Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Hamad A. Al-Khamees"'
Publikováno v:
Arzneimittelforschung. 49:259-266
6-Chloro-4-substituted methyl-4-xanthenones and 2,4-dichloro-1-substituted amino-9-(10 H)-acridinones were synthesized as tricyclic planar analogs and tested for their in vitro antitumor and antitubercular activity. The obtained derivatives were also
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdaf379dcd4246b0dbb671199befb2cc
https://doi.org/10.1055/s-0031-1300411
https://doi.org/10.1055/s-0031-1300411
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 179:2509-2517
Cyclization of 1-(3,4,5-trimethoxybenzoyl)-4-substituted thiosemicarbazides 2a–g with sulphuric acid at ambient temperature afforded the selectively demethylated products 2-(4-hydroxy-3,5-dimethoxyphenyl)-5-substituted amino-1,3,4-thiadiazoles 4a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e990cf07a6f90ceefa858a0b60513ed2
https://doi.org/10.1080/10426500490485525
https://doi.org/10.1080/10426500490485525
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis. 23:413-420
A selective high-performance liquid chromatographic procedure for the stability-indicating determination of danazol in the presence of its photolytic degradation products is demonstrated. The photolysis was carried out in glass vials and quartz cell
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdcd9a878bae89b21b61f4377e52b61d
https://doi.org/10.1016/s0731-7085(00)00315-0
https://doi.org/10.1016/s0731-7085(00)00315-0
Autor:
Elrasheed A. Gadkariem, Hamad A. Al-Khamees, H. A. El-Obeid, F. S. El-Shafie, Khalid A. Al-Rashood, G.A.M. Bawazeer
Publikováno v:
Analytical Letters. 32:2809-2823
A simple, sensitive and selective colorimetric method is described for the assay of ampicillin, amoxicillin, cephalexin, cefadroxil and cefaclor in their pharmaceutical preparations. The method is based on measuring the color obtained when the alkali
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86d80616d0b203c1dc2d7caac4b88240
https://doi.org/10.1080/00032719908543008
https://doi.org/10.1080/00032719908543008
Autor:
Ashraf H. Abadi, Hamad A. Al-Khamees
Publikováno v:
Archiv der Pharmazie. 331:319-324
Two series of 3-cyano-2(1H)-oxopyridine and 3-cyano-2(1H)-iminopyridine derivatives carrying various aryl substituents at position 4 and (4-((7-chloro or trifluoromethylquinol-4-yl)amino)phenyl) substituent at position 6 were synthesized and evaluate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58543b53108f14b930724d93e6e061d8
https://doi.org/10.1002/(sici)1521-4184(199810)331:10<319::aid-ardp319>3.3.co
https://doi.org/10.1002/(sici)1521-4184(199810)331:10<319::aid-ardp319>3.3.co
Autor:
Hamad A. Al-Khamees, Elrasheed A. Gadkariem, F. S. El-Shafie, H. A. El-Obeid, Khalid A. Al-Rashood
Publikováno v:
Analytical Letters. 29:381-393
A simple colorimetric procedure is described for the quantitation of ampicillin and amoxicillin in their pharmaceutical preparations. The color production is based on the reaction of the oxidation product of ascorbic acid, dehydroascorbic acid, with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c09dbb7281e99ec045fa83ac36013b55
https://doi.org/10.1080/00032719608000405
https://doi.org/10.1080/00032719608000405
Publikováno v:
Pharmaceutical Research. 13:129-136
Purpose. To design new antithyroid agents with less side effects, the electrotopological-state (E-state) indexes of thiourylene moiety (SN&S) was utilized as a guideline to develop five acyclic thio-urylene-type compounds with reduced antioxidant pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28763ceec430c2d6974ed12acdecaa83
https://doi.org/10.1023/a:1016049921842
https://doi.org/10.1023/a:1016049921842
Autor:
Hamad A. Al-Khamees
Publikováno v:
Journal of the Chinese Chemical Society. 42:947-951
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51ed8a73df2cc4f507521689e9417679
https://doi.org/10.1002/jccs.199500131
https://doi.org/10.1002/jccs.199500131
Autor:
Hamad A. Al-Khamees
Publikováno v:
Analytical Letters. 28:109-120
A simple, quick and sensitive spectrophotometric method based on the combination of norfloxacin and p-benzoquinone at room temperature, apparently by charge-transfer (n → π) mechanism, to yield a 1:1 complex with analytically useful maximum absorp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfbeb7c53ce2d004fc4f90369231e71b
https://doi.org/10.1080/00032719508006021
https://doi.org/10.1080/00032719508006021
Publikováno v:
Archives of Pharmacal Research. 16:186-190
Two series of substituted sulfonylthiazolidin-4-ones and sulfonylthiazolines have been synthesized and examined for their antidiabetic and biological aticity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::001760b7bf248dd2c903791067a9ddc0
https://doi.org/10.1007/bf02974480
https://doi.org/10.1007/bf02974480