Browsing QU Ceased Journals by Author "Heiba, H. I."

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    • Constituents of plants growing in qatar x.* seasonal variations of the volatile oil of cymbopogon parkeri 

      Rizk, A. M. [عبد الفتاح محمد رزق]; Sandra, P.; Mashaly, M.; Heiba, H. I. ( Qatar University , 1985 , Article)
      The seasonal variation of the volatile oil of Cymbopogon parkeri Stapf. was studied. The oil content is higher during the hot dry season than during the humid hot season and the cold season. No qualitative differences among ...

    • Heterocyclic Aminoacrylate Esters Of Potential Biological Activity 

      Abdel Rahman, M. O.; Heiba, H. I.; عبد الرحمن, محمد عمر; هيبة, حلمي إسماعيل ( Qatar University , 1985 , Article)
      This work describes the synthesis of N-substituted piperidyl 2-benzoxazole acrylates (la-d); 2-benzothiazole acrylates (2a-d); 2-furyl acrylates (3a-d) and 2-thiophene acrylates (4a-d). The esters of 3-quinuclidyl (Ie, 2e, ...