US Patent Issued to PTC THERAPEUTICS on Dec. 30 for "Optically resolved Trolox intermediate and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,434, issued on Dec. 30, was assigned to PTC THERAPEUTICS INC. (Warren, N.J.).

"Optically resolved Trolox intermediate and method for producing same" was invented by Kiichi Kuroda (Osaka, Japan), Kiyoto Sawamura (Osaka, Japan) and Shinjiro Tsuyumine (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for chiral resolution of Trolox. The present disclosure relates to a method for producing a solid salt of a compound of formula I, wherein an amide-based solvent is added to a sample, which contains a compound of formula I, while being assumed to contain a compound of formula II, in the presence of an opti...