Solid-phase approach to tetrahydroquinolones using a sulfur linker cleaved by SmI2.
Turner, Kristy L.; Baker, Thomas M.; Islam, Saidul; Procter, David J.; Stefaniak, Mark; Organic letters 8 (2006) 329–332; doi:10.1021/ol052730n

data_1505839
_publ_contact_author
;

    Madeleine Helliwell 

;
_publ_section_title
;
 Solid-phase approach to tetrahydroquinolones using a sulfur linker
 cleaved by SmI2.
;
_journal_issue                   2
_journal_name_full               'Organic letters'
_journal_page_first              329
_journal_page_last               332
_journal_paper_doi               10.1021/ol052730n
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C19 H25 N O3'
_chemical_formula_weight         315.40
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 95.950(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.9879(17)
_cell_length_b                   13.5965(16)
_cell_length_c                   8.7184(10)
_cell_measurement_reflns_used    2867
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.36
_cell_measurement_theta_min      2.73
_cell_volume                     1767.1(4)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0246
_diffrn_reflns_av_sigmaI/netI    0.0302
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            9922
_diffrn_reflns_theta_full        26.38
_diffrn_reflns_theta_max         26.38
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.9613
_exptl_absorpt_correction_T_min  0.9539
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.186
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.50
_refine_diff_density_max         0.213
_refine_diff_density_min         -0.170
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         3584
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0658
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0529P)^2^+0.4432P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1063
_refine_ls_wR_factor_ref         0.1167
_reflns_number_gt                2644
_reflns_number_total             3584
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol052730nsi20051110_044913.cif
_cod_data_source_block           z:\s2168\work\s2168abs
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1505839