Cyclic imides IV. The reaction of some N‐substituted nitrophthalimides with sodium methoxide
- 1 September 1966
- journal article
- research article
- Published by Wiley in Journal of Heterocyclic Chemistry
- Vol. 3 (3) , 333-335
- https://doi.org/10.1002/jhet.5570030319
Abstract
Treatment of methyl 4‐nitrophthalimidoacetate (I) with sodium methoxide in refluxing methanol results in a Gabriel‐Colman rearrangement to give 7 ‐ nitro‐4‐hydroxy‐3‐carbomethoxy‐1(2H) ‐ isoquinolone (II). Under the same conditions, N‐substituted 3‐nitrophthalimides (IV) yield N‐substituted 3‐methoxyphthalimides (V).Keywords
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