91271-41-9Relevant academic research and scientific papers
An efficient synthesis of functionalized 6,10-dioxo-6,10-dihydro-5H- pyrido[1,2-a]quinoxalines and 6,10-dioxo-6,10-dihydropyrido[2,1-c][1,4] benzoxazines
Yavari, Issa,Souri, Sanaz,Sirouspour, Mehdi,Bayat, Mohammad J.
, p. 1921 - 1922 (2009)
An efficient synthesis of alkyl 8-hydroxy-6,10-dioxo-6,10-dihydro-5H- pyrido[1,2-a]quinoxaline-7-carboxylates and alkyl 8-hydroxy-6,10-dioxo-6,10- dihydropyrido[2,1-c][1,4]benzoxazine-7-carboxylates is described. This involves the reaction between malonyl dichloride and alkyl 2-[3,4-dihydro-3- oxoquinoxaline 2(1H)-ylidene]acetates or alkyl 2-(2-oxo-2H-benzo[b][1,4]oxazin- 3(4H)-ylidene)acetates in CH2Cl2 at room temperature. Georg Thieme Verlag Stuttgart.
