ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,692, issued on Oct. 14, was assigned to UPL Ltd. (Mumbai, India).
"Process for preparation of triazole compound" was invented by Jignesh Amrutlal Desai (Mumbai, India) and Digish Manubhai Panchal (Mumbai, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "Processes for preparation of a high purity cyproconazole, i.e., (2RS,3RS;2RS,3SR)-2-(4-chlorophenyl)-3-cyclopropyl-1-(1H-1,2,4-triazol-1-yl) butan-2-ol; and its compound i.e., 2-(4-chlorophenyl)-2-(1-cyclopropylethyl) oxirane generally includes reacting a ketone of formula (II) with a sulfonium salt in the presence of a base to obtain the oxirane compound of formula (III); wherein the sulfonium s...