ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,573, issued on July 1, was assigned to Provivi Inc. (Santa Monica, Calif.).
"Synthesis of straight-chain lepidopteran pheromones through one- or two-carbon homologation of fatty alkenes" was invented by Keith M. Wampler (Santa Monica, Calif.), Choon Woo Lee (Santa Monica, Calif.) and David Rozzell (Burbank, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for the preparation of alkenes including insect pheromones are described. The methods include homologation reactions employing reagents such as 1,3-diesters, epoxides, cyanoacetates, and cyanide salts for elongation of starting materials and intermediates by one or two carbon atoms. The...