Abstract
Menaquinones with a tetrahydrogenated isoprenoid side-chain of Oerskovia turbata and Brevibacterium lipolyticum were cyclized to the chromenyl acetate derivatives, which were then submitted to ozonolysis, followed by reduction with dimethylsulfide. The mass-spectrometric analyses of the ozonolysis products revealed the ion peaks at m/ e 464 (M +), 449, 422, 407, 267 and 225. These results suggest that the two saturated double bonds are located continuously in the second and third units of the chain starting from the quinone ring, and the menaquinones are designated as 2-methyl-3-II,III-tetrahydromultiprenyl-1,4-naphthoquinone.
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Schedule a callMore From: Biochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism
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