An efficient and straightforward access to sulfur substituted [2.2]paracyclophanes: application to stereoselective sulfenate salt alkylation.
Lohier, Jean-François; Foucoin, Florian; Jaffrès, Paul-Alain; Garcia, José I; Sopková-de Oliveira Santos, Jana; Perrio, Stéphane; Metzner, Patrick; Organic letters 10 (2008) 1271–1274; doi:10.1021/ol800161m

data_1504595
_publ_section_title
;
 An efficient and straightforward access to sulfur substituted
 [2.2]paracyclophanes: application to stereoselective sulfenate salt
 alkylation.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1271
_journal_page_last               1274
_journal_paper_doi               10.1021/ol800161m
_journal_volume                  10
_journal_year                    2008
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C18 H20 O S'
_chemical_formula_sum            'C18 H20 O S'
_chemical_formula_weight         284.40
_chemical_melting_point          374(2)
_chemical_name_systematic
;
 (Sp,Ss)*-4-ethylsulfinyl-[2.2]-paracyclophane
;
_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                 91.457(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.5982(5)
_cell_length_b                   8.7362(3)
_cell_length_c                   11.1429(4)
_cell_measurement_reflns_used    7232
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.45
_cell_measurement_theta_min      2.61
_cell_volume                     1517.94(9)
_computing_cell_refinement       'APEX2 software'
_computing_data_collection       'APEX2 software'
_computing_data_reduction        'APEX2 software'
_computing_molecular_graphics    'Mercury (Macrae <i>et al.</i>, 2007)'
_computing_publication_material  'SHELXTL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Nonius ApexII KappaCCD'
_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  0.0327
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            50552
_diffrn_reflns_theta_full        35.88
_diffrn_reflns_theta_max         35.88
_diffrn_reflns_theta_min         2.61
_exptl_absorpt_coefficient_mu    0.207
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedron
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.263
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.991
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     261
_refine_ls_number_reflns         7105
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.991
_refine_ls_R_factor_all          0.1160
_refine_ls_R_factor_gt           0.0478
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0725P)^2^+0.1923P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1242
_refine_ls_wR_factor_ref         0.1610
_reflns_number_gt                3509
_reflns_number_total             7105
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol800161m-file003.cif
_cod_data_source_block           9c
_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               1504595