A novel rearrangement of a penicillanic acid derivative
- 1 January 1970
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society D: Chemical Communications
- No. 1,p. 14-15
- https://doi.org/10.1039/c29700000014
Abstract
Triethylamine in chloroform triggers the rearrangement of methoxymethyl 6β-p-nitrobenzylideniminopenicillanate to methoxymethyl 2,3,4,7-tetrahydro-2,2-dimethyl-6-p-nitrobenzylidenimino-7-oxo-1,4-thiazepine 3(S)-carboxylate, which rearranges further to the triethylamine salt of 3-(1-carboxy-2-methylprop-1-enyl)-2,3-dihydro-5-p-nitrobenzylidenimino-6-oxo-1,3-thiazine.Keywords
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