Triphenylphosphine-mediated synthesis of the E/Z isomers of methyl 6-(1,2-di(methoxycarbonyl))-8-(ethyl carbamoylformyl)-2-oxo-2H-chromene-4- carboxylate

DOI: 10.1080/10426500500272301

Source and publish data:

Phosphorus, Sulfur and Silicon and the Related Elements p. 1011 - 1016 (2006)

Update date:2022-08-04

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Authors:

Yavari, Issa

Feiz-Javadian, Fakhrossadat

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Article abstract of DOI:10.1080/10426500500272301

Triphenylphosphine-mediated reaction of dimethyl acetylenedicarboxylate with ethyl (2-hydroxyphenylcarbamoyl)formate in boiling toluene produces a mixture of methyl 8-(ethyl carbamylformyl)-2-oxo-2H-chromene-4-carboxylate and the E/Z isomers of methyl 6-(

Full text of DOI:10.1080/10426500500272301

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