Mechanochemical milling promoted solvent-free imino Diels–Alder reaction catalyzed by FeCl3: diastereoselective synthesis of cis-2, 4-diphenyl-1,2,3,4-tetrahydroquinolines
Tan, Ya-Jun; Zhang, Ze; Wang, Fang-Jian; Wu, Hao-Hao; Li, Qing-Hai; RSC Advances  (2014) –; doi:10.1039/C4RA05252H

data_7217317
_publ_section_title
;
 Mechanochemical milling promoted solvent-free imino Diels--Alder reaction
 catalyzed by FeCl3: diastereoselective synthesis of cis-2,
 4-diphenyl-1,2,3,4-tetrahydroquinolines
;
_journal_name_full               'RSC Advances'
_journal_paper_doi               10.1039/C4RA05252H
_journal_year                    2014
_chemical_formula_sum            'C22 H20 N2 O3'
_chemical_formula_weight         360.40
_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                84.063(13)
_cell_angle_beta                 72.757(12)
_cell_angle_gamma                69.008(12)
_cell_formula_units_Z            2
_cell_length_a                   9.226(5)
_cell_length_b                   9.609(5)
_cell_length_c                   12.006(7)
_cell_measurement_reflns_used    2565
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      2.27
_cell_volume                     949.1(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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    0.0408
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5655
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9874
_exptl_absorpt_correction_T_min  0.9832
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.261
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             380
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.243
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     249
_refine_ls_number_reflns         3670
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0752
_refine_ls_R_factor_gt           0.0570
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1530P)^2^+0.0315P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1817
_refine_ls_wR_factor_ref         0.2167
_reflns_number_gt                2733
_reflns_number_total             3670
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra05252h2.cif
_cod_data_source_block           mo_140106d_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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-1
_cod_database_code               7217317