71222-75-8Relevant academic research and scientific papers
Nitrogen Bridgehead Compounds, Part 49. Synthesis and Stereochemistry of 9-Aminotetrahydro-4H-pyridopyrimidin-4-ones.
Breining, Tibor,Hermecz, Istvan,Podanyi, Benjamin,Meszaros, Zoltan,Toth, Gabor
, p. 1015 - 1018 (2007/10/02)
The 9-phenylaminotetrahydro-4H-pyridopyrimidin-4-ones (4)-(9), synthesized from the 9-bromo compounds (1)-(3), displayed imine-enamine tautomerism.In solution (if R2 H) the equilibrium mixtures contain both cis- and trans-imines.The e
Nitrogen Bridgehead Compounds. 38. New Antiallergic 4H-Pyridopyrimidin-4-ones. 3
Hermecz, Istvan,Breining, Tibor,Vasvari-Debreczy, Lelle,Horvath, Agnes,Meszaros, Zoltan,et al.
, p. 1494 - 1499 (2007/10/02)
The weak antiallergic activity of 6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyridopyrimidine-3-carboxylic acid (4) on the rat reaginic passive cutaneous anaphylaxis test was enhanced by the introduction of appropriate functional groups into position 9 o
Antiallergic nitrogen bridge-head compounds
-
, (2008/06/13)
Antiallergic and antiasthmatic compounds of the formula STR1 of which 9-phenylamino-6-methyl-4-oxo-6,7-dihydro-4H-pyrido(1,2-a)pyrimidine-3-carboxylic acid and optically active antipodes and salts thereof are examples.
