✦ LIBER ✦
Reaktionen mit Cyclobutendionen, LXI1) Notiz zur Synthese von 3,4-Dihydro-7-phenyl-2H,6H-cyclopenta[b][1,4]dithiepin-6,8(7H)-dion durch Umlagerung eines Dithianylcyclobutenons
✍ Scribed by Ried, Walter ;Vogl, Manfred
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 120 KB
- Volume
- 1982
- Category
- Article
- ISSN
- 0947-3440
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✦ Synopsis
Reactions with Cyclobutenediones LXIV^1)^. – Note on the Synthesis of 3,4‐Dihydro‐7‐phenyl‐2__H__,6__H__‐cyclopenta[b][1,4]dithiepin‐6,8(7__H__)‐dione by Rearrangement of a Dithianylcyclobutenone
The cyclobutene‐1,2‐dione 1b reacts with 2‐lithio‐1,3‐dithiane to give the hydroxycyclobutenone 4. In strong acids 4 can be converted into the bicyclic hetero compound 5.