Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Abdel Ghani Ali Elagamey"'
Publikováno v:
Journal of Heterocyclic Chemistry. 53:1801-1806
A series of Pyrido[2,3-d]pyrimidine have been synthesized through a reaction of cyanoacetylurea derivatives with aromatic aldehydes or Arylidines. Reaction of compound with aromatic arylidine derivatives or arylhydrazones gave Chromeno[3,4-c]pyridine
Autor:
Abdel-Ghani Ali Elagamey, Seif-Eldin Nasr Ayyad, Fathy Muhammad Abdelaziz El-Taweel, Tahani Mahmoud El-Mashad
Publikováno v:
International Journal of Organic Chemistry. :135-142
2-Thioxothiazole derivatives 5a-c were prepared by reacting a mixture of 1a-c, CS2/KOH and 4-(2-chloroacetyl)-1, 5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one(3). Reacting 2-cyano-N-(4-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-2H- pyrazol-4-yl)-2-thioxothi
Publikováno v:
Bulletin of the Chemical Society of Japan. 66:464-468
2-Naphthol and naphthalenediols react with methylenemalononitrile, generated in situ from reaction of formaldehyde and malononitrile, to yield naphthopyrans and naphthodipyrans. 5-Hydroxynaphtho[2,1-b]pyrans reacted further with methylenemalononitril
Publikováno v:
ChemInform. 29
Publikováno v:
Journal f�r Praktische Chemie. 333:333-338
5-Amino-3-phenylpyrazole (1) reacted with enaminonitriles 2a–c to afford the pyrazolopyrimidines 5a, b and the 5-substituted aminopyrazole 8. 5a reacted with arenediazonium chlorides and benzaldehyde to give 6 and 7 respectively. Also, o-hydroxyace
Publikováno v:
Archives of Pharmacal Research. 13:261-264
4-Arylazo-3-phenyl-5-aminopyrazoles (5a,b) and substituted hydroxythiazoles8a,b were synthesized from the reaction of4a,b with hydrazine hydrate and mercaptoacetic acid respectively. Compounds5a,b and8a,b were also obtained from coupling of2a,b with6
Publikováno v:
Archives of Pharmacal Research. 10:153-157
Reaction of oxazolin-5-ones1 withp-amino-diphenylamine was resulted in the formation of the corresponding imidazolin-5-ones2 which on treatment with sulphur afforded phenothiazines3. Acridine derivatives5 were obtained from acetylaminodiphenylamines
Publikováno v:
Archives of Pharmacal Research. 11:253-256
Several new thiadiazolo[2,3-a]pyridine, thiazole and coumarin derivatives were synthesized via the reaction of 2-cyanomethylthiadiazole with cinnamonitrile, mercaptoacetic acid and salicylaldehyde.
Publikováno v:
Collection of Czechoslovak Chemical Communications. 49:2111-2115
1-Ferrocenyl(methyl)phenylsilane (I) was prepared by silylation of ferrocene at low temperature. Mono- and diacetylenic compounds of silyferrocene were prepared by the interaction of chloroferrocenylsilane with mono- and dilithium acetylenic derivati
Publikováno v:
Archives of Pharmacal Research. 10:14-17
Several new imidazo [1,2-b] pyrazole, pyrazolo [5,1-c]-1,2,4-triazine and pyrazolo [5,1-c] triazole derivatives were prepared from the reaction of 3-antipyrinyl-5-aminopyrazole or its diazonium salt with α-chloroacetyl derivatives.