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Synlett 1991; 1991(7): 481-482
DOI: 10.1055/s-1991-20768
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A Facile Synthesis of Dimethyl Phthalide-3-phosphonates

Mitsuaki Watanabe* , Sunao Furukawa
  • *Center for Instrumental Analysis, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852, Japan
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Publication Date:
07 March 2002 (online)

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Dimethyl phthalide-3-phosphonates having various substituents on the benzene ring were effectively synthesized by the one-pot reaction of dimethyl tert-butyldimethylsilyl phosphite with N,N-diethyl-2-formylbenzamides followed by treatment with methanesulfonic acid.