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ChemInform Abstract: Reaction of 2,2,4,4-Tetramethyl-3-thioxocyclobutanone with Dimethyl Diazomalonate Catalyzed by Rh2(OAc)4.

โœ Scribed by G. Mloston; J. Romanski; H. Heimgartner

Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
33
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Sulfurization of Th
ChemInform Abstract: Sulfurization of Thiones: 2,2,4,4-Tetramethyl-3-thioxocyclobutanone.
โœ R. HUISGEN; J. RAPP; H. HUBER ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 29 KB

Sulfurization of Thiones: 2,2,4,4-Tetramethyl-3-thioxocyclobutanone. -The conformational changes of the bis-spiro derivatives (II) and (III), obtained from the title reaction, are evaluated by dynamic 1H and 13C NMR spectra. Their fragmentation pattern is discussed by mass spectroscopy and their th