Fv. Bagrov et Va. Petrukhina, 1-hydroxyethylpyridazin-6-ones and their O-acetyl- and O-diphenylphosphinoy1 derivatives, RUSS J ORG, 36(10), 2000, pp. 1520-1522
Condensation of 2-hydroxyethylhydrazine with 2-acetyl-, 2-phenylacetyl-, an
d 2-benzoylbenzoic and alpha -oxoglutaric acids yields 1-hydroxyethylpyrida
zin-6-one derivatives. The hydroxy group in 2-hydroxyethylphthalazin-1-ones
can readily be acetylated and phosphorylated.