Syntheses based on anabasine.: Preparation and transformations of N-oxides

被引:3
作者
Musina, L. A.
Shul'ts, E. E.
Krichevskii, L. A.
Adekenov, S. M.
Shakirov, M. M.
Tolstikov, G. A.
机构
[1] Russian Acad Sci, NN Vorozhtsov Novosibirsk Inst Organ Chem, Siberian Branch, Novosibirsk 630090, Russia
[2] Minist Educ & Sci Republ Kazakhstan, Inst Phytochem, Karaganda 100009, Kazakhstan
基金
俄罗斯基础研究基金会;
关键词
anabasine; oxidation; anabaseine N-oxide; N-benzoylanabasine pyridine; N-oxide; N-acetyl anabasine pyridine N-oxide; methylanabasine N-oxide; N-benzoylpiperidyl-2-pyridone; N-acetylpiperidyl-2-pyridone; anabasein-3-one;
D O I
10.1007/s11172-006-0256-5
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The oxidation of N-acetyl- and N-benzoylanabasine with the tert-butyl hydroperoxide (TBHP)-MoCl5 System or MCPBA proceeds selectively at the nitrogen atom of the pyridine ring. The oxidation of N-methylanabasine under similar conditions gives a mixture of stereoisomeric N-oxides at the piperidine nitrogen atom, their ratio depending on the reagent used. The oxidation of anabasine by TBHP-MoCl5 or MCPBA is accompanied by dehydrogenation and results in anabaseine N-oxide. The reactions of anabasine and anabaseine pyridine N-oxides with acetic anhydride were investigated. The substituted 1H-3-pyridin-2-ones were prepared.
引用
收藏
页码:331 / 337
页数:7
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