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Thiophene systems. 3. Synthesis of thieno[3,4-b][1,5]benzoxazepin-10-one and thieno[3,4-b][1,5]benzothiazepin-10-one

โœ Scribed by Press, Jeffery B.; Eudy, Nancy H.; Safir, Sidney R.


Book ID
127387791
Publisher
American Chemical Society
Year
1980
Tongue
English
Weight
686 KB
Volume
45
Category
Article
ISSN
0022-3263

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Synthesis of thieno[2,3-b][1,5]benzoxaze
โœ Toshiyuki Kohara; Hiroshi Tanaka; Koreichi Kimura; Hideki Horiuchi; Kohji Seio; ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 104 KB ๐Ÿ‘ 1 views

## Abstract A new series of 4โ€(4โ€methylpiperazinโ€1โ€yl)thieno[2,3โ€__b__][1,5]benzoxazepines **1aโ€k** has been synthesized from 4โ€bromoโ€2โ€methylthiophene **6** or ethyl 2โ€aminoโ€4,5โ€dimethylโ€3โ€thiophencarboxylate **10**. Preparation of the key intermediate thieno[2,3โ€__b__][1,5]benzoxazepineโ€4(5__H__)