Tetrahedron Letters p. 355 - 358 (1991)
Update date:2022-07-30
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Despite the reported unreactivity of dimethyl isopropylidene malonate 1a as a Diels-Alder dienophile, moderate yields of cycloadducts are obtained with various dienes in refluxing CHCl3 in the presence of catalytic amounts of AlCl3.
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(2012)
