Antituberculosis agent diaportheone B: synthesis, absolute configuration assignment, and anti-TB activity of its analogues.
Siva Swaroop, Pandrangi; Raut, Gajanan N.; Gonnade, Rajesh G.; Verma, Priyanka; Gokhale, Rajesh S.; Srinivasa Reddy, D.; Organic & biomolecular chemistry 10 (2012) 5385–5394; doi:10.1039/c2ob25831e

data_7152436
_publ_section_title
;
 Antituberculosis agent diaportheone B: synthesis, absolute configuration
 assignment, and anti-TB activity of its analogues.
;
_journal_issue                   28
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5385
_journal_page_last               5394
_journal_paper_doi               10.1039/c2ob25831e
_journal_volume                  10
_journal_year                    2012
_chemical_formula_moiety         'C12 H10 Br2 O4'
_chemical_formula_sum            'C12 H10 Br2 O4'
_chemical_formula_weight         378.02
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.440(3)
_cell_angle_beta                 97.440(3)
_cell_angle_gamma                102.311(3)
_cell_formula_units_Z            4
_cell_length_a                   7.6833(5)
_cell_length_b                   12.1129(8)
_cell_length_c                   13.7371(9)
_cell_measurement_reflns_used    9925
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.645
_cell_measurement_theta_min      2.489
_cell_volume                     1222.16(14)
_computing_cell_refinement       'BRUKER SAINT'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SAINT'
_computing_molecular_graphics    'SHELXTL, ORTEP3'
_computing_publication_material  'SHELXTL, PLATON'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'BRUKER SMART APEX II'
_diffrn_measurement_device_type  'CCD Area Detector'
_diffrn_measurement_method       'Omega and phi Scan'
_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  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0253
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            20413
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    6.636
_exptl_absorpt_correction_T_max  0.6538
_exptl_absorpt_correction_T_min  0.1186
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'bruker sadabs'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.054
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.682
_refine_diff_density_min         -0.638
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         5313
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0306
_refine_ls_R_factor_gt           0.0225
_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^)+(0.0221P)^2^+0.8800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0492
_refine_ls_wR_factor_ref         0.0521
_reflns_number_gt                4563
_reflns_number_total             5313
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ob25831e.txt
_cod_data_source_block           10
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7152436