A High-Yield Route to 1,2-Dihydrocyclobutabenzene-3,6-dicarboxylic Acid
- 1 January 1992
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1992 (12) , 1265-1268
- https://doi.org/10.1055/s-1992-26354
Abstract
A simple five-step method for preparing the previously unknown 1,2-dihydrocyclobutabenzene-3,6-dicarboxylic acid (XTA) in high yield is presented. All intermediates were crystalline compounds which allowed the preparation to be scaled up without complication. The title compound is of interest as a crosslinkable derivative of the widely used monomer, terephthalic acid (TA).Keywords
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