Zobrazeno 1 - 10
of 18
pro vyhledávání: '"John F. Okonya"'
Publikováno v:
Mini-Reviews in Medicinal Chemistry. 3:449-460
The use of microwave technology in solid-phase organic synthesis has attracted much attention in recent years. The combination of solid support, either as a medium for chemical synthesis or as a carrier for organic reagents, with microwave heating of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::690fe4cca1f6911976e0c4e2bcb12779
https://doi.org/10.2174/1389557033488042
https://doi.org/10.2174/1389557033488042
Publikováno v:
The Journal of Organic Chemistry. 63:6409-6413
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::061e68c8770693ab24d137a4b1238a79
https://doi.org/10.1021/jo9806761
https://doi.org/10.1021/jo9806761
Autor:
John F. Okonya, Fahad Al-Obeidi
Publikováno v:
Tetrahedron Letters. 43:7051-7053
An efficient synthesis of 2,5-dihalothiazole-4-carboxylates has been described. Halogenation of aminothiazole carboxylate with NBS or NCS and subsequent diazotization with isoamyl nitrite and halogenation with CuBr 2 , CuCl 2 or CH 2 I 2 provided the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de89b0709a95ef34f2b4c49077d6ac33
https://doi.org/10.1016/s0040-4039(02)01556-3
https://doi.org/10.1016/s0040-4039(02)01556-3
Publikováno v:
ChemInform. 26
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc9d4b4c98450c1f8aaefeec61b029d1
https://doi.org/10.1002/chin.199534226
https://doi.org/10.1002/chin.199534226
Publikováno v:
ChemInform. 28
A series of 3-(nosyloxy)-2-keto esters 7a−j were prepared from the corresponding α-keto esters by conversion to the trimethylsilyl enol ether and reaction with p-nitrobenzenesulfonyl peroxide. Conversion of these materials to 1,2,3-trifunctionaliz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27cab96cdc1ca4a1a14728fbb067f32d
https://doi.org/10.1002/chin.199736100
https://doi.org/10.1002/chin.199736100
Publikováno v:
ChemInform. 29
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1d4db71f071a8892d9c069b104a21d1
https://doi.org/10.1002/chin.199822091
https://doi.org/10.1002/chin.199822091
Publikováno v:
ChemInform. 30
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2dd4b6676a2926750c6deb606121fd5
https://doi.org/10.1002/chin.199908064
https://doi.org/10.1002/chin.199908064
Publikováno v:
ChemInform. 33
New methods for the synthesis of 2-oxazolone-4-carboxylates from 3-nosyloxy- and 3-bromo-2-ketoesters are described. Condensation of 3-nosyloxy-2-ketoesters with methyl carbamate in refluxing toluene in the presence of p-TSA provided 2-oxazolone-4-ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0c56261ed9b185f3f2b7870c4f17aa0
https://doi.org/10.1002/chin.200230158
https://doi.org/10.1002/chin.200230158
Autor:
Fahad Al-Obeidi, John F. Okonya
Publikováno v:
ChemInform. 33
An efficient synthesis of 2,5-dihalothiazole-4-carboxylates has been described. Halogenation of aminothiazole carboxylate with NBS or NCS and subsequent diazotization with isoamyl nitrite and halogenation with CuBr 2 , CuCl 2 or CH 2 I 2 provided the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97614944f462a77382bf9c6b937fd836
https://doi.org/10.1002/chin.200251139
https://doi.org/10.1002/chin.200251139
