98451-46-8Relevant articles and documents
Reaktion von trans-1-Arylbutadienen und 1,1-Diarylbutadienen mit Tetracyanethylen (TCNE) und 2,2-Bis(trifluormethyl)ethylen-1,1-dicarbonitril (BTF) : Praeparative Studie.
Drexler, J.,Lindermayer, R.,Hassan, M. A.,Sauer, J.
, p. 2555 - 2558 (2007/10/02)
Trans-1-Arylbutadienes 5 yield normal DIELS-ALDER-adducts 9 and 10 with TCNE 7 and BTF 8.On the other hand 1,1-diarylbutadienes 6 reacting with the same dienophiles give 1:1-adducts 12/13 and/or 14, respectively substitution products 11.At higher temperat