340245-93-4Relevant academic research and scientific papers
The synthesis of annulated 4-quinolizinones by two sequential anionic cyclizations
Nicola, Thomas,Schwarzrock, Diemut,Keller, Manfred,Eberbach, Wolfgang
, p. 1771 - 1777 (2007/10/03)
Upon base treatment of N-hetaryl substituted heptynone esters of type 9 an efficient ring closure takes place affording cyclohexenone derivatives 11 which undergo a further anionic cyclization to provide tri- and tetracyclic quinolizinone derivatives 12 as final products.
