## Abstract For Abstract see ChemInform Abstract in Full Text.
ChemInform Abstract: Pyrazolo[4′,3′:5,6]pyrano[2,3-b]quinoxalin-4(1H)-one: Synthesis and Characterization of a Novel Tetracyclic Ring System.
✍ Scribed by Gernot A. Eller; Barbara Datterl; Wolfgang Holzer
- Publisher
- John Wiley and Sons
- Year
- 2008
- Weight
- 23 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0931-7597
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A Novel Synthesis of Pyrazolo(1,2-b)phthalazines and Pyrido(2',3':3,4) pyrazolo(1,2-b)phthalazines; a New Ring System. -Base-catalyzed reaction of phthalhydrazide (I) with malonic acid derivatives provides smoothly pyrazolophthalazines (cf. (III), (X)) which can be transformed into novel pyridopyraz