Enantioselective Synthesis of Dideoxy-tetrafluorinated Hexoses.
Golten, Samuel; Fontenelle, Clément Q; Timofte, Roxana S.; Bailac, Laura; Light, Mark; Sebban, Muriel; Oulyadi, Hassan; Linclau, Bruno; The Journal of organic chemistry 81 (2016) 4434–4453; doi:10.1021/acs.joc.6b00302

data_4036682
_publ_section_title
;
 Enantioselective Synthesis of Dideoxy-tetrafluorinated Hexoses.
;
_journal_issue                   11
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4434
_journal_page_last               4453
_journal_paper_doi               10.1021/acs.joc.6b00302
_journal_volume                  81
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C13 H14 F4 O4'
_chemical_formula_sum            'C13 H14 F4 O4'
_chemical_formula_weight         310.24
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2016-01-13
_audit_creation_method
;
Olex2 1.2-alpha
(compiled 2015.11.10 svn.r3248 for OlexSys, GUI svn.r5133)
;
_cell_angle_alpha                90
_cell_angle_beta                 104.753(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.4477(2)
_cell_length_b                   6.0345(2)
_cell_length_c                   13.8768(4)
_cell_measurement_reflns_used    9744
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     684.09(3)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0450
_diffrn_reflns_av_unetI/netI     0.0603
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9332
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        27.500
_diffrn_reflns_theta_max         27.509
_diffrn_reflns_theta_min         3.036
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.144
_exptl_absorpt_correction_T_max  0.9942
_exptl_absorpt_correction_T_min  0.9717
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS V2.10 (Sheldrick, G.M., 2003)
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.506
_exptl_crystal_density_meas      x
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Slab
_exptl_crystal_F_000             320
_exptl_crystal_recrystallization_method
'The material was recrystallised from --- by slow evaporation'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details
;
 Flack x determined using 1092 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.9(5)
_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     198
_refine_ls_number_reflns         3109
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0505
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0264P)^2^+0.2008P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0926
_refine_ls_wR_factor_ref         0.0991
_reflns_Friedel_coverage         0.823
_reflns_Friedel_fraction_full    0.994
_reflns_Friedel_fraction_max     0.992
_reflns_number_gt                2752
_reflns_number_total             3109
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b00302_si_001.cif
_cod_data_source_block           Compound_58
_cod_database_code               4036682
_shelx_estimated_absorpt_t_max   0.994
_shelx_estimated_absorpt_t_min   0.972
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Ternary CH refined with riding coordinates:
 C9(H9), C10(H10), C13(H13)
2.b Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C8(H8A,H8B)
2.c Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3A), C4(H4A), C5(H5)
;
_olex2_date_sample_data_collection 2010-08-04
_olex2_date_sample_submission    2010-08-04
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a glass fibre in perfluoroether oil'
_olex2_submission_original_sample_id SG/5839/14-ReC
_olex2_submission_special_instructions 'No special instructions were received'