Selective synthesis of 2,5-disubstituted furan-3-carboxylates and the isomeric 2,4-disubstituted furan-3-carboxylates?
RSC Advances Pub Date: 2015-09-16 DOI: 10.1039/C5RA14273C
Abstract
An unprecedented Ag2CO3 and DBU mediated cyclization of 3-substituted 2-(2-bromoallyl)-3-oxo-1-carboxylates leading to the formation of 2,5-disubstituted furan-3-carboxylates has been reported. In the absence of a silver salt, the isomeric 2,4-disubstituted furan-3-carboxylates are obtained.
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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