Ring Contracting Rearrangements of 3‐Amino‐4‐(arylamino)‐1H‐isochromen‐1‐ones

  title={Ring Contracting Rearrangements of 3‐Amino‐4‐(arylamino)‐1H‐isochromen‐1‐ones},
  author={Till Opatz and Dorota Ferenc},
  journal={European Journal of Organic Chemistry},
Two new ring contracting rearrangements of 3-amino-4-(arylamino)-1H-isochromen-1-ones, leading to 1-(arylamino)-3-oxo-1,3-dihydroisobenzofuran-1-carboxamides and2-aryl-3-oxo-2,3-dihydro-1H-isoindole-1-carboxamides, are described. Both conversions proceed in high yield and no further purification of the products is necessary. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006) 
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