An Improved Method for the Synthesis of Substituted Cyclobutenediones

DOI: 10.1021/jo00246a017

Source and publish data:

Journal of Organic Chemistry p. 2482 - 2488 (1988)

Update date:2022-08-03

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Authors:

Liebeskind, Lanny S.

Fengl, Richard W.

Wirtz, Kevin R.

Shawe, Thomas T.

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Article abstract of DOI:10.1021/jo00246a017

Practical and high yielding routes to substituted cyclobutenediones are described. 3,4-Bis(1-methylethoxy)cyclobut-3-ene-1,2-dione (diisopropyl squarate), a stable, crystalline derivative of squaric acid, was easily prepared by refluxing squaric acid in 2

Full text of DOI:10.1021/jo00246a017

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Product name:3-(1-methylethoxy)-4(phenylethynyl)cyclobut-3-ene-1,2-dione

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