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Synthesis 1990; 1990(8): 703-704
DOI: 10.1055/s-1990-26988
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A Facile Synthesis of 2-Phenylimino-3(2H)-benzofuranones from the Silyl Enol Ether of 2-Hydroxyacetophenones and Nitrosobenzene

Masatomi Ohno* , Motohisa Ido, Sadahiro Shimizu, Shoji Eguchi
  • *Institute of Applied Organic Chemistry, Faculty of Engineering, Nagoya University, Chikusa, Nagoya 464, Japan
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Publication Date:
17 September 2002 (online)

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The addition of nitrosobenzene to the silyl enol ether of 2-hydroxy-acetophenones followed by desilylation, elimination, cyclization and oxidation afforded 2-phenylimino-3(2H-benzofuranones without isolation of the intermediates.