Borane and alane reductions of bulky N,N?-diaryl-1,3-diimines: structural characterization of products and intermediates in the diastereoselective synthesis of 1,3-diaminesElectronic supplementary information (ESI) available: preparative and characterization details; substructure of 5. See http://www.rsc.org/suppdata/dt/b3/b306401h/
Carey, David T.; Mair, Francis S.; Pritchard, Robin G.; Warren, John E.; Woods, Rebecca J.; Dalton Transactions  (2003) 3792–; doi:10.1039/b306401h

data_7013322
_publ_section_title
;
 Borane and alane reductions of bulky N,N?-diaryl-1,3-diimines:
 structural characterization of products and intermediates in the
 diastereoselective synthesis of 1,3-diaminesElectronic supplementary
 information (ESI) available: preparative and characterization details;
 substructure of 5. See http://www.rsc.org/suppdata/dt/b3/b306401h/
;
_journal_issue                   19
_journal_name_full               'Dalton Transactions'
_journal_page_first              3792
_journal_paper_doi               10.1039/b306401h
_journal_year                    2003
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C31 H48 N2'
_chemical_formula_sum            'C31 H48 N2'
_chemical_formula_weight         448.71
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.2
_audit_creation_date             2003-07-28T08:47:32-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                103.83(3)
_cell_angle_beta                 118.92(3)
_cell_angle_gamma                70.67(3)
_cell_formula_units_Z            2
_cell_length_a                   10.802(4)
_cell_length_b                   15.950(5)
_cell_length_c                   10.464(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      32.4
_cell_measurement_theta_min      15.4
_cell_measurement_wavelength     1.54178
_cell_volume                     1482.3(10)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.893
_diffrn_measured_fraction_theta_max 0.893
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0229
_diffrn_reflns_av_unetI/netI     0.0475
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5161
_diffrn_reflns_theta_full        65.72
_diffrn_reflns_theta_max         65.72
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    0.427
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.005
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.252
_refine_diff_density_min         -0.214
_refine_diff_density_rms         0.037
_refine_ls_extinction_coef       0.0070(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     315
_refine_ls_number_reflns         4590
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.1065
_refine_ls_R_factor_gt           0.0611
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1164P)^2^+0.2445P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1827
_refine_ls_wR_factor_ref         0.2159
_reflns_number_gt                2695
_reflns_number_total             4590
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b306401h.txt
_cod_data_source_block           4
_cod_database_code               7013322