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Synthesis 1994; 1994(12): 1406-1408
DOI: 10.1055/s-1994-25701
short paper
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Reinvestigation of Synthetic Routes to 1,3,4-Benzoxadiazepin-5-ones and 1,3- Benzoxazepines

Hwa-Ok Kim* , Edward W. Huber, Dirk Friedrich, Norton P. Peet
  • *Marion Merrell Dow Research Institute, 2110 East Galbraith Road, Cincinnati, Ohio 45215, USA
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Publication Date:
25 April 2002 (online)

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Recently reported syntheses of 1,3-benzoxazepines and 1,3,4-benzoxadiazepin-5-ones were reinvestigated and found to produce, instead, 2-(2-hydroxyphenyl)-1,3,4-oxadiazoles and 5-(2-hydroxyphenyl)-1,3-oxazoles, respectively.