Unexpected N-glycosidation reaction of glycals with 1-amino-anthracene: structure revision and application to the synthesis of new analogues of marmycin A.
Zhang, Xuefeng; Jiang, Xiaolong; Ding, Chunyong; Yao, Qizheng; Zhang, Ao; Organic & biomolecular chemistry 11 (2013) 1383–1389; doi:10.1039/c2ob27020j

data_7152793
_publ_section_title
;
 Unexpected N-glycosidation reaction of glycals with 1-amino-anthracene:
 structure revision and application to the synthesis of new analogues of
 marmycin A.
;
_journal_issue                   8
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1383
_journal_page_last               1389
_journal_paper_doi               10.1039/c2ob27020j
_journal_volume                  11
_journal_year                    2013
_chemical_absolute_configuration ad
_chemical_formula_sum            'C22 H20 Cl3 N O3'
_chemical_formula_weight         452.74
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 112.242(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.5901(8)
_cell_length_b                   13.7587(13)
_cell_length_c                   9.4392(9)
_cell_measurement_reflns_used    4066
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      55.958
_cell_measurement_theta_min      5.469
_cell_volume                     1032.60(17)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0231
_diffrn_reflns_av_sigmaI/netI    0.0297
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5629
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    0.468
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.85964
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.456
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.358
_exptl_crystal_size_mid          0.311
_exptl_crystal_size_min          0.257
_refine_diff_density_max         0.192
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.09(5)
_refine_ls_extinction_coef       0.063(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         3234
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0322
_refine_ls_R_factor_gt           0.0315
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0442P)^2^+0.1579P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0814
_refine_ls_wR_factor_ref         0.0820
_reflns_number_gt                3153
_reflns_number_total             3234
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ob27020j.txt
_cod_data_source_block           cd21198
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7152793