Taylor, Edward C. published the artcilePteridines. XXXIV. Synthesis of 8-hydroxy-7(8H)-pteridinones (pteridine hydroxamic acids), Formula: C10H11N3O3S, the publication is Journal of Organic Chemistry (1975), 40(16), 2332-6, database is CAplus and MEDLINE.
A series of 2,4-diamino-6-alkyl-substituted 8-hydroxy-7(8H)-pteridinones (pteridinehydroxamic acids) (I) was prepared from 2,4-diamino-6-substituted pteridine 8-oxides by chlorination in glacial AcOH, followed by cleavage of the resulting pteridinehydroxamic acid anhydrides II with ethanolic HCl. An alternative but less satisfactory route to 2,4-diamino-6-methyl-8-hydroxy-7(8H)-pteridinone involved condensation of pyruvohydroxamoyl chloride with aminomalononitrile tosylate to give 2-amino-3-cyano-5-methyl-6-chloropyrazine 1-oxide, hydrolysis to the pyrazinehydroxamic acid III, and cyclization with guanidine.
Journal of Organic Chemistry published new progress about 5098-14-6. 5098-14-6 belongs to nitriles-buliding-blocks, auxiliary class Nitrile,Salt,Sulfonic acid,Amine,Benzene, name is 2-Aminomalononitrile 4-methylbenzenesulfonate, and the molecular formula is C12H15ClO3, Formula: C10H11N3O3S.
Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts