Preparation of 2- and 4-arylmethyl N-substituted and N,N-disubstituted anilines via a "green", multicomponent reaction.
Rosamilia, Anthony E.; Scott, Janet L.; Strauss, Christopher R.; Organic letters 7 (2005) 1525–1528; doi:10.1021/ol0501828

data_1506531
_publ_section_title
;
 Preparation of 2- and 4-arylmethyl N-substituted and N,N-disubstituted
 anilines via a &quot;green&quot;, multicomponent reaction.
;
_journal_issue                   8
_journal_name_full               'Organic letters'
_journal_page_first              1525
_journal_page_last               1528
_journal_paper_doi               10.1021/ol0501828
_journal_volume                  7
_journal_year                    2005
_chemical_formula_moiety         'C27 H25 N'
_chemical_formula_sum            'C27 H25 N'
_chemical_formula_weight         363.48
_chemical_melting_point          99.5(5)
_chemical_name_systematic
; 
N-benzyl-(2-benzyl,4-tolyl)aniline 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 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                   11.8742(4)
_cell_length_b                   14.4270(3)
_cell_length_c                   11.6716(5)
_cell_measurement_temperature    123(2)
_cell_volume                     1999.45(12)
_computing_cell_refinement       'Nonius collect'
_computing_data_collection       'Nonius collect'
_computing_data_reduction        'Nonius collect'
_computing_molecular_graphics    X-Seed
_computing_publication_material  ciftab
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.952
_diffrn_measured_fraction_theta_max 0.952
_diffrn_measurement_device_type  'Enraf Nonius Kappa CCD'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0622
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1908
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.74
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.207
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       clear_blocks
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.169
_refine_diff_density_min         -0.180
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   4(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         1908
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0828
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0460P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0822
_refine_ls_wR_factor_ref         0.0958
_reflns_number_gt                1399
_reflns_number_total             1908
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol0501828si20050131_011114.cif
_cod_data_source_block           4dbb
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '99-100' was changed to '99.5(5)' -
the average value was taken and precision was
estimated.

'_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               1506531