The facile alkylation and iodination of imidazol(in)ium salts in the presence of cesium carbonate
Mazars, François; Zaragoza, Guillermo; Delaude, Lionel; Chemical Communications  (2023) –; doi:10.1039/D3CC04971J

data_7132307
_publ_section_title
;
 The facile alkylation and iodination of imidazol(in)ium salts in the
 presence of cesium carbonate
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D3CC04971J
_journal_year                    2023
_chemical_formula_moiety         'C29 H41 N2, 2(C H Cl3), I'
_chemical_formula_sum            'C31 H43 Cl6 I N2'
_chemical_formula_weight         783.27
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   dual
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_audit_update_record
;
2023-10-09 deposited with the CCDC.	2023-11-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.986(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.5644(10)
_cell_length_b                   44.896(3)
_cell_length_c                   9.5243(5)
_cell_measurement_reflns_used    9944
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.88
_cell_measurement_theta_min      2.56
_cell_measurement_wavelength     0.71073
_cell_volume                     7418.4(8)
_computing_cell_refinement       'SAINT V8.40B (Bruker AXS LLC, 2019)'
_computing_data_collection       'APPEX3v2022.1-1 (BRUKER AXS, 2021)'
_computing_data_reduction        'SAINT V8.40B (Bruker AXS LLC, 2019)'
_computing_molecular_graphics    'Ortep for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2019/1 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT-2018/2 (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 VENTURE PHOTON III-14'
_diffrn_measurement_method       'omega and phi'
_diffrn_radiation_monochromator  'Incoatec multilayer mirror'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0725
_diffrn_reflns_av_unetI/netI     0.0408
_diffrn_reflns_Laue_measured_fraction_full 0.999
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_diffrn_reflns_limit_h_max       22
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_diffrn_reflns_limit_k_max       57
_diffrn_reflns_limit_k_min       -57
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_diffrn_reflns_limit_l_min       -12
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_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.103
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_diffrn_source                   'INCOATEC microfocus sealed tube'
_diffrn_source_type              'Incoatec I\mS 3.0'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.318
_exptl_absorpt_correction_T_max  0.9420
_exptl_absorpt_correction_T_min  0.8913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS-2016/2'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3184
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.562
_refine_diff_density_min         -1.197
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.226
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     795
_refine_ls_number_reflns         16362
_refine_ls_number_restraints     76
_refine_ls_restrained_S_all      1.232
_refine_ls_R_factor_all          0.0791
_refine_ls_R_factor_gt           0.0651
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+39.3604P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.127
_refine_ls_wR_factor_ref         0.1326
_reflns_Friedel_coverage         0
_reflns_number_gt                13715
_reflns_number_total             16362
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3cc04971j2.cif
_cod_data_source_block           DIBE064
_cod_original_cell_volume        7418.4(7)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7132307
_shelx_estimated_absorpt_t_min   0.797
_shelx_estimated_absorpt_t_max   0.937
_shelx_shelxl_version_number     2019/1
_shelx_res_checksum              23918
_shelx_hkl_checksum              63460