1-Azabicyclo[3,2,0]hept-3-ene-2,7-diones. A new heterocyclic system
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society D: Chemical Communications
- No. 21,p. 1364
- https://doi.org/10.1039/c29710001364
Abstract
4-Methoxy-1-azabicyclo[3,2,0]hept-3-ene-2,7-dione (III) has been prepared both by a Beckmann rearrangement of 4-methoxy-o-benzoquinone 1-(O-phenyl-sulphonyl)oxime (I) followed by ring contraction and by cyclization of 5-cyano-3-methoxypenta-cis-2,trans-4-dienoic acid (V).Keywords
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