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A convenient approach to the total synthesis of (±) 4-demethoxydaunomycinone

✍ Scribed by A.V. Rama Rao; Bhanu Chanda; H.B. Borate

Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
599 KB
Volume
38
Category
Article
ISSN
0040-4020

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## Abstract magnified image Canthin‐4‐one, as well as 5‐ and 6‐alkylcanthin‐4‐ones are readily available through reaction of 1‐acyl‐β‐carbolines with Bredereck's reagent or dimethylacetamide acetals in anhydrous DMF. The intermediate enaminoketones readily undergo cyclization to the canthin‐4‐ones