Complications from Dual Roles of Sodium Hydride as a Base and as a Reducing Agent
Dusan Hesek; Mijoon Lee; Bruce C. Noll; Jed F. Fisher; Shahriar Mobashery; Journal of Organic Chemistry 74 (2009) 2567–2570; doi:10.1021/jo802706d

data_4024412
_publ_contact_author_address
;University of Notre Dame
Department of Chemistry and Biochemistry
251 Nieuwland Science Hall
Notre Dame, IN 46556-5670
USA
;
_publ_contact_author_email       mobashery@nd.edu
_publ_contact_author_fax         1(574)6316652
_publ_contact_author_name        'Professor Shahriar Mobashery'
_publ_contact_author_phone       1(574)6312933
_publ_section_title
;
Complications from Dual Roles of Sodium Hydride as a Base and as a Reducing
Agent
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2567
_journal_page_last               2570
_journal_paper_doi               10.1021/jo802706d
_journal_volume                  74
_journal_year                    2009
_chemical_compound_source        synthesized
_chemical_formula_moiety         'C18 H20 N2'
_chemical_formula_sum            'C18 H20 N2'
_chemical_formula_weight         264.36
_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_creation_method           SHELXL-97
_cell_angle_alpha                111.414(2)
_cell_angle_beta                 99.719(2)
_cell_angle_gamma                91.631(2)
_cell_formula_units_Z            2
_cell_length_a                   9.0162(4)
_cell_length_b                   9.5201(4)
_cell_length_c                   9.5212(4)
_cell_measurement_reflns_used    5902
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.7441
_cell_measurement_theta_min      5.0008
_cell_volume                     746.29(6)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2007; Sheldrick, 2008)'
_computing_molecular_graphics    'XP (Sheldrick, 2008)'
_computing_publication_material  'XCIF (Sheldrick, 2008)/enCIFer (CCDC, 2005)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.937
_diffrn_measured_fraction_theta_max 0.937
_diffrn_measurement_device_type  'Bruker SMART Apex CCD diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0158
_diffrn_reflns_av_sigmaI/netI    0.0161
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            9428
_diffrn_reflns_theta_full        69.46
_diffrn_reflns_theta_max         69.46
_diffrn_reflns_theta_min         5.00
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Siemens KFCU2K-90'
_exptl_absorpt_coefficient_mu    0.530
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.92
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Sheldrick, G. M. (2008) SADABS. UNiversity of G\"ottingen, Germany.'
_exptl_crystal_colour            'clear colorless'
_exptl_crystal_density_diffrn    1.176
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             284
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.239
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2631
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0386
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0494P)^2^+0.2799P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0989
_refine_ls_wR_factor_ref         0.1006
_reflns_number_gt                2470
_reflns_number_total             2631
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo802706d_si_002.cif
_cod_data_source_block           compound_7
_cod_database_code               4024412