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Reactions of Cephalosporin Sulfones. Part 3. Synthesis of 2-Phenylhydrazonocephem-Sulfones. A New Potential Entry to 2-Aminocephems.

โœ Scribed by Tamas E. Gunda; Gyula Batta


Publisher
John Wiley and Sons
Year
2006
Weight
14 KB
Volume
37
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Reactions of Cephal
โœ T. E. GUNDA; G. N. SZOEKE ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 35 KB ๐Ÿ‘ 2 views

Reactions of Cephalosporin Sulfones. Part 2. Rearrangement of 2ฮฑ-Bromocephem Sulfones to Pyrroles. -Two different "rearrangements" of the known bromocephem (I) are observed on standing in different solvents. The mechanistical explanations base on the inverse polarity of the C 2 -Br bond (ฮด + at Br)