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Synlett 1999; 1999(9): 1383-1386
DOI: 10.1055/s-1999-2838
DOI: 10.1055/s-1999-2838
letter
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Synthesis of [1,2-b] and [2,1-b]Quinazoline Ring Systems via Suitably Substituted α-Cyanoamines
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Publication History
Publication Date:
31 December 1999 (online)
![](https://www.thieme-connect.de/media/synlett/199909/lookinside/thumbnails/10.1055-s-1999-2838-1.jpg)
A novel entry into tetrahydro-6H-isoquino[1,2-b]quinazoline and hexahydro-5aH-pyrido[2,1-b]quinazoline ring systems is outlined employing 1,2,3,4-tetrahydroisoquinoline and piperidine as starting material. The anodic cyanation of N-substituted aliphatic amines constitute the key step of the synthesis of the quinazolines 3 and 9.
electrochemistry - nitrogen heterocycles - oxidation - tandem reaction - iminium ion