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Lewis Acid Promotes Three-Component Cyclization to Construct Dithioxazole Derivatives
Kai Zou1, Anquan Li1, Yitong Chen1
1School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan 528458, P. R. China.
A new three-component reaction efficiently synthesizes disulfide-substituted oxazole derivatives. This transition-metal-free method offers a simple and effective route with good functional group tolerance and regioselectivity.
Area of Science:
- Organic Chemistry
- Synthetic Chemistry
Background:
- Oxazole derivatives are important heterocyclic compounds.
- Efficient synthesis of functionalized oxazoles is crucial for various applications.
Purpose of the Study:
- To develop a simple and effective strategy for constructing disulfide-substituted oxazole derivatives.
- To explore a novel three-component reaction for oxazole synthesis.
Main Methods:
- A Lewis acid-promoted three-component reaction.
- Utilizing amides, ynals, and acetyl disulfides as starting materials.
Main Results:
- Successful synthesis of disulfide-substituted oxazole derivatives.
- The reaction is transition-metal-free.
- Demonstrated good functional group tolerance and regioselectivity.
- Facilitated the production of disulfides.
Conclusions:
- A facile and efficient method for synthesizing disulfide-substituted oxazoles has been established.
- The reported strategy offers advantages including transition-metal-free catalysis and good selectivity.
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