1,4-Naphthoquinones (NQ) is a class of organic compounds with a number of
important properties.However, the existing methods of their synthesis either give a low NQ
yield or multistage and require a lot of time. In the present work new one-pot process of NQ synthesis from hydroquinone (HQ)
and substituted 1,3-dienes at room temperature is proposed. The solution of
heteropolyacid H7PMo8V4O40 (HPA-4) is
used as a bifunctional (acid and redox) catalyst for this process. The influence of
a number of factors on key process parameters has been studied. It is
demonstrated that unsubstituted and a number of alkylsubstituted
NQ with the yields of 50% -80% and purity of 92%
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