Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Abdel Monem El Massry"'
Publikováno v:
Carbohydrate Research. 152:339-342
A partir de l'acide du titre, d'o-phenylenediamine et de fluoro-4 phenylhydrazine, synthese de fluoro-4'' phenylhydrazono-1' trihydroxy-2',3',4' butyl-3 1H-quinoxalone-2 qui est ensuite cyclodeshydratee en fluoro-4' phenyl-1 trihydroxy-1',2',3' propy
Publikováno v:
Journal of Heterocyclic Chemistry. 24:63-68
A novel series of 2,3-dihydropyridazin-3-ones 15 were synthesized via condensation between hydrazines and 4-(p-chlorophenyl)-2-hydroxy-2-(2-oxo-2-substituted ethyl)butanoic acids 8 which in turn were prepared by the reaction of substituted benzylpyru
Publikováno v:
Journal of Heterocyclic Chemistry. 23:199-201
The reduction of 4-aroyl-3-hydroxy-2(5H)-furanons 1a-c was investigated using different reducing agents. Sodium borohydride reacts with type 1 compounds by loss of water to yield 4-(arylmethylene)-2,3(4H,5H)-furandiones 2a-c. Platinum or charcoal sup