Catalytic Synthesis of Heterocycles. 1 X. Dehydrocyclization of 4-Ethyl-3-pyridinethiol to 6-Azathianaphthene
✍ Scribed by HANSCH, CORWIN; CARPENTER, WAYNE; TODD, JAMES
- Book ID
- 121253392
- Publisher
- American Chemical Society
- Year
- 1958
- Tongue
- English
- Weight
- 386 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0022-3263
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Synthese von Heterocyclen, L '). -Synthese von 2,4-Diaryl-5-cyan-l,6-dihydrod-thioxo-3-pyridincarbonsaure-ethylestern aus u-Benzoylzimtsaure-ethylestern Die Umsetzung von a-Benzoylzimtsaure-ethylestern 2 mit Cyanthioacetamid (1) in Methanol/Natriummethanolat fiihrt zu den Natriumsalzen der 2,4-Diary
## Abstract __N__‐Methylcycloalkano[__b__]indoles 1a, 1c–d and __N__‐methylindeno[1,2‐__b__]indole (1e) react with 2,6‐dichlorobenzonitrile oxide (2) to afford regioselectively propellanes 3. Catalytic hydrogenation of compounds 3 proceeds via the labile β‐hydroxyimines 4, which are further decompo