96429-63-9Relevant articles and documents
Further Studies on the Ring Transformation of Pyrimido-as-triazine 4-Oxides to Pyrrolopyrimidines Involving 1,3-Dipolar Cycloaddition Reactions
Kanazawa, Hashime,Ichiba, Misuzu,Shimizu, Nobuyuki,Zenzo, Tamura,Senga, Keitaro
, p. 2413 - 2416 (2007/10/02)
The reaction of 3-alkyl(or aryl)-6,8-dimethylpyrimido-as-triazine-5,7(6H,8H)-dione 4-oxides (1a-f) with ethyl phenylpropiolate (EPP) in toluene afforded the unexpected 6-alkyl(or aryl)-5-benzoyl-7-(ethoxy-carbonyl)-1,3-dimethylpyrrolopyrimid