Tetrahedron Letters p. 6027 - 6030 (1987)
Update date:2022-08-05
Topics: Reactivity Experimental terms
Gruseck, Ursula
Heuschmann, Manfred
The reactivity of 2-alkylidene-imidazolidines 2 in inverse Diels-Alder syntheses with several pyridazines and 1,2,4-triazines is compared with that of acyclic ketene acetals 1.The 2-cyclopropylidene-imidazolidine 2c is particulary suited for less reactive dienes.
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