Design, synthesis and optical resolution of new bifunctional ligand: 1,1'-dimethyl-octahydro-8,8'-biquinoline-7,7'-diol.
Xiao, Jian; Loh, Teck-Peng; Organic letters 11 (2009) 2876–2879; doi:10.1021/ol900790z

data_1503954
_publ_section_title
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 Design, synthesis and optical resolution of new bifunctional ligand:
 1,1'-dimethyl-octahydro-8,8'-biquinoline-7,7'-diol.
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_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              2876
_journal_page_last               2879
_journal_paper_doi               10.1021/ol900790z
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         'C18 H20 N2 O2'
_chemical_formula_sum            'C18 H20 N2 O2'
_chemical_formula_weight         296.36
_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                 97.350(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.4836(11)
_cell_length_b                   4.6090(2)
_cell_length_c                   15.6300(9)
_cell_measurement_reflns_used    4635
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.40
_cell_measurement_theta_min      2.53
_cell_volume                     1463.49(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0322
_diffrn_reflns_av_sigmaI/netI    0.0252
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12938
_diffrn_reflns_theta_full        30.55
_diffrn_reflns_theta_max         30.55
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.9825
_exptl_absorpt_correction_T_min  0.9739
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.345
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.425
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         2234
_refine_ls_number_restraints     62
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0554
_refine_ls_R_factor_gt           0.0470
_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^)+(0.0780P)^2^+0.7701P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1313
_refine_ls_wR_factor_ref         0.1442
_reflns_number_gt                1855
_reflns_number_total             2234
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol900790z_si_001.cif
_cod_data_source_block           ltp76
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1503954