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Synthesis of (β-methyl3H-6β-iodopenicillanic acid

✍ Scribed by Fabien De Meester; Jean-Marie Frère; Jean-Louis Piette; Hubert Vanderhaeghe


Publisher
John Wiley and Sons
Year
1985
Tongue
French
Weight
428 KB
Volume
22
Category
Article
ISSN
0022-2135

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✦ Synopsis


A rapid and easy synthesis of tritium-labelled 8-iodopenicillanate, an efficient inactivator of serine B-lactamase, is described. This method involves only three reaction steps after the introduction of the label in the molecule with an overall yield of 16 % .


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## Abstract We have synthesized β‐aminoisobutyric acid (3‐amino‐2‐[^3^H]methyl‐propanoic acid) and β‐ureidoisobutyric acid (3‐[(aminocarbonyl)amino]‐2‐[^3^H]methyl‐propanoic acid) starting with [^3^]thymidine (1‐(2‐deoxy‐β‐D‐ribo‐furanosyl)‐5‐[^3^H]methyluracil). We have developed a simplified enzy