NDLI: Thermolyse und Photolyse von cyclischen

Content Provider	Semantic Scholar
Author	Diazoverbindungen
Copyright Year	2013
Abstract	H an s-D ie trich S tachel*, H erm an n P oschenrieder, Ju tta R edlin Institut für Pharmazie und Lebensmittelchemie der Universität München, Sophienstraße 10, D-80333 München Z. Naturforsch. 51b, 1325-1333 (1996); eingegangen am 9. Mai 1996 Diazoketones, Reductones, 2-Oxetanones, 2-Thietanones, 2-Azetidinones The rhodium-catalyzed decomposition of the diazoketones 4 in teAY-butyl alcohol at 130 °C furnishes the monoenolethers 5 and, after deprotection, the ac/-reductones 6. In absence of intercepting agents the intermediate carbenes preferentially undergo Wolff rearrangement with ring contraction. In this case the /J-thiolactone 10b or the /J-lactone 13 or the /Mactam 14 are thermolysis products of the corresponding diazoketones. During photolysis of the diazoketones 4d/4g in presence of alcohols the 2-azetidinones lOc/d are formed.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://zfn.mpdl.mpg.de/data/Reihe_B/51/ZNB-1996-51b-1325.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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