Stereocontrolled synthesis of fully functionalized D-glucosamine monosaccharides via a domino nitro-Michael/Henry reaction.
Adibekian, Alexander; Timmer, Mattie S M; Stallforth, Pierre; van Rijn, Jimmy; Werz, Daniel B; Seeberger, Peter H; Chemical communications (Cambridge, England)  (2008) 3549–3551; doi:10.1039/b805159c

data_7103267
_publ_section_title
;
 Stereocontrolled synthesis of fully functionalized D-glucosamine
 monosaccharides via a domino nitro-Michael/Henry reaction.
;
_journal_issue                   30
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3549
_journal_page_last               3551
_journal_paper_doi               10.1039/b805159c
_journal_year                    2008
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C15 H19 N O7'
_chemical_formula_sum            'C15 H19 N O7'
_chemical_formula_weight         325.31
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 106.251(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.1806(4)
_cell_length_b                   4.7874(9)
_cell_length_c                   12.9169(2)
_cell_measurement_reflns_used    1030
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      21.97
_cell_measurement_theta_min      2.61
_cell_volume                     1554.3(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Kappa CCD'
_computing_data_reduction        'Denzo + Scalepak (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP (Johnson,1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et Al., 1997)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Kappa CCD'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0350
_diffrn_reflns_av_sigmaI/netI    0.0575
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            1816
_diffrn_reflns_theta_full        21.97
_diffrn_reflns_theta_max         21.97
_diffrn_reflns_theta_min         2.61
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.390
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Cut fragment'
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.170
_refine_diff_density_min         -0.173
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_coef       0.010(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         1070
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0529
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0631P)^2^+1.0159P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1130
_refine_ls_wR_factor_ref         0.1184
_reflns_number_gt                942
_reflns_number_total             1070
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b805159c.txt
_cod_data_source_block           timm2_seebe_05
_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      'C 2'
_cod_database_code               7103267