Chiral octahedral complexes of Co(III) as catalysts for asymmetric epoxidation of chalcones under phase transfer conditions.
Larionov, Vladimir A.; Markelova, Elina P.; Smol’yakov, Alexander F.; Savel’yeva, Tat’yana F.; Maleev, Victor I.; Belokon, Yuri N.; RSC Adv.  (2015) –; doi:10.1039/C5RA11760G

data_7221862
_publ_section_title
;
 Chiral octahedral complexes of Co(III) as catalysts for asymmetric
 epoxidation of chalcones under phase transfer conditions.
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA11760G
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C23 H16 O2'
_chemical_formula_sum            'C23 H16 O2'
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_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2015-06-17 deposited with the CCDC.
2015-08-20 downloaded from the CCDC.
;
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_cell_angle_gamma                90
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_cell_length_c                   20.528(3)
_cell_measurement_reflns_used    204
_cell_measurement_temperature    120(2)
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_cell_measurement_theta_min      3
_cell_volume                     1590.6(4)
_computing_cell_refinement       'Bruker SAINT'
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_computing_molecular_graphics    'Bruker SHELXTL'
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_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Bruker APEX II CCD area detector''
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           CuK\a
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_refine_ls_abs_structure_details
;
 Flack x determined using 970 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.00(11)
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.2000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_Friedel_fraction_max     0.949
_reflns_number_gt                2508
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