Total Syntheses of Conformationally Locked Difluorinated Pentopyranose Analogues and a Pentopyranosyl Phosphate Mimetic
Jonathan A. L. Miles; Lisa Mitchell; Jonathan M. Percy; Kuldip Singh; E. Uneyama; Journal of Organic Chemistry 72 (2007) 1575–1587; doi:10.1021/jo0620258

data_4022658
_publ_section_title
;
 Total Syntheses of Conformationally Locked Difluorinated
 Pentopyranose Analogues and a Pentopyranosyl Phosphate Mimetic
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1575
_journal_page_last               1587
_journal_paper_doi               10.1021/jo0620258
_journal_volume                  72
_journal_year                    2007
_chemical_formula_moiety         'C15 H18 F2 O4'
_chemical_formula_sum            'C15 H18 F2 O4'
_chemical_formula_weight         300.29
_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                 106.126(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.5415(19)
_cell_length_b                   6.6332(8)
_cell_length_c                   13.9404(17)
_cell_measurement_reflns_used    554
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      18.494
_cell_measurement_theta_min      2.728
_cell_volume                     1380.6(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0967
_diffrn_reflns_av_sigmaI/netI    0.1057
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9657
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.73
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.198
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.844
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         2430
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.844
_refine_ls_R_factor_all          0.1050
_refine_ls_R_factor_gt           0.0514
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0062P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0661
_refine_ls_wR_factor_ref         0.0785
_reflns_number_gt                1414
_reflns_number_total             2430
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0620258si20060930_121956.cif
_cod_data_source_block           37
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4022658