One-pot preparation of pyranoquinolinones by ytterbium(III) trifluoromethanesulfonate-catalyzed reactions: Efficient synthesis of flindersine, N-methylflindersine, and zanthosimuline natural products

Authors
Lee, YR Kweon, HI Koh, WS Min, KR Kim, YS Lee, SH
Citation
Yr. Lee et al., One-pot preparation of pyranoquinolinones by ytterbium(III) trifluoromethanesulfonate-catalyzed reactions: Efficient synthesis of flindersine, N-methylflindersine, and zanthosimuline natural products, SYNTHESIS-S, (12), 2001, pp. 1851-1855
Citations number
34
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
SYNTHESIS-STUTTGART
ISSN journal
00397881 → ACNP
Issue
12
Year of publication
2001
Pages
1851 - 1855
Database
ISI
SICI code
0039-7881(200109):12<1851:OPOPBY>2.0.ZU;2-9
Abstract
An efficient synthesis of pyranoquinolinones is achieved by ytterbium(III) triflate-catalyzed reaction of 4-hydroxy-2-quinolones with a variety of alp ha,beta -unsaturated aldehydes in moderate yields. This new method has been applied to the synthesis of pyranoquinolinone alkaloids.