Synthesis of 2,3,4-Trideoxy-2,3,4-trifluoroglucose.
Quiquempoix, Lucas; Wang, Zhong; Graton, Jérôme; Latchem, Peter G.; Light, Mark; Le Questel, Jean-Yves; Linclau, Bruno; The Journal of organic chemistry 84 (2019) 5899–5906; doi:10.1021/acs.joc.9b00310

data_4034361
_publ_section_title
;
 Synthesis of 2,3,4-Trideoxy-2,3,4-trifluoroglucose.
;
_journal_issue                   9
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              5899
_journal_page_last               5906
_journal_paper_doi               10.1021/acs.joc.9b00310
_journal_volume                  84
_journal_year                    2019
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C6 H9 F3 O3'
_chemical_formula_sum            'C6 H9 F3 O3'
_chemical_formula_weight         186.13
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2016-09-07
_audit_creation_method
;
Olex2 1.2-alpha
(compiled 2016.08.25 svn.r3337 for OlexSys, GUI svn.r5221)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.48020(10)
_cell_length_b                   7.5663(2)
_cell_length_c                   18.5353(5)
_cell_measurement_reflns_used    5845
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.3280
_cell_measurement_theta_min      2.1870
_cell_volume                     768.56(3)
_computing_cell_refinement
;
'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
;
_computing_data_collection       'CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)'
_computing_data_reduction
;
'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
;
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku HG Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.945
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
--------------------------------------------------------------------------
  1  \w    -79.00  70.00   1.00   10.00    --  -19.00  18.00 150.00  149
  2  \w    -45.00  16.00   1.00   10.00    --  -19.00 -36.00   0.00   61
  3  \w     51.00  61.00   1.00   10.00    --  -19.00  18.00 -90.00   10
  4  \w   -109.00   5.00   1.00   10.00    --  -19.00 -18.00  30.00  114
  5  \w    -70.00  -2.00   1.00   10.00    --  -19.00 -72.00   0.00   68
;
_diffrn_measurement_device       'four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12 FRE-HF'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'MiTeGen MicroMesh'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0449263000
_diffrn_orient_matrix_UB_12      -0.0235464000
_diffrn_orient_matrix_UB_13      0.0345462000
_diffrn_orient_matrix_UB_21      0.1001461000
_diffrn_orient_matrix_UB_22      0.0438471000
_diffrn_orient_matrix_UB_23      0.0163655000
_diffrn_orient_matrix_UB_31      -0.0685936000
_diffrn_orient_matrix_UB_32      0.0795072000
_diffrn_orient_matrix_UB_33      0.0012176000
_diffrn_radiation_collimation    0.3
_diffrn_radiation_monochromator  'Confocal mirrors, HF Varimax'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0254
_diffrn_reflns_av_unetI/netI     0.0163
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.945
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            7151
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.921
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         30.718
_diffrn_reflns_theta_min         2.198
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.475
_diffrn_source_target            Mo
_diffrn_source_type              'Rotating Anode'
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.170
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.74036
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm.'
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.609
_exptl_crystal_description       slab
_exptl_crystal_F_000             384
_exptl_crystal_recrystallization_method
'The material was recrystallised from --- by slow evaporation'
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.326
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details
;
 Flack x determined using 807 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.1(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     117
_refine_ls_number_reflns         2192
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0344
_refine_ls_R_factor_gt           0.0335
_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^)+(0.0656P)^2^+0.0586P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0912
_refine_ls_wR_factor_ref         0.0921
_reflns_Friedel_coverage         0.648
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.885
_reflns_number_gt                2106
_reflns_number_total             2192
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b00310_si_002.cif
_cod_data_source_block           2016sot0070_k1_100k
_cod_database_code               4034361
_diffrn_measurement_device_type2 'Rigaku AFC12 (Right)'
_reflns_odcompleteness_completeness 94.40
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     30.65
_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:
 C2(H2A), C3(H3), C4(H4), C5(H5), C6(H6)
2.b Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B)
;
_shelx_shelxl_version_number     2014/7
_olex2_date_sample_submission    2016-09-06
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a MITIGEN holder with silicon oil'
_olex2_submission_original_sample_id LQ-107
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.840
_oxdiff_exptl_absorpt_empirical_full_min 0.512