Dihydroxyacetone Variants in the Organocatalytic Construction of Carbohydrates: Mimicking Tagatose and Fuculose Aldolases
Jeff T. Suri; Susumu Mitsumori; Klaus Albertshofer; Fujie Tanaka; Carlos F. Barbas III; Journal of Organic Chemistry 71 (2006) 3822–3828; doi:10.1021/jo0602017

data_4021690
_publ_section_title
;
 Dihydroxyacetone Variants in the Organocatalytic Construction of
 Carbohydrates: Mimicking Tagatose and Fuculose Aldolases
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3822
_journal_page_last               3828
_journal_paper_doi               10.1021/jo0602017
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C12 H20 O6'
_chemical_formula_weight         260.28
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.7123(11)
_cell_length_b                   11.521(2)
_cell_length_c                   19.939(4)
_cell_measurement_reflns_used    4675
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.5
_cell_measurement_theta_min      2.8
_cell_volume                     1312.2(4)
_computing_cell_refinement       'Bruker SAINT+'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT+'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(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         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0325
_diffrn_reflns_av_sigmaI/netI    0.0278
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9189
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.04
_diffrn_standards_decay_%        1%
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.9854
_exptl_absorpt_correction_T_min  0.9741
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1999)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Parallelepiped
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.213
_refine_diff_density_min         -0.174
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.3(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2314
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0424
_refine_ls_R_factor_gt           0.0356
_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^)+(0.0550P)^2^+0.0100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0856
_refine_ls_wR_factor_ref         0.0896
_reflns_number_gt                2013
_reflns_number_total             2314
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0602017si20060131_034653.cif
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' 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 
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_cod_database_code               4021690