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Synthesis of 4-oxo-4H-quino[2,3,4-i,j][1,4]-benoxazine-5-carboxylic acid derivatives

✍ Scribed by Daniel T. W. Chu; Robert E. Maleczka Jr.


Book ID
112128536
Publisher
Journal of Heterocyclic Chemistry
Year
1987
Tongue
English
Weight
286 KB
Volume
24
Category
Article
ISSN
0022-152X

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Synthesis of 3-(4-Oxo-4H-quinolizinyl-3)
✍ Marko Škof; Jurij Svete; Branko Stanovnik 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 279 KB 👁 1 views

## Abstract A one‐step ‘ring switching’ transformation of (__S__)‐3‐[(dimethylamino)methylidene]‐5‐(methoxycarbonyl)tetrahydrofuran‐2‐one (**4**) with 2‐pyridineacetic acid derivatives (**5–7**) and 2‐aminopyridines (**8, 9**) afforded the corresponding 3‐(4‐oxo‐4__H__‐quinolizinyl‐3)‐ **(15–17)**