Pd and CO--ureally got me! The title reaction proceeds efficiently at 18 degrees C under CO (1 atm) with 5 % [Pd(OTs)(2)(MeCN)(2)] as precatalyst. Depending on the solvents used, either anthranilates or cyclic imides can be obtained in high yields (see picture, BQ = benzoquinone, Ts = 4-toluenesulfonyl).
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2661427 | PMC |
| http://dx.doi.org/10.1002/anie.200805842 | DOI Listing |
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