US Patent Issued to PRINCE MOHAMMAD BIN FAHD UNIVERSITY on Oct. 14 for "Method for forming an N-substituted pyrrole from a hexadione with a juice catalyst" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,682, issued on Oct. 14, was assigned to PRINCE MOHAMMAD BIN FAHD UNIVERSITY (Dhahran, Saudi Arabia).

"Method for forming an N-substituted pyrrole from a hexadione with a juice catalyst" was invented by M. Amin Mir (Dhahran, Saudi Arabia), Syed M. Hasnain (Dhahran, Saudi Arabia) and K. Andrews (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a N-substituted pyrrole of formula (1) that includes reacting an amine of formula (2) with a compound of formula (3) in the presence of a catalyst including juice from a fruit of a plant in the genus Malus, R1 and R2 are each independently a hydrogen, an optionally substit...