Heteropolycyclen vom Triangulen-Typ, I. 8.12-Dihydro-4H-benzo[1.9]chinolizino[3.4.5.6.7-defg]acridin-trion-(4.8.12) und 5.9-Dihydro-chino[3.2.1-de]acridin-dion-(5.9)
✍ Scribed by Hellwinkel, Dieter ;Melan, Michael
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1971
- Tongue
- English
- Weight
- 931 KB
- Volume
- 104
- Category
- Article
- ISSN
- 0009-2940
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## Abstract By heating 2‐chloromethyl‐3,‐5‐dimethyl‐4‐methoxypyridine **(1)** either neat or in solution methoxy group cleavage was achieved, followed by dimerisation to poorly soluble 6,12‐dihydro‐1,3,7,9‐tetramethyl‐5__H__,11__H__‐dipyrido[1,2‐a:1′,2′‐d]pyrazine‐2,8‐dione **(3)** in almost quanti