Direct benzylic metalation of a phenethylamine derivative: potassium as the key to both generation and stabilization of a labile anion.
Unkelbach, Christian; Rosenbaum, Hannah S.; Strohmann, Carsten; Chemical communications (Cambridge, England) 48 (2012) 10612–10614; doi:10.1039/c2cc35888c

data_7112558
_publ_section_title
;
 Direct benzylic metalation of a phenethylamine derivative: potassium as
 the key to both generation and stabilization of a labile anion.
;
_journal_issue                   86
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              10612
_journal_page_last               10614
_journal_paper_doi               10.1039/c2cc35888c
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C23 H25 N O'
_chemical_formula_sum            'C23 H25 N O'
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_space_group_IT_number           43
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_symmetry_space_group_name_H-M   'F d d 2'
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_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
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_cell_length_a                   39.761(4)
_cell_length_b                   30.556(3)
_cell_length_c                   5.9332(5)
_cell_measurement_temperature    173(2)
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_computing_cell_refinement       'CrysAlis Red (Oxford Diffraction, 2006)'
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_computing_data_reduction        'CrysAlis Red (Oxford Diffraction, 2006)'
_computing_molecular_graphics    'Ortep-3 V1.073 (Farrugia, 2001)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-90 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
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_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
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_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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