Journal
RESEARCH ON CHEMICAL INTERMEDIATES
Volume 42, Issue 3, Pages 2191-2200Publisher
SPRINGER
DOI: 10.1007/s11164-015-2142-y
Keywords
Electrocatalysis; Cascade reaction; Undivided cell; Pyrazoline-5-ones; Activated olefins; Spirocyclopropylpyrazolones
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Funding
- Russian Foundation for Basic Research [15-33-20168]
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The electrolysis of pyrazoline-5-ones and activated olefins in the presence of sodium bromide as mediator in alcohols in an undivided cell results in efficient formation of the substituted spirocyclopropylpyrazolones in 50-85 % yields. This novel electrocatalytic process opens a convenient way to functionalized spirocyclopropylpyrazolones-the promising compounds for the different biomedical applications. Thus, the simple electrocatalytic system can produce in an undivided cell under mild conditions the electrochemically induced cascade reaction of pyrazoline-5-ones with activated olefins.
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