The asymmetric Bischler–Napieralski reaction: preparation of 1,3,4-trisubstituted 1,2,3,4-tetrahydroisoquinolines
Marcello Nicoletti; David O'Hagan; Alexandra M. Z. Slawin; J. Chem. Soc., Perkin Trans. 1  (2002) 116–121; doi:10.1039/b106942j

data_7204229
_publ_section_title
;
 The asymmetric Bischler--Napieralski reaction: preparation of
 1,3,4-trisubstituted 1,2,3,4-tetrahydroisoquinolines
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_journal_issue                   1
_journal_name_full               'J. Chem. Soc., Perkin Trans. 1'
_journal_page_first              116
_journal_page_last               121
_journal_paper_doi               10.1039/b106942j
_journal_year                    2002
_chemical_formula_moiety         'C19 H21 N'
_chemical_formula_sum            'C19 H21 N'
_chemical_formula_weight         263.37
_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            4
_cell_length_a                   5.9721(3)
_cell_length_b                   8.5759(4)
_cell_length_c                   30.5762(9)
_cell_measurement_reflns_used    59
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      168
_cell_measurement_theta_min      12
_cell_volume                     1565.99(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0.9
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0709
_diffrn_reflns_av_sigmaI/netI    0.0669
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            7903
_diffrn_reflns_theta_full        23.23
_diffrn_reflns_theta_max         23.23
_diffrn_reflns_theta_min         2.47
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.862945
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.117
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             568
_exptl_crystal_size_max          .1
_exptl_crystal_size_mid          .1
_exptl_crystal_size_min          .07
_refine_diff_density_max         0.071
_refine_diff_density_min         -0.076
_refine_diff_density_rms         0.020
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   7(4)
_refine_ls_extinction_coef       0.055(4)
_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   0.872
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2244
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.872
_refine_ls_R_factor_all          0.0474
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0292P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0647
_refine_ls_wR_factor_ref         0.0678
_reflns_number_gt                1739
_reflns_number_total             2244
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b106942j.txt
_cod_data_source_block           12
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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      P2(1)2(1)2(1)
_cod_database_code               7204229