Studies toward the Total Synthesis of Nagelamide K.
Jiang, Biao; Wang, Jue; Huang, Zuo-Gang; Organic letters 14 (2012) 2070–2073; doi:10.1021/ol3005886

data_1507605
_publ_section_title
;
 Studies toward the Total Synthesis of Nagelamide K.
;
_journal_issue                   8
_journal_name_full               'Organic letters'
_journal_page_first              2070
_journal_page_last               2073
_journal_paper_doi               10.1021/ol3005886
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C18 H24 N6 O8 S2'
_chemical_formula_weight         516.55
_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                 97.257(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.3058(9)
_cell_length_b                   13.4880(16)
_cell_length_c                   23.950(3)
_cell_measurement_reflns_used    5350
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      56.573
_cell_measurement_theta_min      5.962
_cell_volume                     2341.1(5)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0320
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            12334
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.284
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.70615
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.466
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.378
_exptl_crystal_size_mid          0.311
_exptl_crystal_size_min          0.269
_refine_diff_density_max         0.451
_refine_diff_density_min         -0.321
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         4567
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0564
_refine_ls_R_factor_gt           0.0486
_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^)+(0.0739P)^2^+0.8141P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1307
_refine_ls_wR_factor_ref         0.1369
_reflns_number_gt                3840
_reflns_number_total             4567
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol3005886_si_003.cif
_cod_data_source_block           cd21164
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2341.2(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1507605