ChemInform Abstract: A Convenient Approach to Pentagonal 2,3′:5′,2′′-Triheterocyclic Compounds.

✍ Scribed by A. RAMILA; J. PLUMET; E. CAMACHO

• Publisher: John Wiley and Sons
• Year: 2010
• Weight: 31 KB
• Volume: 29
• Category: Article
• ISSN: 0931-7597
• DOI: 10.1002/chin.199814109

✦ Synopsis

A Convenient Approach to Pentagonal 2,3':5',2"-Triheterocyclic Compounds.

-Conjugate addition of 2-lithio-1,3-dithiane to 1,3-bis heterocyclic propenones (I) and following hydrolysis yields the ketoaldehydes (IV). They can be easily cyclized to the desired triheterocyclic title compounds (VI) and (VII). -(RAMILA, A.;