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Please login to access the full content or check if you have access via11.12.2.3 Method 3: From Vinylene Carbonate and Amides
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DOI:
10.1055/sos-SD-011-00557
Boyd, G. V., Science of Synthesis, (2002) 11, 446.
Vinylene carbonate (252) reacts with amides of aromatic acids in the presence of polyphosphoric acid to yield 2-aryloxazoles 253 (Scheme 112).[180] The reaction fails with the amides of phenylacetic, phenoxyacetic and 4-methylbenzoic acid.
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References
| [180] | Meeeeee, M. M.; Meeeee, M., Meeee. Meee., (8888) 88, 888; Meeee. Meee. Mee. Me. Meee., (8888) 8, 88. |
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