Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Sherif Mahmoud Fahmy"'
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 113:985-991
Several new benzopyran and benzopyranopyridine derivatives were synthesized via condensation of 2-amino-1,1,3-tricyanopropene (1) and diethyl 2-amino-1-cyanopropene-1,3-dicarboxylate (2) with salicylaldehyde and treatment of the resulted products wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e7e7d0113a7a697e2b9f0eca789f244
https://doi.org/10.1007/bf00799239
https://doi.org/10.1007/bf00799239
Publikováno v:
Journal of Heterocyclic Chemistry. 16:61-64
The behaviour of the aminopyrazole derivatives 1a-c, 2-amino-4-phenylthiazole (2) and 2-amino-5-phenyl-1,3,4-thiadiazole (3) toward the action of ethoxycarbonyl and benzoyl iso-thiocyanate is reported. The data clearly demonstrates the dependence of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37b04796e966acc1d2653f330db3ffcd
https://doi.org/10.1002/jhet.5570160114
https://doi.org/10.1002/jhet.5570160114
Publikováno v:
Zeitschrift für Naturforschung B. 32:1478-1481
Whereas the 5-aminopyrazole derivatives (1 a, b) react with ethyl β-amino-β-trichloro-methylmethylenecyanoacetate (2) in basic media to yield the corresponding 5-aminopyrazolo[1,5-a]pyrimidine derivatives (3a, b), the reaction of la, b with 2 in re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad1195197967f385a2207e5243ee0f84
https://doi.org/10.1515/znb-1977-1222
https://doi.org/10.1515/znb-1977-1222
Publikováno v:
Zeitschrift für Naturforschung B. 32:430-433
3-Amino-4-phenylhydrazono-2-pyrazolin-5-one (1) reacts with isothiocyanate to yield the corresponding pyrazolylthiourea derivatives (2 a-c). Whereas 2 a reacted with hydrazines to yield the pyrazolylamino-1,2,4-triazoles (3 a, b), it cyclised into th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3e01b04c95399dd3be1501626a7163a
https://doi.org/10.1515/znb-1977-0416
https://doi.org/10.1515/znb-1977-0416
Publikováno v:
Synthesis. 1982:490-493
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d28faccab3b42036a31ae9cecf04ff1
https://doi.org/10.1055/s-1982-29850
https://doi.org/10.1055/s-1982-29850
Autor:
Sherif Mahmoud Fahmy, Rafat M. Mohareb
Publikováno v:
Synthesis. 1983:478-480
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe57010bae0e3ee39640cc2e30fd2745
https://doi.org/10.1055/s-1983-30391
https://doi.org/10.1055/s-1983-30391
Publikováno v:
Zeitschrift für Naturforschung B. 39:390-392
The 5-arylmethylene derivatives of 2-phenylhydrazono-4-thiazolidinone (1) reacted with phenacyl bromide and with ethyl bromoacetate to yield the thiazolo[2,3-c]triazine derivatives (3) and (4). The reaction of 1 with carbon disulphide in alkaline sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a93359be8f23937cc77bc9c99cb4d4a4
https://doi.org/10.1515/znb-1984-0319
https://doi.org/10.1515/znb-1984-0319
Autor:
Rafat M. Mohareb, Sherif Mahmoud Fahmy
Publikováno v:
Synthesis. 1985:1135-1137
Dimerisation du cyanoacetamide en amide d'acide amino-3cyano-4 pentene-3dioique; reactions de ce compose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9158876f271e52d8d6e8ef021ac3139e
https://doi.org/10.1055/s-1985-31451
https://doi.org/10.1055/s-1985-31451
Publikováno v:
Journal of Chemical & Engineering Data. 29:101-103
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4ea4cc0d2fa9d136c200fe89dbe174f
https://doi.org/10.1021/je00035a033
https://doi.org/10.1021/je00035a033
Publikováno v:
Journal of Heterocyclic Chemistry. 15:1291-1293
2-Amino-5-phenyl-1,3,4-oxadiazole (1a) and 2-amino-1,3,4-thiadiazole (1b) reacted with acrylonitrile to yield β-cyanoethylamino derivatives. On the other hand, 2-amino-4-phenylthiazole (2) reacted with acrylonitrile under the same experimental condi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2188c9be1746bc36f00fa69edeedcb9b
https://doi.org/10.1002/jhet.5570150810
https://doi.org/10.1002/jhet.5570150810