Interest in branched fatty acids and organic compounds, in general, dates back several decades (Kaneda 1991). As noted in a recent review (Dembitsky 2006), hundreds of organic compounds found in nature have in their mole-cules tert-butyl group (t-butyl). More than 100 of natural compounds with t-butyl group have so far been described (Reaxys 2012), which are biosynthesized by living