Syntheses and properties of benzodipyrri
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Stefan E. Boiadjiev; David A. Lightner
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Article
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2003
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Journal of Heterocyclic Chemistry
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English
β 55 KB
## Abstract 2,3βBenzannelated dipyrrinone analogs (**1** and **2**) of xanthobilirubic acid (**3**) are prepared by baseβcatalyzed condensation of isoindolinone (**5**) and indolinβ2βone (**6**) respectively, with methyl 3β(2βformylβ3,5βdimethylβ1__H__βpyrrolβ4βyl)propanoate (**4**). Nuclear Overha