期刊
SYNLETT
卷 24, 期 18, 页码 2375-2382出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0033-1340043
关键词
heterocycles; polycycles; nucleophilic additions; addition reactions; spiro compounds; domino reactions; multicomponent reactions
资金
- University of Aveiro
- Portuguese Foundation for Science and Technology (FCT)
- European Union
- QREN
- FEDER
- COMPETE [PEst-C/QUI/UI0062/2013, FCOMP-01-0124-FEDER-037296]
- Portuguese NMR Network
- FCT [SFRH/BPD/66961/2009]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/66961/2009] Funding Source: FCT
The regioselective 1,6-conjugate addition of ethyl malonate and malononitrile to (E)-2-styrylchromones is described. A synthesis of novel pentasubstituted spirocyclohexanes discovered during the course of these studies is also discussed. A novel domino multicomponent 1,6-/1,6-/1,4-conjugate addition reaction for the formation of these new spirocyclohexanes is proposed.
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