An enantioselective synthesis of 2-aryl cycloalkanones by Sc-catalyzed carbon insertion.
Rendina, Victor L.; Moebius, David C.; Kingsbury, Jason S.; Organic letters 13 (2011) 2004–2007; doi:10.1021/ol200402m

data_1502086
_publ_section_title
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 An enantioselective synthesis of 2-aryl cycloalkanones by Sc-catalyzed
 carbon insertion.
;
_journal_issue                   8
_journal_name_full               'Organic letters'
_journal_page_first              2004
_journal_page_last               2007
_journal_paper_doi               10.1021/ol200402m
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C18 H26 O'
_chemical_formula_sum            'C18 H26 O'
_chemical_formula_weight         258.39
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.6684(17)
_cell_length_b                   6.0152(5)
_cell_length_c                   26.140(2)
_cell_measurement_reflns_used    9931
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.59
_cell_volume                     3092.6(4)
_computing_cell_refinement       'SAINT (Bruker, 2010)'
_computing_data_collection       'APEX2 (Bruker, 2010)'
_computing_data_reduction        'SAINT (Bruker, 2010)'
_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      143(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Kappa DUO CCD diffractometer'
_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
_diffrn_reflns_av_R_equivalents  0.0335
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_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            46273
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.56
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  0.9941
_exptl_absorpt_correction_T_min  0.9837
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G.M. (2008). SADABS v2008/1. Bruker AXS Inc. Madison, WI USA.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.110
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       plate
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.356
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.045
_refine_ls_extinction_coef       na
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         3712
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0694
_refine_ls_R_factor_gt           0.0525
_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^)+(0.0751P)^2^+1.6312P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1434
_refine_ls_wR_factor_ref         0.1573
_reflns_number_gt                2887
_reflns_number_total             3712
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol200402m_si_002.cif
_cod_data_source_block           C18H26O
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 1715 2011-07-08 13:25:40Z adriana 

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        3092.6(5)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               1502086