Enantioselective synthesis of 3-hydroxy oxindoles by ytterbium-catalysed decarboxylative addition of β-ketoacids to isatins.
Duan, Zhiqiang; Han, Jianlin; Qian, Ping; Zhang, Zirui; Wang, Yi; Pan, Yi; Organic & biomolecular chemistry 11 (2013) 6456–6459; doi:10.1039/c3ob41460d

data_7153118
_publ_section_title
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 Enantioselective synthesis of 3-hydroxy oxindoles by ytterbium-catalysed
 decarboxylative addition of \b-ketoacids to isatins.
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_journal_issue                   38
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              6456
_journal_page_last               6459
_journal_paper_doi               10.1039/c3ob41460d
_journal_volume                  11
_journal_year                    2013
_chemical_formula_moiety         'C23 H18 F N O3'
_chemical_formula_sum            'C23 H18 F N O3'
_chemical_formula_weight         375.38
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 109.254(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.9074(18)
_cell_length_b                   12.6049(12)
_cell_length_c                   17.3136(17)
_cell_measurement_temperature    296(2)
_cell_volume                     3689.5(6)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Smart Aepex CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0337
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13028
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.961
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1568.0
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.148
_refine_diff_density_min         -0.242
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         4589
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0769
_refine_ls_R_factor_gt           0.0476
_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^)+(0.0501P)^2^+0.6761P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1064
_refine_ls_wR_factor_ref         0.1216
_reflns_number_gt                3032
_reflns_number_total             4591
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ob41460d.txt
_cod_data_source_block           20130703cc_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        3689.4(6)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7153118