Naphthalene proton sponges as hydride donors: diverse appearances of the tert-amino-effect.
Pozharskii, Alexander F.; Povalyakhina, Maria A.; Degtyarev, Alexander V.; Ryabtsova, Oxana V.; Ozeryanskii, Valery A.; Dyablo, Olga V.; Tkachuk, Anna V.; Kazheva, Olga N.; Chekhlov, Anatolii N.; Dyachenko, Oleg A.; Organic & biomolecular chemistry 9 (2011) 1887–1900; doi:10.1039/C0OB00899K

data_7151713
_publ_section_title
;
 Naphthalene proton sponges as hydride donors: diverse appearances of
 the tert-amino-effect.
;
_journal_issue                   6
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1887
_journal_page_last               1900
_journal_paper_doi               10.1039/C0OB00899K
_journal_volume                  9
_journal_year                    2011
_chemical_formula_sum            'C16 H18 N2 O2'
_chemical_formula_weight         270.32
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 109.94(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.333(2)
_cell_length_b                   10.094(2)
_cell_length_c                   11.308(4)
_cell_measurement_temperature    293(2)
_cell_volume                     1430.6(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0182
_diffrn_reflns_av_sigmaI/netI    0.0214
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2635
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.255
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.130
_refine_diff_density_min         -0.149
_refine_diff_density_rms         0.027
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.214
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         2508
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.214
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0468
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0690P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1245
_refine_ls_wR_factor_ref         0.1347
_reflns_number_gt                1678
_reflns_number_total             2508
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0OB00899K.TXT
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7151713