A Versatile Indium Trichloride Mediated Prins-Type Reaction to Unsaturated Heterocycles
Adrian P. Dobbs; Sebastien J. J. Guesné; Saša Martinovič; Simon J. Coles; Michael B. Hursthouse; Journal of Organic Chemistry 68 (2003) 7880–7883; doi:10.1021/jo034981k

data_4022542
_publ_section_title
;
 A Versatile Indium Trichloride Mediated Prins-Type
 Reaction to Unsaturated Heterocycles
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7880
_journal_page_last               7883
_journal_paper_doi               10.1021/jo034981k
_journal_volume                  68
_journal_year                    2003
_chemical_formula_sum            'C20 H23 N'
_chemical_formula_weight         277.39
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 122.4400(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.3055(3)
_cell_length_b                   6.26880(10)
_cell_length_c                   21.0333(3)
_cell_measurement_reflns_used    10318
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     3149.79(8)
_computing_cell_refinement       'DENZO & COLLECT'
_computing_data_collection
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO & COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0383
_diffrn_reflns_av_sigmaI/netI    0.0261
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            16798
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.92
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_T_max  0.9880
_exptl_absorpt_correction_T_min  0.9802
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.262
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.035
_refine_ls_extinction_coef       0.0097(12)
_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   0.967
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         3589
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.967
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0379
_refine_ls_shift/su_max          0.014
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0574P)^2^+2.1188P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1007
_refine_ls_wR_factor_ref         0.1060
_reflns_number_gt                3180
_reflns_number_total             3589
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo034981ksi20030708_015252_2.cif
_cod_data_source_block           transtetrahydro
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4022542