Origin of 1,3-induction in the addition of alkyl lithium to imines bearing an N-stereogenic center
Nancy; Ghosh, Soma; Singh, Nishan; Kaur Nanda, Gurmeet; Venugopalan, P.; Bharatam, Prasad V.; Trehan, Sanjay; Chemical Communications (Cambridge, United Kingdom)  (2003) 1420–1421; doi:10.1039/b300478c

data_7103691
_publ_section_title
;
 Origin of 1,3-induction in the addition of alkyl lithium to imines
 bearing an N-stereogenic center
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   12
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              1420
_journal_page_last               1421
_journal_paper_doi               10.1039/b300478c
_journal_year                    2003
_chemical_formula_sum            'C25 H28 N2 O4'
_chemical_formula_weight         420.49
_chemical_melting_point          488
_chemical_name_common
;
N-(1'-phenethyl)2-methyl-1-phenylpropylamine-p-nitro benzoate salt
;
_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           'Manual edit of SHELXL-97 CIF'
_cell_angle_alpha                117.720(10)
_cell_angle_beta                 101.030(10)
_cell_angle_gamma                96.190(10)
_cell_formula_units_Z            2
_cell_length_a                   8.6310(10)
_cell_length_b                   12.435(2)
_cell_length_c                   12.704(2)
_cell_measurement_reflns_used    40
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.539
_cell_measurement_theta_min      9.882
_cell_volume                     1153.9(3)
_computing_cell_refinement       'XSCANS (Siemens)'
_computing_data_collection       'XSCANS (Siemens)'
_computing_data_reduction        'XSCANS (Siemens)'
_computing_molecular_graphics    'XP (Siemens)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       2\q/\q
_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  0.0167
_diffrn_reflns_av_sigmaI/netI    0.0253
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3692
_diffrn_reflns_theta_full        24.00
_diffrn_reflns_theta_max         24.00
_diffrn_reflns_theta_min         1.88
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'elongated plate'
_exptl_crystal_F_000             448
_exptl_crystal_preparation       Ethanol
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.158
_refine_diff_density_min         -0.174
_refine_diff_density_rms         0.031
_refine_ls_extinction_coef       0.008(2)
_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   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         3418
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0560
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0598P)^2^+0.2281P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1127
_refine_ls_wR_factor_ref         0.1230
_reflns_number_gt                2730
_reflns_number_total             3418
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b300478c.txt
_cod_data_source_block           nancy6
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'None' changed to
'none' 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      P-1
_cod_database_code               7103691