Pyridin-Ringschluß von Methylen-bis-cyanessigestern
✍ Scribed by Hellmann, Heinrich ;Seegmüller, Karl
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1958
- Tongue
- English
- Weight
- 358 KB
- Volume
- 91
- Category
- Article
- ISSN
- 0009-2940
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract 4‐Hydroxycoumarin reacts with substituted salicylaldehydes, 2,6‐dichloro‐ or ‐chloro‐nitro‐benzaldehydes to yield unstable 3,3′‐benzylidene‐bis‐(4‐hydroxycoumarins), intermediates which undergo ring closure with the hydroxyl group of one of the 4‐hydroxycoumarin moieties, producing deri
## Abstract Methylen‐bis‐amine, R~2~N—CH~2~—NR~2~, setzen sich mit __o__‐Fluor‐phenyl‐magnesiumbromid zu __o__‐Dialkylaminobenzyl‐dialkylaminen VII um. Der Vorgang wird als Addition der Methylen‐bis‐amine an Dehydrobenzol und innermolekulare __o__‐Aminomethylierungsreaktion der betainartigen Addukt