units_Z            2
_cell_length_a                   10.8209(10)
_cell_length_b                   11.0568(11)
_cell_length_c                   19.0122(18)
_cell_measurement_reflns_used    3982
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      65.0
_cell_measurement_theta_min      3.18
_cell_volume                     2095.6(4)
_computing_cell_refinement       'SAINT (Siemens, 1995)'
_computing_data_collection       'SMART (Siemens, 1994)'
_computing_data_reduction        'SAINT (Siemens, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      180(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.895
_diffrn_measured_fraction_theta_max 0.881
_diffrn_measurement_device_type  'Siemens SMART diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0435
_diffrn_reflns_av_sigmaI/netI    0.0606
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13721
_diffrn_reflns_theta_full        65.00
_diffrn_reflns_theta_max         65.80
_diffrn_reflns_theta_min         2.39
_diffrn_standards_decay_%        nil
_exptl_absorpt_coefficient_mu    2.055
_exptl_absorpt_correction_T_max  0.8528
_exptl_absorpt_correction_T_min  0.6564
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.220
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             818
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.645
_refine_diff_density_min         -0.599
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     498
_refine_ls_number_reflns         6396
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0729
_refine_ls_R_factor_gt           0.0548
_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^)+(0.0738P)^2^+1.2872P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1408
_refine_ls_wR_factor_ref         0.1540
_reflns_number_gt                4980
_reflns_number_total             6396
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om061087lsi20070128_032918.cif
_cod_data_source_block           ag6
_cod_original_cell_volume        2095.6(3)
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C50 H53 N2 O2.50 Ti'
_cod_database_code               4072847