MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202644027998 A) filed by Sumitomo Chemical Company, Limited on March 10, 2026, for Method For Producing 2-Pyridyl Ester Compound And Its Derivatives.

Inventors include Honda Yuta; and Ishikawa Junichi -.

The application for the patent was published on September 18, 2026, under issue no. 38/2026.

Abstract: [Summary] [Problem] To provide an efficient method for producing a novel 2-pyridyl ester compound, and an efficient method for producing a pyridone compound using the same. [Solution] A method for producing a compound represented by Formula (6) [in the formula, R3 represents NHC(O)R2, a nitro group, a halogen atom, or a hydrogen atom, and R2, X2 and X3 have the same meanings as described below.], containing a step of obtaining the compound represented by Formula (6) by reacting a compound represented by Formula (4) [in the formula, R1 represents an amino group, a nitro group, a halogen atom, or a hydrogen atom, X2 and X3 are identical to or different from each other, and each represents a halogen atom.] with a compound represented by Formula (5) [in the formula, X4 represents a leaving group, R2 represents a phenyl group which may be optionally substituted with one methyl group.] in the presence of a base.

Disclaimer: Curated by HT Syndication.