P-XYLOQUINONE

yellow to brown crystalline powder

2,5-Dimethyl-1,4-benzoquinone may be used in a key step involved in the total synthesis of (?)-cyathin A₃.

Synthetic Communications, 25, p. 1669, 1995 DOI: 10.1080/00397919508015851
The Journal of Organic Chemistry, 53, p. 5453, 1988 DOI: 10.1021/jo00258a010

2,5-Dimethyl-1,4-benzoquinone is a quinone derivative. Its reaction with jack bean urease in phosphate buffer, pH 7.8 has been studied. It is present as one of the component of defensive secretion of opilionid Acanthopachylus aculeatus. It has been investigated as inhibitor of jack bean urease in 50mM phosphate buffer, pH 7.0.

Crystallise the quinone from EtOH. [Beilstein 7 IV 2090.]