3-oxidopyraziniums 的环加成化学。3-氧代-1-(4-甲氧基苄基)-5,6-二甲基吡嗪的二聚化反应

IF 0.8 4区 化学 Q4 CHEMISTRY, ORGANIC
M. Planas, Gerard Riesco-Llach, L. Feliu, J. Joule
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引用次数: 0

摘要

3-Oxidopyraziniums 是通过 N- 烷基化作用从 2(1 H )- 吡嗪酮中获得的,然后在室温下将生成的吡嗪盐暴露于弱碱中。3-Oxidopyraziniums 与丙烯酸酯发生 1,3-二极环化反应,生成 3,8-二氮杂双环[3.2.1]辛烷。3- 氧代-1-(4-甲氧基苄基)-5,6-二甲基吡嗪鎓(C 14 H 16 N 2 O 2 )在室温下发生二聚反应,形成四环醇 C 28 H 34 N 4 O 5,其结构通过光谱和 X 射线分析得以阐明。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The cycloaddition chemistry of 3-oxidopyraziniums. Dimerisation of 3-oxido-1-(4-methoxybenzyl)-5,6-dimethylpyrazinium
3-Oxidopyraziniums are accessed from 2(1 H )-pyrazinones via N-alkylation and then exposure of the resulting pyrazinium salts to mild base at room temperature. 3-Oxidopyraziniums react with acrylates in a 1,3-dipolar cyclisation producing 3,8-diazabicyclo[3.2.1]octanes. 3-Oxido-1-(4-methoxybenzyl)-5,6-dimethylpyrazinium (C 14 H 16 N 2 O 2 ) dimerises at room temperature, forming a tetracyclic alcohol C 28 H 34 N 4 O 5 , the structure of which was elucidated using spectroscopic and X-ray analyses.
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来源期刊
Arkivoc
Arkivoc 化学-有机化学
CiteScore
1.10
自引率
11.10%
发文量
120
审稿时长
3.1 months
期刊介绍: Arkivoc publishes full papers (not accounts) describing sound original work that is of interest to organic chemists (in areas of synthetic organic chemistry, bio-organic, organometallic, theoretical, and physical organic chemistry: General Papers describing sound original work Reviews and Accounts of selected topics Honorary Issues - Pay tribute to distinguished organic chemists (invited contributions) Thematic Issues - Cover important current topics in organic chemistry Regional Issues - Recognize organic chemistry in various countries.
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