Copper-catalyzed aerobic spirocyclization of biaryl-N-H-imines via 1,4-aminooxygenation of benzene rings.
Tnay, Ya Lin; Chen, Cheng; Chua, Yi Yuan; Zhang, Line; Chiba, Shunsuke; Organic letters 14 (2012) 3550–3553; doi:10.1021/ol301583y

data_1507893
_publ_contact_author
;
Dr Shunsuke Chiba
Division of Chemistry and Biological Chemistry
School of Physical and Mathematical Sciences
Nanyang Technological University
21 Nanyang Link
Singapore 637371
Singapore
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_publ_section_title
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 Copper-catalyzed aerobic spirocyclization of biaryl-N-H-imines via
 1,4-aminooxygenation of benzene rings.
;
_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              3550
_journal_page_last               3553
_journal_paper_doi               10.1021/ol301583y
_journal_volume                  14
_journal_year                    2012
_chemical_absolute_configuration unk
_chemical_formula_sum            'C28 H19 N O'
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_symmetry_space_group_name_H-M   'C 1 2 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                 111.942(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.8671(5)
_cell_length_b                   11.2207(4)
_cell_length_c                   12.8259(5)
_cell_measurement_reflns_used    3326
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      31.61
_cell_measurement_theta_min      2.34
_cell_volume                     1984.62(13)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
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_diffrn_reflns_limit_k_min       -16
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_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            14277
_diffrn_reflns_theta_full        32.38
_diffrn_reflns_theta_max         32.38
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9703
_exptl_absorpt_correction_T_min  0.9695
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             808
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_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0914P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1270
_refine_ls_wR_factor_ref         0.1388
_reflns_number_gt                3165
_reflns_number_total             3687
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol301583y_si_004.cif
_cod_data_source_block           (+)-3qa
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

 Adding full bibliography for 1507891--1507894.cif.
;
_cod_original_cell_volume        1984.62(12)
_cod_original_sg_symbol_H-M      C2
_cod_database_code               1507893