Enantiomerically Pure [2.2]Paracyclophane-4-thiol: A Planar Chiral Sulfur-Based Building Block Readily Available by Resolution with an Amino Acid Chiral Auxiliary.
Vincent, Adrien; Deschamps, Damien; Martzel, Thomas; Lohier, Jean-François; Richards, Christopher J.; Gaumont, Annie-Claude; Perrio, Stéphane; The Journal of organic chemistry 81 (2016) 3961–3966; doi:10.1021/acs.joc.6b00560

data_4036797
_publ_section_title
;
 Enantiomerically Pure [2.2]Paracyclophane-4-thiol: A Planar Chiral
 Sulfur-Based Building Block Readily Available by Resolution with an Amino
 Acid Chiral Auxiliary.
;
_journal_issue                   9
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              3961
_journal_page_last               3966
_journal_paper_doi               10.1021/acs.joc.6b00560
_journal_volume                  81
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C30 H29 N O3 S'
_chemical_formula_sum            'C30 H29 N O3 S'
_chemical_formula_weight         483.60
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.0240(10)
_cell_length_b                   11.6615(10)
_cell_length_c                   19.3697(16)
_cell_measurement_reflns_used    9735
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      35.10
_cell_measurement_theta_min      2.73
_cell_volume                     2490.1(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.937
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0334
_diffrn_reflns_av_unetI/netI     0.0269
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.937
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            69506
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.894
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         35.950
_diffrn_reflns_theta_min         2.038
_exptl_absorpt_coefficient_mu    0.163
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_description       polyhedron
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.432
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details
;
 Flack x determined using 3815 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.000(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         10509
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0404
_refine_ls_R_factor_gt           0.0324
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0461P)^2^+0.2895P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0785
_refine_ls_wR_factor_ref         0.0825
_reflns_Friedel_coverage         0.733
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.840
_reflns_number_gt                9490
_reflns_number_total             10509
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b00560_si_002.cif
_cod_data_source_block           av1p47f_0m
_cod_database_code               4036797
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              10884
_shelx_hkl_checksum              65509