Highly efficient oxidation of amines to imines by singlet oxygen and its application in Ugi-type reactions.
Jiang, Gaoxi; Chen, Jian; Huang, Jie-Sheng; Che, Chi-Ming; Organic letters 11 (2009) 4568–4571; doi:10.1021/ol9018166

data_1504169
_publ_section_title
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 Highly efficient oxidation of amines to imines by singlet oxygen and its
 application in Ugi-type reactions.
;
_journal_issue                   20
_journal_name_full               'Organic letters'
_journal_page_first              4568
_journal_page_last               4571
_journal_paper_doi               10.1021/ol9018166
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C25 H27 N3 O3'
_chemical_formula_weight         417.50
_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                 94.943(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7384(9)
_cell_length_b                   12.0080(12)
_cell_length_c                   19.3474(18)
_cell_measurement_reflns_used    2831
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      51.760
_cell_measurement_theta_min      5.398
_cell_volume                     2254.0(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0920
_diffrn_reflns_av_sigmaI/netI    0.0763
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            12062
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7575
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.409
_exptl_crystal_size_mid          0.251
_exptl_crystal_size_min          0.079
_refine_diff_density_max         0.176
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     287
_refine_ls_number_reflns         4418
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0860
_refine_ls_R_factor_gt           0.0630
_refine_ls_shift/su_max          0.027
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0661P)^2^+0.2740P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1515
_refine_ls_wR_factor_ref         0.1639
_reflns_number_gt                3225
_reflns_number_total             4418
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol9018166_si_001.cif
_cod_data_source_block           compound_6a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1504169