Dehydromethylation of alkali metal salts of the utility amide 2,2,6,6-tetramethylpiperidide (TMP)
Kennedy, Alan R.; Leenhouts, Sarah M.; Liggat, John J.; Martínez-Martínez, Antonio J.; Miller, Kimberley; Mulvey, Robert E.; O'Hara, Charles T.; O'Keefe, Philip; Steven, Alan; Chemical Communications (Cambridge, United Kingdom) 50 (2014) 10588–10591; doi:10.1039/c4cc04959d

data_7115585
_publ_section_title
;
 Dehydromethylation of alkali metal salts of the utility amide
 2,2,6,6-tetramethylpiperidide (TMP)
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   73
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              10588
_journal_page_last               10591
_journal_paper_doi               10.1039/c4cc04959d
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C28 H60 N6 Na2'
_chemical_formula_sum            'C28 H60 N6 Na2'
_chemical_formula_weight         526.80
_space_group_crystal_system      orthorhombic
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_symmetry_space_group_name_Hall  '-P 2ac 2ab'
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
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_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
(compiled Nov 25 2010,17:55:46)
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_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
(compiled Nov 25 2010,17:55:46)
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
(compiled Nov 25 2010,17:55:46)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
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_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.077
_exptl_crystal_description       'cut plate'
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_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.309
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_refine_ls_extinction_method     none
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_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0705
_refine_ls_R_factor_gt           0.0527
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0761P)^2^+0.8908P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1453
_refine_ls_wR_factor_ref         0.1560
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2483
_reflns_number_total             3254
_reflns_threshold_expression     'I > 2\s(I)'
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