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Organophosphorus intermediates—II: Deoxygenative dimerisation of maleic anhydrides by triethyl phosphite |
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| Authors: | C.W. Bird D.Y. Wong |
| Affiliation: | Department of Chemistry, Queen Elizabeth College, Campden Hill, London, W8 7AH UK |
| Abstract: | Treatment of disubstituted maleic anhydrides with triethyl phosphite generates bifurandiones. In some instances bifurandione derivatives undergo acid-catalysed rearrangement to pyrano[3,2-b]pyran-2,6-diones. |
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