Coenzyme Q. IV. Coenzyme Activity of 6-Isoprenoid and Other Derivatives of 2,3-Dimethoxy-5-Methylbenzoquinone

Abstract

Summary

2,3 - Dimethoxybenzoquinone and 2,3 - dimethoxy - 5-methylbenzoquinone showed no coenzymatic activity in a succin-oxidase system. 2,3-Dimethoxy-5,6-dimethyl-benzoquinone and coenzyme Q₁ showed low activity. Coenzyme Q₂, Q₃ and hexahydro-coenzyme Q₄ showed activity comparable to that of coenzyme Q₁₀.