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_7013320
_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 H50 N2'
_chemical_formula_sum            'C31 H50 N2'
_chemical_formula_weight         450.73
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      29
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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             2003-07-27T22:10:12-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.086(2)
_cell_length_b                   11.236(2)
_cell_length_c                   16.069(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      17.2
_cell_measurement_theta_min      9.9
_cell_measurement_wavelength     0.71073
_cell_volume                     2904.3(8)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_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      203(2)
_diffrn_detector                 'scintillation LiI'
_diffrn_detector_dtime           1.195
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       'non-profiled omega scans'
_diffrn_orient_matrix_type
;
x-axis points to radiation source
the matrix is specified in reciprocal space
;
_diffrn_orient_matrix_UB_11      0.56365E-1
_diffrn_orient_matrix_UB_12      0.30509E-1
_diffrn_orient_matrix_UB_13      0.37268E-1
_diffrn_orient_matrix_UB_21      0.64495E-1
_diffrn_orient_matrix_UB_22      -0.6359E-2
_diffrn_orient_matrix_UB_23      -0.42395E-1
_diffrn_orient_matrix_UB_31      -0.24165E-1
_diffrn_orient_matrix_UB_32      0.53868E-1
_diffrn_orient_matrix_UB_33      -0.26046E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0501
_diffrn_reflns_av_unetI/netI     0.0579
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5196
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         1.81
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        -28
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.059
_exptl_absorpt_correction_T_max  0.9794
_exptl_absorpt_correction_T_min  0.9287
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
North A.C.T., Phillips D.C. & Mathews F.S. (1968) Acta. Cryst. A24, 351
Number of psi-scan sets used was   5
Theta correction was applied.
Averaged transmission function was used.
Fourier smoothing - Window value   3
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.031
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.175
_refine_diff_density_min         -0.145
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     306
_refine_ls_number_reflns         2657
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0896
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0653P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1121
_refine_ls_wR_factor_ref         0.1281
_reflns_number_gt                1791
_reflns_number_total             2657
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b306401h.txt
_cod_data_source_block           3a
_cod_database_code               7013320
_exptl_absorpt_factor_mur        0.015
_exptl_absorpt_correction_t_ave  0.9437
_diffrn_standards_decay_corr_max 1.025
_diffrn_standards_decay_corr_min 0.648