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・ 2,000 Guineas Trial Stakes
・ 2,000,000 Voices
・ 2,000-yard club
・ 2,2'-Azobis(2-amidinopropane) dihydrochloride
・ 2,2'-Bipyridine
・ 2,2'-Bis(2-indenyl) biphenyl
・ 2,2'-Dipyridyldisulfide
・ 2,2,2-Trichlorethoxycarbonyl chloride
・ 2,2,2-Trichloroethanol
・ 2,2,2-Trifluoroethanol
・ 2,2,3,3-Tetramethylsuccinic acid
・ 2,2,4,4-Tetramethyl-1,3-cyclobutanediol
・ 2,2,4,4-Tetramethyl-3-t-butyl-pentane-3-ol
・ 2,2,4-Trimethylpentane
・ 2,2,5,5-Tetramethyltetrahydrofuran
2,2,6,6-Tetramethylpiperidine
・ 2,2-Di-2-furylpropane
・ 2,2-dialkylglycine decarboxylase (pyruvate)
・ 2,2-Dichloro-1,1,1-trifluoroethane
・ 2,2-Dimethoxy-2-phenylacetophenone
・ 2,2-Dimethoxypropane
・ 2,2-Dimethyl-1-butanol
・ 2,2-Dimethylbutane
・ 2,2-Diphenylpropylamine
・ 2,3,3,3-Tetrafluoropropene
・ 2,3,3-Trimethylpentane
・ 2,3,4,5-Tetrahydro-1,5-methano-1H-3-benzazepine
・ 2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase
・ 2,3,4,5-Tetramethoxyamphetamine
・ 2,3,4-Trimethylpentane


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2,2,6,6-Tetramethylpiperidine : ウィキペディア英語版
2,2,6,6-Tetramethylpiperidine

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2,2,6,6-Tetramethylpiperidine or TMP or HTMP is an organic compound of the amine class. In appearance, it is a colorless liquid and has a "fishy", amine-like odor. This amine is used in chemistry as a hindered base (hindered amine) because it can dissolve in organic solvents unlike inorganic bases such as potassium hydroxide.
There are many ways to synthesise TMP. One recent method starts with a conjugate addition reaction of ammonia to phorone. The intermediate triacetone amine is then reduced in a Wolff-Kishner reaction.


TMP is the starting material for an even stronger base lithium tetramethylpiperidide and the radical species TEMPO. Another non-nucleophilic base is N,N-diisopropylethylamine.
==See also==

*2,6-Dimethylpiperidine
*Pempidine

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