Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Eman M. Flefel"'
Publikováno v:
Molecules, Vol 24, Iss 13, p 2511 (2019)
4-(4-Aminophenyl)-1-thia-4-azaspiro[4.5]decan-3-one 1 was prepared and allowed to react with nitrogen nucleophiles to give the corresponding hydrazones 2−4. Further, compound 1 underwent diazotization and afforded the parallel hydrazono derivative
Externí odkaz:
https://doaj.org/article/fd7dd31e8e6e4534864a68140e4cee6e
Publikováno v:
Molecules, Vol 18, Iss 12, Pp 15051-15063 (2013)
A new series of fused triazolo- and tetrazolopyrimidine derivatives 2–14 were synthesized and their anti-inflammatory and ulcerogenic activities were evaluated. The pharmacological screening showed that many of these obtained compounds have good an
Externí odkaz:
https://doaj.org/article/6501dc1743e34e54ada2bae1e39b33d1
Autor:
Osama I. Abd El-Salam, Mohamed A. Al-Omar, Ahmed A. Fayed, Eman M. Flefel, Abd El-Galil E. Amr
Publikováno v:
Molecules, Vol 17, Iss 12, Pp 14510-14521 (2012)
A series of macrocyclic imides and Schiff-bases have been prepared via the cyclocondensation of pyridine-2,6-dicarbonyl dichloride (1) with L-ornithine methyl ester to give the corresponding macrocyclic bisester 2. Treatment of 2 with hydrazine hydra
Externí odkaz:
https://doaj.org/article/22de7a28f7394d6da9b42567e1044dc5
Publikováno v:
Molecules, Vol 23, Iss 10, p 2548 (2018)
A series of novel pyridine and fused pyridine derivatives have been prepared starting from 6-(3,4-dimethylphenyl)-2-hydrazinyl-4-(thiophen-2-yl)-pyridine-3-carbonitrile 1 which on treatment with appropriate formic acid, acetic acid/acetic anhydride,
Externí odkaz:
https://doaj.org/article/d95cb1821fa845e9a00459fa0dad36be
Autor:
Eman M. Flefel, Waled A. Tantawy, Walaa I. El-Sofany, Mahmoud El-Shahat, Ahmed A. El-Sayed, Dina N. Abd-Elshafy
Publikováno v:
Molecules, Vol 22, Iss 1, p 148 (2017)
4-(2-(4-Halophenyl)hydrazinyl)-6-phenylpyridazin-3(2H)-ones 1a,b were prepared and treated with phosphorus oxychloride, phosphorus pentasulphide and ethyl chloroformate to give the corresponding chloropyridazine, pyridazinethione, oxazolopyridazine d
Externí odkaz:
https://doaj.org/article/04d5c3bf343b4c8ea6e43568784efe2a
Publikováno v:
Molecules, Vol 22, Iss 1, p 170 (2017)
New 1-thia-azaspiro[4.5]decane derivatives, their derived thiazolopyrimidine and 1,3,4-thiadiazole compounds were synthesized. The thioglycoside derivatives of the synthesized (1,3,4-thiadiazolyl)thiaazaspiro[4.5]decane and thiazolopyrimidinethione c
Externí odkaz:
https://doaj.org/article/7520333e8cb44830b82f04596ebea726
Publikováno v:
Journal of Chemistry, Vol 2013 (2013)
A series of 2,6-bis(substituted thiazolopyrimi-dinyl) pyridine (2a,b) and corresponding Schiff's bases (3a–j) were synthesized from 2,6-bis-(3-amino-2-methyl-4-oxo-9-substituted-3,4-dihydropyrido-[30,20 : 4,5]-thieno[3,2-d]pyrimidin-7-yl)pyridines
Externí odkaz:
https://doaj.org/article/95d6c1bc522548e39daf9daa59bfd0d8
Publikováno v:
Molecules, Vol 21, Iss 1, p 30 (2015)
1-(2,4-Dichlorophenyl)-3-(4-fluorophenyl)propen-1-one (1) was prepared and reacted with an active methylene compound (ethyl cyanoacetate) in the presence of ammonium acetate to give the corresponding cyanopyridone 2. Compound 2 reacted with hydrazine
Externí odkaz:
https://doaj.org/article/61da1b6027d64496b6cdbf86285214db
Publikováno v:
Journal of Molecular Structure. 1264:133261
Publikováno v:
Journal of Computational and Theoretical Nanoscience. 15:521-524
(3-(4-bromophenyl)oxiran-2-yl)(2,4-dichlorophenyl)methanone 2 was synthesized via treating of 3-(4-bromophenyl)-1-(2,4-dichlorophenyl) prop-2-en-1-one 1 with hydrogen peroxide in the presence of sodium hydroxide in a mixture from acetone and methanol