73442-74-7Relevant articles and documents
Thermolysis of Oxazolin-5-ones, X. 3-Imidazolines and Δ3-Tetrahydropyrimidines by Thermolysis of 3-Oxazolin-5-ones Derived from N-Acyl Dipeptides
Schulz, Guenter,Steglich, Wolfgang
, p. 770 - 786 (2007/10/02)
On thermolysis 2-(acylaminomethyl)-3-oxazolin-5-ones (3a-g) undergo elimination of CO2 to give nitrile ylides which cyclize to 3-imidazolines 4a-g via intramolecular proton transfer.The 2-acylaminoethyl derivative 3h yields a Δ3-tetrahydropyrim