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Die Synthese von 2,3,4,5-1H-Tetrahydroimidazo[2,1-b]chinazolin-2,5-dionen und analogen 2,3,4,5-1H-Tetrahydroimidazo[1,2-a]thieno[2,3-d] (bzw. [3,2-d])-pyrimidin-2,5-dionen

✍ Scribed by Frank Kienzle; Ado Kaiser; Rudolf E. Minder

Publisher
John Wiley and Sons
Year
1983
Tongue
German
Weight
470 KB
Volume
66
Category
Article
ISSN
0018-019X

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✦ Synopsis

The Synthesis of 2,3,4,5‐1__H__‐Tetrahydroimidazo[2,1‐b]quinazolin‐2,5‐diones and analogous 2,3,4,5‐1__H__‐Tetrahydroimidazo[1,2‐a]thieno[2,3‐d] (or [3,2‐d])‐pyrimidin‐2,5‐diones

The syntheses of various imidazo [2, 1‐b]quinazolinediones and their thiophene analogs are described.

📜 SIMILAR VOLUMES

Synthesis of new heteroaromatic nitrogen
Synthesis of new heteroaromatic nitrogen ligands: Pyrimido-[4″,5″:4′,5′]-thieno[3′,2′:4,5]thieno[3,2-d]pyrimidines and 1,2,3-triazine[4″,5″:4′,5′]thieno[3′,2′:4,5]thieno[3,2-d]-1,2,3-triazines
✍ Gerardo Blanco; José M. Quintela; Carlos Peinador 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 126 KB 👁 1 views

## Abstract magnified image An efficient one‐pot access for the synthesis of the previously unreported tetracyclic fused pyrimido‐[4″,5″:4′,5′]thieno[3′,2′:4,5]thieno[3,2‐__d__]pyrimidine (**3**) and 1,2,3‐triazine[4″,5″:4′,5′]thieno‐[3′,2′:4,5]thieno‐[3,2‐__d__]‐1,2,3‐triazine (**5**) heteroaroma