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Synthesis of 4-alkyl-3,4-dihydronaphtho[2,3-f]quinoxaline-2,7,12-(1H)-triones and 3-alkyl-5-arylamino-2-chloromethyl-3H-anthra[1,2-d]imidazole-6,11-diones based on reactions of 1-amino-9,10-anthraquinones with chloroacetyl chloride

✍ Scribed by L. M. Gornostaev; M. S. Sokolova; T. I. Lavrikova; O. I. Kargina; G. A. Stashina; S. I. Firgang


Publisher
Springer
Year
2010
Tongue
English
Weight
254 KB
Volume
59
Category
Article
ISSN
1573-9171

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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