Abstract
Reaction of arylmethylidene derivatives of furan-2(3H)-one with ethyl diazoacetate is accompanied by elimination of nitrogen and leads to the substituted pyran-3(2H)-ones.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 10, pp. 2049–2050, October, 2007.
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Kamneva, I.E., Burukhina, O.V. & Egorova, A.Y. Ring expansion in 5-aryl-3-arylmethylidenefuran-2(3H)-ones by the reaction with ethyl diazoacetate. Russ Chem Bull 56, 2121–2122 (2007). https://doi.org/10.1007/s11172-007-0332-5
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DOI: https://doi.org/10.1007/s11172-007-0332-5