Notes. Studies on copper(II) complexes of ortho-quinone mono-oximes: reaction of bis(4-chloro-1,2-benzoquinone 2-oximato)copper(II) with dimethyl acetylenedicarboxylate under various experimental conditions
- 1 January 1984
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 7,p. 1461-1462
- https://doi.org/10.1039/dt9840001461
Abstract
In anhydrous methanol the title complex reacts with dimethyl acetylenedicarboxylate to give methyl 5-chloro-1,3-benzoxazole-2-carboxylate instead of 6-chloro-4-hydroxy-2,3-dimethoxycarbonyl-1,4-benzoxazine as in aqueous solution. The role of water in such reactions is examined and discussed.Keywords
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