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ChemInform Abstract: Difunctional Heterocycles: A Convenient Synthesis of Bis(4,5-dihydropyrazolyl) Ethers from Their Precursor Bis(chalcones).

✍ Scribed by Ahmed H. M. Elwahy

Publisher
John Wiley and Sons
Year
2010
Weight
30 KB
Volume
31
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a β€œFull Text” option. The original article is trackable via the β€œReferences” option.

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A Convenient Synthesis of 4,5-Bis(trifluoromethyl)pyridazines. -3-Hydrazono-1,1,1-trifluoroalkan-2-ones (I) undergo acid-catalyzed selfcondensation to give the title compounds in moderate yields. The hydrazones are also capable of cycloaddition reactions to acetylene dicarboxylate. -