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Chem. papers

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Results 1-3 of 3 (Search time: 0.0 seconds).

Issue DateTitleAuthor(s)
11-Jan-1996CHEMICAL REACTIVITY AND NUCLEOPHILIC RING CLOSURE REACTIONS OF 3-FORMYLCHROMONEH. M. El-Shaaer 
21-Jan-1993REACTIONS OF METHYL DERIVATIVES OF 2-PENTEN-5-OLIDE, 2-BUTEN-4-OLIDE, AND COUMARIN WITH DICARBOXYLIC ANHYDRIDES AND WITH 3-FORMYLCHROMONES UNDER THE PERKIN SYNTHESIS CONDITIONSG. S. MELIKYAN; M. LÁCOVÁ; K. KRÁLOVÁ,; H. M. El-Shaaer ; M. HENSELOVÁ; A. A. AVETISYAN
31-Jan-1995SYNTHESIS OF SOME NEW PIPERAZINE-N,N’-BIS-SUBSTITUTED DERIVATIVES AS POTENTIAL BIOLOGICALLY ACTIVE AGENTSH. M. El-Shaaer ; H. A. Allimony; S. A. Abdel-Aziz; R. M. Abdel-Rahman