Soo saar nooc ka sii adag weedhan Claisen dib u habeynta'' wuxuu ku socdaa kuleylinta aalkolada allylic iyadoo ay joogaan'' N, N -'' dimethylacetamide dimethyl acetal si loo sameeyo γ, δ - amide aan dheregsanayn.
Dabcan, nooc ka mid ah jumlada oo aad u adag ayaa ah "dib u habeynta Claisen '' waxay ka socotaa aalkolada allylic ilaa γ, δ - amide aan dhergin, waxaana soo saaray Albert Eschenmoser 1964. "