When is an imine not an imine? Unusual reactivity of a series of Cu(II) imine-pyridine complexes and their exploitation for the Henry reaction.
Cooper, Christine J.; Jones, Matthew D.; Brayshaw, Simon K.; Sonnex, Benjamin; Russell, Mark L.; Mahon, Mary F.; Allan, David R.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 3677–3682; doi:10.1039/c0dt01740j

data_7015573
_publ_section_title
;
 When is an imine not an imine? Unusual reactivity of a series of
 Cu(II) imine-pyridine complexes and their exploitation for the Henry
 reaction.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3677
_journal_page_last               3682
_journal_paper_doi               10.1039/c0dt01740j
_journal_volume                  40
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_sum            'C36 H40 Cu F6 N4 O8 S2'
_chemical_formula_weight         898.38
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_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                   21.106(5)
_cell_length_b                   21.106(5)
_cell_length_c                   8.547(3)
_cell_measurement_reflns_used    9754
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.6
_cell_measurement_theta_min      2.1
_cell_volume                     3807.4(18)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  Synchrotron
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_monochromator  Synchrotron
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.68890
_diffrn_reflns_av_R_equivalents  0.0419
_diffrn_reflns_av_sigmaI/netI    0.0318
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            37331
_diffrn_reflns_theta_full        26.74
_diffrn_reflns_theta_max         26.74
_diffrn_reflns_theta_min         2.65
_diffrn_source                   Synchrotron
_exptl_absorpt_coefficient_mu    0.770
_exptl_absorpt_correction_T_max  0.9773
_exptl_absorpt_correction_T_min  0.9481
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
'Jacobson, R. (1998) Private communication'
;
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.567
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1852
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.280
_refine_diff_density_min         -0.484
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.101(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         4433
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0435
_refine_ls_R_factor_gt           0.0413
_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^)+(0.0355P)^2^+2.0997P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0940
_refine_ls_wR_factor_ref         0.0958
_reflns_number_gt                4232
_reflns_number_total             4433
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt01740j.txt
_cod_data_source_block           secPh-alcohol
_cod_original_cell_volume        3807.5(20)
_cod_original_sg_symbol_H-M      P43212
_cod_database_code               7015573