Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Abd El-Wareth A. O. Sarhan"'
Publikováno v:
ARKIVOC, Vol 2011, Iss 10, Pp 71-84 (2011)
Mercapto-3-phenyl-1,2,4-triazole 8 was reacted with a variety of cyano compounds containing active methylene group such as ethyl cyanoacetate, cyanoacetamide and malonitrile in boiling acetic acid in the presence of concentrated sulfuric acid, to giv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::288f2ff79994fd166f53f4d9db2ce9b4
https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0012.a06
https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0012.a06
Publikováno v:
Synthesis. 2010:2636-2642
The reaction of 4-amino-3-mercapto-5-phenyl-s-triazole with aromatic or aliphatic ketones containing active α-hydrogens as a methyl or methylene group using an acidified acetic acid method afforded the corresponding s-triazolo[3,4-b][1,3,4]thiadiazi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d56e47348c16df19d6534dec4593ea73
https://doi.org/10.1055/s-0030-1258153
https://doi.org/10.1055/s-0030-1258153
Publikováno v:
Synthesis. 2009:1000-1006
A new method for the synthesis of π-extended tetrathiafulvalenes was developed. The protocol is based on the exposure of 1,4-dithiafulvenes to sunlight or UV light at ambient temperature. In the resulting chalcogenofulvalenes the 1,3-dithiole ring s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b548a995f9191410fd10d447085be78f
https://doi.org/10.1055/s-0028-1087974
https://doi.org/10.1055/s-0028-1087974
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 140:315-323
New ferrocenyl ketones were obtained as precursors of novel π-conjugated ferrocene-dithiafulvalene (Fc-DTF) and π-extended-ferrocenedithia-fulvalenes (π-exFc-DTF) as electron-donor conducting materials from ferrocene by a direct aroylation process
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46b3979be6af778b4eb47f04f2f67cf7
https://doi.org/10.1007/s00706-008-0025-2
https://doi.org/10.1007/s00706-008-0025-2
Publikováno v:
Journal of Heterocyclic Chemistry. 45:897-907
3-Benzyl-4-phenyl-1,2,4-triazole-5-thiol (1) was synthesized and used as starting material for preparation of 1,2,4-triazole bearing substituted thiosemicarbazides moiety (4a-d) in high yields. The thiosemicarbazides 4a-d were cyclized in basic mediu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc356fb906a232ad42159e0c5f2efea4
https://doi.org/10.1002/jhet.5570450339
https://doi.org/10.1002/jhet.5570450339
Autor:
M.S. Morad, Abd El-Wareth A. O. Sarhan
Publikováno v:
Corrosion Science. 50:744-753
Three ferrocene derivatives, namely 1,1′-diacetylferrocene (Diacetyl Fc), 1,1′-diformylferrocene (Diformyl Fc) and 2-benzimidazolythioacetylferrocene (BIM Fc) were synthesized and their inhibitive effects against mild steel corrosion in aerated 0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::043f11facf80c406b497e2daeae979f6
https://doi.org/10.1016/j.corsci.2007.09.002
https://doi.org/10.1016/j.corsci.2007.09.002
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 182:1757-1766
The first synthesis of the 1,2,4-triazolo[5,1-b][1,3,5] thiadiazine and some of its analogues, possessing a thiadiazino-s-triazole bicyclic ring system was performed starting from 2-benzyltriazole-5-thiol. The title compounds 6a–g were synthesized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcf681ba675399d820c6b501ce70bcd6
https://doi.org/10.1080/10426500701313920
https://doi.org/10.1080/10426500701313920
Autor:
A. M. Mahmoud, Osama M. A. Habib, H. A. H. El-Sherif, Z. A. Hozien, Abd El-Wareth A. O. Sarhan
Publikováno v:
Journal of Sulfur Chemistry. 27:65-85
Thiazolo[3,2-b][1,2,4]triazoles and some of its analogues were firstly synthesized starting from 3-benzyl-1,2,4-triazole-5-thiol (13). 3-Benzyl-1,2,4-triazole-5-thiol (13) was synthesized and reacted with aromatic ketones using the acidified acetic a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b817191b321cedb31c46d920214e5ce2
https://doi.org/10.1080/17415990500520908
https://doi.org/10.1080/17415990500520908
Publikováno v:
Journal of Organometallic Chemistry. 675:1-12
The synthesis of heterocyclic systems incorporating more than one ferrocene unit was shown to be a facile and convenient route for the synthesis of new ferrocene-heterocycles. Hydrazide 2 was prepared and cyclized to oxadiazole, triazole, and pyrazol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67594f79e5aea062f939dc4165ed9abb
https://doi.org/10.1016/s0022-328x(03)00216-x
https://doi.org/10.1016/s0022-328x(03)00216-x
Publikováno v:
Monatshefte f�r Chemie / Chemical Monthly. 133:1055-1066
A number of π-extended conjugated tetrathiafulvalene (TTF) analogues were synthesized as new π-donors, and their structures and physical properties were determined. UV/Vis spectra and cyclic voltammetry of the π-extended ferrocenyl donors were stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8774d6b39a947493554eb542f2fa298a
https://doi.org/10.1007/s007060200074
https://doi.org/10.1007/s007060200074