Divergent and regioselective synthesis of 1,2,4- and 1,2,5-trisubstituted imidazoles.
Delest, Bruno; Nshimyumukiza, Prosper; Fasbender, Olivier; Tinant, Bernard; Marchand-Brynaert, Jacqueline; Darro, Francis; Robiette, Raphaël; The Journal of organic chemistry 73 (2008) 6816–6823; doi:10.1021/jo801256b

data_4029586
_publ_section_title
;
 Divergent and regioselective synthesis of 1,2,4- and 1,2,5-trisubstituted
 imidazoles.
;
_journal_issue                   17
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              6816
_journal_page_last               6823
_journal_paper_doi               10.1021/jo801256b
_journal_volume                  73
_journal_year                    2008
_chemical_formula_sum            'C11 H12 I N3 O2 S2'
_chemical_formula_weight         409.25
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.272(4)
_cell_length_b                   15.108(4)
_cell_length_c                   15.194(4)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.
_cell_measurement_theta_min      3.
_cell_volume                     3046.6(15)
_computing_cell_refinement       MAR
_computing_data_collection       MAR
_computing_data_reduction        MARHKL
_computing_molecular_graphics    'PLUTON (Spek, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 6.66
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'MAR345 image plate'
_diffrn_measurement_method       '168 images, \D\F 3\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'RU200 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.051
_diffrn_reflns_av_sigmaI/netI    0.0230
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            58504
_diffrn_reflns_theta_full        25.36
_diffrn_reflns_theta_max         25.36
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    2.377
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.785
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelipiped
_exptl_crystal_F_000             1600
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.395
_refine_diff_density_min         -0.475
_refine_diff_density_rms         0.132
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.017(19)
_refine_ls_extinction_coef       0.0034(2)
_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   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     344
_refine_ls_number_reflns         5573
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0269
_refine_ls_R_factor_gt           0.0262
_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^)+(0.0357P)^2^+3.7516P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0733
_refine_ls_wR_factor_ref         0.0738
_reflns_number_gt                5448
_reflns_number_total             5573
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo801256b_si_001.cif
_cod_data_source_block           of03
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value ' orthorhombic ' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      ' P 21 21 21 '
_cod_database_code               4029586
_cod_duplicate_entry 4023664