期刊
HETEROCYCLES
卷 95, 期 1, 页码 251-267出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-16-S(S)13
关键词
Thermal Electrocyclization Reaction; Microwave Irradiation; 2-Azahexatriene; Fused Pyridine; One-Pot Reaction
资金
- Japan Society for the Promotion of Science [15K07880]
- Grants-in-Aid for Scientific Research [15K07880] Funding Source: KAKEN
We investigated the one-pot synthesis of several fused 2-pyridone ring systems based on a Curtius rearrangement, followed by a microwave-assisted thermal electrocyclization of a 2-aza-6 pi-electron system including isocyanate. We synthesized seven heterocyclic compounds containing a fused 2-pyridone ring. In these results, the one-pot synthesis of fused 2-pyridone ring system 5 from (E)-acrylic acids 1 under microwave irradiation conditions was more effective than the conventional reaction conditions in terms of the yield and the reaction time.
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