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Synthesis of 3-methyl-2,3,4,4a,5,6-hexahydro-1H-benzofuro[3,2-e]isoquinoline-7(7aH)-ones

✍ Scribed by Dwight D. Weller; Doreen L. Weller

Publisher: Elsevier Science
Year: 1982
Tongue: French
Weight: 219 KB
Volume: 23
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)85808-6

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✦ Synopsis

The 2,3,4,4a,5,

isoquinoline-7(7aH)-one ring system is prepared from a 4-arylpyridine precursor by sequential intramolecular enolate addition to a pyridinium ion, Dieckmann cyclization, and catalytic hydrogenation.

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