Arylthioureas with bromine or its equivalents gives no 'Hugerschoff' reaction product.
Yella, Ramesh; Murru, Siva; Ali, Abdur Rezzak; Patel, Bhisma K.; Organic & biomolecular chemistry 8 (2010) 3389–3393; doi:10.1039/c003892j

data_7153369
_publ_section_title
;
 Arylthioureas with bromine or its equivalents gives no 'Hugerschoff'
 reaction product.
;
_journal_issue                   15
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3389
_journal_page_last               3393
_journal_paper_doi               10.1039/c003892j
_journal_volume                  8
_journal_year                    2010
_chemical_formula_moiety         'C24 H28 Br2 N4 S'
_chemical_formula_sum            'C24 H28 Br2 N4 S'
_chemical_formula_weight         564.38
_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                 93.183(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2041(17)
_cell_length_b                   11.356(2)
_cell_length_c                   23.799(5)
_cell_measurement_reflns_used    5166
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.47
_cell_measurement_theta_min      2.48
_cell_volume                     2483.7(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.2249
_diffrn_reflns_av_sigmaI/netI    0.1754
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            36388
_diffrn_reflns_theta_full        28.40
_diffrn_reflns_theta_max         28.40
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    3.367
_exptl_absorpt_correction_T_max  0.714
_exptl_absorpt_correction_T_min  0.450
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   multi-scan
_exptl_crystal_density_diffrn    1.509
_exptl_crystal_density_meas      1.509
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.598
_refine_diff_density_min         -1.197
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.899
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         6128
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.899
_refine_ls_R_factor_all          0.1539
_refine_ls_R_factor_gt           0.0638
_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^)+(0.0100P)^2^+0.6910P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1170
_refine_ls_wR_factor_ref         0.1398
_reflns_number_gt                2368
_reflns_number_total             6128
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c003892j.txt
_cod_data_source_block           6a
_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      'P 21/c'
_cod_database_code               7153369