ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,006, issued on May 12, was assigned to SYNGENTA CROP PROTECTION AG (Basel, Switzerland).
"Process for the preparation of 5-(1-cyanocyclopropyl)-pyridine-2-carboxylic acid esters amides and nitriles" was invented by Raphael Dumeunier (Stein, Switzerland), Renaud Beaudegnies (Stein, Switzerland), Martin Pouliot (Stein, Switzerland) and Alexander Gaspers (Stein, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the preparation of compound of formula I is provided: Formula (I) where R1 and R2 are as defined in the description."
The patent was filed on Oct. 8, 2021, under Application No. 18/248,289.
*For further information, inclu...