929569-12-0Relevant articles and documents
An efficient approach to heterocyclic analogues of xanthone: A short synthesis of all possible pyrido[5,6]pyrano[2,3-c]pyrazol-4(1H)-ones
Eller, Gernot A.,Wimmer, Veronika,Haring, Andreas W.,Holzer, Wolfgang
, p. 4219 - 4229 (2008/09/16)
An efficient and generally applicable synthesis of various [5,6]pyrano[2,3-c]pyrazol-4(1H)-ones by the reaction of either 1-substituted or 1,3-disubstituted 2-pyrazolin-5-ones with different o-halopyridinecarbonyl chlorides or with 3-chloroquinoline-2-car