Control of a Chiral Property of a Calix[3]aramide: The Racemization Suppressed by Intramolecular Cyclic Hydrogen Bonds and DMSO-H2O System-Induced Spontaneous Resolution.
Katagiri, Kosuke; Komagawa, Shinsuke; Uchiyama, Masanobu; Yamaguchi, Kentaro; Azumaya, Isao; Organic letters 17 (2015) 3650–3653; doi:10.1021/acs.orglett.5b01455

data_1529868
_publ_section_title
;
 Control of a Chiral Property of a Calix[3]aramide: The Racemization
 Suppressed by Intramolecular Cyclic Hydrogen Bonds and DMSO-H2O
 System-Induced Spontaneous Resolution.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3650
_journal_page_last               3653
_journal_paper_doi               10.1021/acs.orglett.5b01455
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C67 H65 N6 O8 P3'
_chemical_formula_weight         1175.16
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                94.518(5)
_cell_angle_beta                 91.104(5)
_cell_angle_gamma                100.582(5)
_cell_formula_units_Z            2
_cell_length_a                   13.721(5)
_cell_length_b                   14.840(6)
_cell_length_c                   15.073(6)
_cell_measurement_reflns_used    4472
_cell_measurement_temperature    100
_cell_measurement_theta_max      23.88
_cell_measurement_theta_min      2.24
_cell_volume                     3006(2)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.890
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0514
_diffrn_reflns_av_sigmaI/netI    0.0773
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            29925
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         26.83
_diffrn_reflns_theta_min         1.36
_exptl_absorpt_coefficient_mu    0.161
_exptl_absorpt_correction_T_max  0.9841
_exptl_absorpt_correction_T_min  0.9841
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.298
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1236
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.387
_refine_diff_density_min         -0.390
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.985
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     774
_refine_ls_number_reflns         11481
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0850
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0579P)^2^+0.4297P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1078
_refine_ls_wR_factor_ref         0.1235
_reflns_number_gt                7538
_reflns_number_total             11481
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol5b01455_si_001.cif
_cod_data_source_block           compound1b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 
;
_cod_original_cell_volume        3006.0(19)
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               1529868