27321-50-2Relevant articles and documents
Diversity-oriented synthesis of substituted pyrazolo-[4,3-d][1,2,3]triazin-4-ones
Meibom, Daniel,Bauser, Marcus,Meier, Heinrich,Schneider, Dirk,Svenstrup, Niels,Haebich, Dieter
experimental part, p. 71 - 91 (2009/05/07)
An efficient synthesis of 3,7-disubstituted 3,5-dihydro-4H-pyrazolo-[4,3-d][1,2,3]triazin-4-ones (2), especially suited for late-stage decoration, is described. Diverse 3-benzyl analogs were obtained by amidation-cyclization in one pot and various pyrazol