106690-54-4Relevant articles and documents
A Facile Method for the Preparation of 2-Substituted Pyrimidin-4(3H)-ones by a Retro-Diels-Alder Reaction
Stajer, Geza,Szabo, Angela E.,Bernath, Gabor,Sohar, Pal
, p. 290 - 292 (2007/10/02)
diexo-3-Aza-4-oxotricyclo2.5>non-7-ene (1) reacted with carboximidic esters by ring expansion to yield tricyclic 5,6-dihydropyrimidin-4(3H)-ones 3; when the latter were refluxed in chlorobenzene solution, cyclopentadiene split off to gi