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Synthesis 2000; 2000(11): 1523-1525
DOI: 10.1055/s-2000-7602
DOI: 10.1055/s-2000-7602
short paper
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A Convenient Divergent Approach to the Alkaloids Isaindigotone and Luotonin A
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
![](https://www.thieme-connect.de/media/synthesis/200011/lookinside/thumbnails/10.1055-s-2000-7602-1.jpg)
Deoxyvasicinone has been used as the key intermediate to prepare the alkaloids isaindigotone and luotonin A. This intermediate is directly converted into isaindigotone by condensation with 4-acetoxy-3,5-dimethoxybenzaldehyde; alternatively oxidation with SeO2 afforded the pyrrolo[2,1-b]quinazoline-3,9-dione, a putative precursor of the luotonin A.
alkaloids - condensation - oxidations - isaindigotone - luotonin A - deoxyvasicinone - o-azidobenzoyl chloride