Microwave-Promoted Solid-Acid-Catalyzed One-Pot Synthesis of Phthalazinones

 

 

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Microwave-Promoted Solid-Acid-Catalyzed One-Pot Synthesis of Phthalazinones

przez Synthesis autor: Béla Török, Verona M. Outerbridge, Shainaz M. Landge, Hiroko Tamaki dnia 09-04-27

Synthesis
DOI: 10.1055/s-0028-1088074

Abstract

A one-pot, solid-acid-catalyzed, microwave-assisted synthesis of phthalazinones is described. The commercially available montmorillonite K-10 effectively catalyzed the condensation and substitution reactions. The approach was based on the direct cyclization of phthalaldehydic acid and opianic acid with substituted hydrazines. The reactions provided excellent yields and high selectivities in very short time (5-35 minutes).
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© Georg Thieme Verlag Stuttgart ˙ New York

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