3a,6-Dihydro-3H-imidazo[1,2-d]tetrazole aus 1- und 4-Phenacyl-1H-tetrazolium-Salzen und Ammoniak
β Scribed by Moderhack, Dietrich ;Bode, Dirk-;Ottfried ;Schomburg, Dietmar
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1993
- Tongue
- English
- Weight
- 458 KB
- Volume
- 126
- Category
- Article
- ISSN
- 0009-2940
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β¦ Synopsis
Treatment of the tetrazolium salts 1 with aqueous ammonia affords the novel ring system 2 (in certain cases along with the ylides 3). The structure of 2 has been confirmed by an Xray analysis of 2a.
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## Synthesis of 7,12-Dihydro-indo~o[3~[l]benzazepin-6-(~~nes and gll-Dihydr~.thieno-[3'3':~]~zepino[qS-b]indol-5(4H)-one The title compounds 4 and 6 were prepared by Fischer indole synthesis. 4a is substituted in 10-position by reaction with bromine in glacial acetic acid. A fast ring inversion is