51201-49-1Relevant academic research and scientific papers
Synthesis of 1,2,3,3a,4,5,6,7-Octahydro-9-hydroxypyrazinocycloheptindole Derivatives
Kucklaender, Uwe,Toeberich, Hildegard,Kuna, Krystina
, p. 312 - 317 (1987)
The cycloheptindolones 3a and b are synthesized and transformed into the title compounds 6a,b,c.Methylation of 3a yields the free carboxylic acid 7 which reacts with acetic anhydride to yield the enol lactone 8.Treatment of 8 with methylamine gives the open-chain amide 9.
