119719-57-2Relevant articles and documents
2,3-Alkadiensaeureester als Dienophile; Anwendung bei der Synthese von (+)-(R)-Lasiodiplodin
Fink, Margot,Gaier, Hans,Gerlach, Hans
, p. 2563 - 2569 (2007/10/02)
Methyl 2,3-alkadienoates 2 are shown to react at 80 deg C with 1,1-dimethoxy-3-trimethylsilyloxy-1,3-butadiene (1) to give the adducts 3 in good yields.Rearrangement of 3, catalyzed by p-toluenesulfonic acid or by sodium methoxide, affords the 6-substitut