Lithium-Diphenyl錯体によるPiperidinium塩類の還元的環開裂反応
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概要
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Piperidinium iodide and some alkyl-substituted piperidinium iodides were treated with lithium-diphenyl adduct in anhydrous tetrahydrofuran in order to study the possible reductive cleavage reaction of the piperidine ring. 1,1-Dimethyl-2-nonylpiperidinium iodide (I_4) was found to undego reductive ring cleavage and yield 5-(N, N-dimethylamino)-tetradecane (2%) and N, N-dimethyltetradecylamine (36%), together with N-methyl-2-nonylpiperidine (21%) and 1-dimethylamino-5-tetradecene (36%). In the reaction of I_4 with lithium aromatic hydrocarbons, the ease of reductive ring cleavage increased with decrease in the electron affinity of the hydrocarbons.
- 公益社団法人日本薬学会の論文
- 1972-07-25
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- Lithium-Diphenyl錯体によるPiperidinium塩類の還元的環開裂反応