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2005
Organo-phosphorus compounds
S 0080
Studies on Organophosphorus Compounds. Part 132. A Novel Route to
via Rhodium-Catalyzed Hetero07- 172 3-(O,O-Diethylphosphoryl)-2,3-dihydrofurans
cycloaddition Reaction. — The rhodium-catalyzed heterocycloaddition reaction of
diethyl 1-diazo-2-oxo-alkylphosphonates (I) with alkyl vinyl ethers (II) is studied.
Vinyl derivatives with an electron-withdrawing substituent are not applicable to this
reaction. — (GONG, D.; ZHANG, L.; YUAN*, C.; Synth. Commun. 34 (2004) 18,
3251-3258; Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep.
China; Eng.) — H. Haber
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