139455-64-4Relevant academic research and scientific papers
Design, synthesis, and photophysics of bi- And tricyclic fused pyrazolines
Popova, Alexandra V.,Kanaa, Ali,Vavilova, Vladislava S.,Mironova, Maria A.,Slepukhin, Pavel A.,Benassi, Enrico,Belskaya, Nataliya P.
, p. 6315 - 6326 (2021)
Three series of bi- and tricyclic functionalized new pyrazoline fluorophores have been synthesized for investigation of their photophysical properties. Spectral studies indicated significant absorption and emission properties. The quantum yields reached 9
HETEROCYCLES FROM NITRILE IMINES. PART IV. CHIRAL 4,5-DIHYDRO-1,2,4-TRIAZIN-6-ONES
El-Abadelah, Mustafa M.,Hussein, Ahmad Q.,Thaher, Bassam A.
, p. 1879 - 1895 (2007/10/02)
The reaction of nitrile imines (II) with α-amino esters (III) proceeds with no detectable racemization and constitutes a convenient synthetic route to 4,5-dihydro-1,2,4-triazin-6-ones (IV).Permangamate oxidation of heterocycles (IV) affords the corresponding 1,2,4-triazin-6-ones (V).The reaction of (II) with β-amino esters gives the respective acyclic amidrazone adducts (VI).
