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New rearrangement of arylhydrazones in polyphosphoric acid: formation of diaryl ethers. 4

โœ Scribed by Fusco, R.; Sannicolo, F.

Book ID
115314184
Publisher
American Chemical Society
Year
1981
Tongue
English
Weight
400 KB
Volume
46
Category
Article
ISSN
0022-3263

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The isomerisation of 1,4-diarvl-2-azetidinones in cold concentrated sulohuric acid to qive the correspondinq 3,4-dihydro-4-arylquinolin-2(1H)-ones (e.a. la + 2a) was first reported hy Knunyants and Gambaryan' and the results were recently confirmed and extended2. We have found that the chloro-comnou