Tetrahedron Letters p. 3947 - 3950 (1985)
Update date:2022-08-05
Topics:
Martin, Pierre
Streith, Jacques
Rihs, Grety
Winkler, Tammo
Bellus, Daniel
An efficient method for the synthesis of 4-methoxycarbonyl-6-trifluoromethyl-2H-pyran-2-one (4) starting from the 1:1-adduct of the CuCl-catalysed addition of 1,1,1-trichloro-2,2,2-trifluoroethane to dimethyl itaconate is presented.The new electrophilic 2
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