Dimethyl isopropylidene malonate, the 'forgotten' dienophile
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.
Chapuis
p. 355 - 358
(2007/10/02)
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