77589-58-3Relevant academic research and scientific papers
Rearrangements of Penicillin Sulfoxides. 2. Spectral Data and X-ray Crystallography of the Novel Imidazothiazine Ring System
Nudelman, Abraham,Haran, Tali E.,Shakked, Zippora
, p. 3026 - 3029 (2007/10/02)
The novel imidazothiazine ring system has been obtained by rearrangement of penicillin sulfoxide esters upon treatment with ethoxycarbonyl isocyanate.The unexpected structure of the rearrangement product 4b was established by X-ray analysis.A
