Conclusions
Acyl isocyanates react withβ- keto esters to give both O- and C-addition products. The O-addition products subsequently rearrange to the thermodynamically more stable C-addition products.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1344–1349, June, 1980.
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Arbuzov, B.A., Zobova, N.N. & Yakupova, S.K. Reaction of acyl isocyanates with β-keto esters. Russ Chem Bull 29, 963–967 (1980). https://doi.org/10.1007/BF00958817
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DOI: https://doi.org/10.1007/BF00958817