Synthesis of d-Galactosamine and d-Allosamine Derivatives via a Microwave-Assisted Preparation of 1,6-Anhydroglucosamine.
Dhurandhare, Vijay M.; Wen, Yuh-Sheng; Gawande, Sachin D.; Liao, Pin-Hsuan; Wang, Cheng-Chung; The Journal of organic chemistry 81 (2016) 11521–11528; doi:10.1021/acs.joc.6b02038

data_4037340
_publ_section_title
;
 Synthesis of d-Galactosamine and d-Allosamine Derivatives via a
 Microwave-Assisted Preparation of 1,6-Anhydroglucosamine.
;
_journal_issue                   22
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              11521
_journal_page_last               11528
_journal_paper_doi               10.1021/acs.joc.6b02038
_journal_volume                  81
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C14 H26 Cl3 N O5 Si2'
_chemical_formula_sum            'C14 H26 Cl3 N O5 Si2'
_chemical_formula_weight         450.89
_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
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.4564(2)
_cell_length_b                   11.1358(2)
_cell_length_c                   20.3440(5)
_cell_measurement_reflns_used    9839
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      27.11
_cell_measurement_theta_min      2.83
_cell_volume                     2142.32(8)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100.0(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0213
_diffrn_reflns_av_unetI/netI     0.0222
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            19906
_diffrn_reflns_point_group_measured_fraction_full 0.978
_diffrn_reflns_point_group_measured_fraction_max 0.962
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         27.101
_diffrn_reflns_theta_min         2.002
_exptl_absorpt_coefficient_mu    0.563
_exptl_absorpt_correction_T_max  0.9703
_exptl_absorpt_correction_T_min  0.8847
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS, 1996'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.398
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.260
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.297
_refine_diff_density_min         -0.237
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 1731 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.005(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         4547
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0254
_refine_ls_R_factor_gt           0.0231
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0244P)^2^+0.6315P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0524
_refine_ls_wR_factor_ref         0.0535
_reflns_Friedel_coverage         0.693
_reflns_Friedel_fraction_full    0.948
_reflns_Friedel_fraction_max     0.914
_reflns_number_gt                4330
_reflns_number_total             4547
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b02038_si_002.cif
_cod_data_source_block           i14251
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4037340
_shelxl_version_number           2013-4
_shelx_res_checksum              74741
_shelx_hkl_checksum              13731