Enantiomerically Pure Isophorone Diamine [3-(Aminomethyl)-3,5,5-trimethylcyclohexylamine]: A Chiral 1,4-Diamine Building Block Made Available on Large Scale
Albrecht Berkessel; Katrin Roland; Michael Schröder; Jörg M. Neudörfl; Johann Lex; Journal of Organic Chemistry 71 (2006) 9312–9318; doi:10.1021/jo0613737

data_4022138
_publ_section_title
;
 Enantiomerically Pure Isophorone Diamine
 [3-(Aminomethyl)-3,5,5-trimethylcyclohexylamine]: A Chiral
 1,4-Diamine Building Block Made Available on Large Scale
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9312
_journal_page_last               9318
_journal_paper_doi               10.1021/jo0613737
_journal_volume                  71
_journal_year                    2006
_chemical_formula_moiety         'C24 H28 Cl2 N2 O2'
_chemical_formula_sum            'C24 H28 Cl2 N2 O2'
_chemical_formula_weight         447.38
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.0048(3)
_cell_length_b                   14.5084(10)
_cell_length_c                   25.355(2)
_cell_measurement_reflns_used    9967
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      2.79
_cell_volume                     2209.0(3)
_computing_cell_refinement       'Nonius DENZO (Otwinowski, Minor 1997)'
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'Nonius DENZO (Otwinowski, Minor 1997)'
_computing_molecular_graphics    'SCHAKAL99 (E. Keller 1999)'
_computing_publication_material  'PLATON (A. L. Spek 1980-2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       Phi/Omega-Scans
_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  0.0577
_diffrn_reflns_av_sigmaI/netI    0.0955
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            9967
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    0.318
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.345
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             944
_exptl_crystal_size_max          .2
_exptl_crystal_size_mid          .05
_exptl_crystal_size_min          .02
_refine_diff_density_max         0.363
_refine_diff_density_min         -0.310
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.15(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.970
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     342
_refine_ls_number_reflns         4580
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.970
_refine_ls_R_factor_all          0.0905
_refine_ls_R_factor_gt           0.0495
_refine_ls_shift/su_max          0.023
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0372P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0877
_refine_ls_wR_factor_ref         0.0992
_reflns_number_gt                3122
_reflns_number_total             4580
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0613737si20060828_044628.cif
_cod_database_code               4022138