Cobalt(iii) catalyzed C-8 selective C-H and C-O coupling of quinoline N-oxide with internal alkynes via C-H activation and oxygen atom transfer.
Barsu, Nagaraju; Sen, Malay; Premkumar, J. Richard; Sundararaju, Basker; Chemical communications (Cambridge, England) 52 (2016) 1338–1341; doi:10.1039/c5cc08736h

data_7118185
_publ_section_title
;
 Cobalt(iii) catalyzed C-8 selective C-H and C-O coupling of quinoline
 N-oxide with internal alkynes via C-H activation and oxygen atom
 transfer.
;
_journal_issue                   7
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1338
_journal_page_last               1341
_journal_paper_doi               10.1039/c5cc08736h
_journal_volume                  52
_journal_year                    2016
_chemical_formula_sum            'C29 H21 N O'
_chemical_formula_weight         399.47
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
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_symmetry_space_group_name_Hall  'P 2ac 2ab'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-10-09 deposited with the CCDC.
2015-11-23 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
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_cell_length_c                   17.293(4)
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_computing_cell_refinement       'Bruker SAINT'
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_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      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_limit_k_min       -13
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_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10700
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_diffrn_reflns_theta_max         25.38
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    0.077
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_exptl_absorpt_correction_T_min  0.9847
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   5(2)
_refine_ls_extinction_method     none
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_refine_ls_number_reflns         3767
_refine_ls_number_restraints     0
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_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0451
_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^)+(0.0478P)^2^+0.2935P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0966
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                3065
_reflns_number_total             3767
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc08736h2.cif
_cod_data_source_block           N_oxide
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Numerical' changed to
'numerical' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7118185.cif.
;
_cod_original_cell_volume        2058.7(8)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7118185