US Patent Issued to UNIVERSITY COURT OF THE UNIVERSITY OF ST ANDREWS on April 22 for "Manganese catalysts and their use in hydrogenation of ketones" (British Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,058, issued on April 22, was assigned to UNIVERSITY COURT OF THE UNIVERSITY OF ST ANDREWS (Fife, Great Britain).

"Manganese catalysts and their use in hydrogenation of ketones" was invented by Magnus Widegren (Fife, Great Britain) and Matthew Lee Clarke (Fife, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a method comprising hydrogenating a ketone in the presence of (i) a base, (ii) hydrogen gas and (iii) a catalyst comprising a charged or neutral complex of formula (I): wherein: Mn is a manganese atom or a manganese ion in oxidation state (I) to (VII); R1 and R2 are each independently optionally substituted C4-8...