Environmentally benign and diastereoselective synthesis of 2,4,5-trisubstituted-2-imidazolines
Le Phuong, Hai Anh; Cseri, Levente; Whitehead, George F. S.; Garforth, Arthur; Budd, Peter; Szekely, Gyorgy; RSC Advances 7 (2017) 53278–; doi:10.1039/C7RA11827A

data_7229603
_publ_section_title
;
 Environmentally benign and diastereoselective synthesis of
 2,4,5-trisubstituted-2-imidazolines
;
_journal_issue                   84
_journal_name_full               'RSC Advances'
_journal_page_first              53278
_journal_paper_doi               10.1039/C7RA11827A
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C21 H15 F15 N2 S3'
_chemical_formula_sum            'C21 H15 F15 N2 S3'
_chemical_formula_weight         676.53
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     iterative
_audit_creation_date             2017-08-17
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5375)
;
_audit_update_record
;
2017-09-22 deposited with the CCDC.
2017-11-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.4162(15)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.2146(2)
_cell_length_b                   9.99845(16)
_cell_length_c                   20.3665(3)
_cell_measurement_reflns_used    14317
_cell_measurement_temperature    150.01(10)
_cell_measurement_theta_max      26.3450
_cell_measurement_theta_min      1.9050
_cell_volume                     2486.54(7)
_computing_cell_refinement       'CrysAlisPro 1.171.39.21a (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.39.21a (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.39.21a (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -71.00   7.00   1.00    1.00    --   17.60  29.00  -4.00   78
  2  \w    -71.00  27.00   1.00    1.00    --   17.60  43.00-180.00   98
  3  \w    -59.00 -33.00   1.00    1.00    --   17.60  60.00-120.00   26
  4  \w    -17.00 107.00   1.00    1.00    --   17.60  60.00-120.00  124
  5  \w    -72.00 107.00   1.00    1.00    --   17.60  14.00 120.00  179
  6  \w     17.00  97.00   1.00    1.00    --   17.60  60.00-150.00   80
  7  \w     72.00  98.00   1.00    1.00    --   17.60  29.00  -4.00   26
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC11 (RINC): quarter-chi single'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0060308000
_diffrn_orient_matrix_UB_12      -0.0028886000
_diffrn_orient_matrix_UB_13      0.0345242000
_diffrn_orient_matrix_UB_21      -0.0505895000
_diffrn_orient_matrix_UB_22      -0.0339661000
_diffrn_orient_matrix_UB_23      -0.0046092000
_diffrn_orient_matrix_UB_31      0.0278971000
_diffrn_orient_matrix_UB_32      -0.0622056000
_diffrn_orient_matrix_UB_33      0.0009198000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0241
_diffrn_reflns_av_unetI/netI     0.0169
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            27722
_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         26.372
_diffrn_reflns_theta_min         2.269
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.428
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.73995
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.21a (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.807
_exptl_crystal_description       block
_exptl_crystal_F_000             1352
_exptl_crystal_size_max          0.402
_exptl_crystal_size_mid          0.375
_exptl_crystal_size_min          0.209
_refine_diff_density_max         0.373
_refine_diff_density_min         -0.716
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     430
_refine_ls_number_reflns         5087
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0426
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0404P)^2^+2.2032P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0929
_refine_ls_wR_factor_ref         0.0963
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4490
_reflns_number_total             5087
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ra11827a2.cif
_cod_data_source_block           s4866l
_cod_database_code               7229603
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.916
_shelx_estimated_absorpt_t_min   0.847
_reflns_odcompleteness_completeness 99.83
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
;
_shelx_res_checksum              18744
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.333
_oxdiff_exptl_absorpt_empirical_full_min 0.619