oxime of 5-acetyl-3-methylthio-1,2,4-triazine;5-acetyl-3-methylsulfanyl-1,2,4-triazine oxime;N-[1-(3-methylsulfanyl-1,2,4-triazin-5-yl)ethylidene]hydroxylamine
Reaction of 1,2,4-triazines with nitronate anions, direct nucleophilic acylation of 1,2,4-triazines.
作者:A. Rykowski、M. Mąkosza
DOI:10.1016/s0040-4039(01)81522-7
日期:——
Nitronate anions replace 5-hydrogen atom in a variety of 3-substituted 1,2,4-triazine derivatives giving oximes of 5-formyl and 5-acyl 1,2,4-triazines.
A new series of sulfonamide derivatives of pyrazolo[4,3-e][1,2,4]triazine with chiral amino group has been synthesized and characterized. The compounds were tested for their relaxant effects in the rat aorta. Evaluation of prepared derivatives demonstrated that compound (8a) is probably a non-selective phosphodiesterase (PDE) inhibitor, as it induced aortic relaxation through endothelium-independent mechanism.
Rykowski; Lipinska; Guzik, Polish Journal of Chemistry, 1997, vol. 71, # 1, p. 69 - 76
作者:Rykowski、Lipinska、Guzik、Adamiuk、Olender
DOI:——
日期:——
DIRECT SYNTHESIS OF PYRAZOLO[4,3-e][1,2,4]TRIAZINE DERIVATIVES FROM OXIMES OF 5-ACYL AND 5-FORMYL-1,2,4-TRIAZINES