A new octahydroacridine with a tert-butoxypropyl group in the 9-position was prepared and was used in the synthesis of new soluble annelated polypyridines. Quinquepyridine with 11 adjacent rings was prepared in 17-25% yield by con-[
Synthesis and characterization of new annelated terheterocycles
✍ Scribed by Dr. Peter Bäuerle; Dr. Günther Götz; Peter Emerle; Dr. Helmut Port
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 576 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0935-9648
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📜 SIMILAR VOLUMES
In Figure 1 (page 987) the Torand contains an extra methyl group and in Scheme 2 (page 989) compound 11 should have a dimethylamino group rather than an isopropyl group. The correct versions are given below.
7.8-Dihydroxyflavone reacts with ethyl 2,3-dibromopropanoate to form the new, annellated. 1.4-benzodioxanes 1 containing a flavone saUcturd unit Synthese neuer anellierter Flavonoid-Derivate mit spasmolytischer Akt i v i d , 7. Mitt. The regioisomers la and lb thus obtained were separated and la was
## Abstract For Abstract see ChemInform Abstract in Full Text.
Highly soluble annelated bi-and terpyridines were prepared α,β-unsaturated ketone and the cyclization of the resulting 1,5-diketone in the presence of ammonium acetate. in 46-60% yields by a two-step procedure which combines the Michael addition of an enolizable cyclic ketone with an Annelated polyp