37703-56-3Relevant academic research and scientific papers
Tri- and tetracyclic heteroaromatic systems: Synthesis of novel benzo-, benzothieno- and thienofused pyrano[2,3-c]pyrazol-4(1H)-ones
Eller, Gernot A.,Haring, Andreas W.,Datterl, Barbara,Zwettler, Maryam,Holzer, Wolfgang
, p. 87 - 104 (2008/02/02)
A straightforward, two-step synthesis of chromeno[2,3-c]pyrazol-4(1H)-ones, thieno[2′,3′:5,6]pyrano[2,3-c]pyrazol-4(1H)-ones, and [1]benzo-thieno[2′,3′:5,6]pyrano[2,3-c]pyrazol-4(1H)-ones, respectively, is presented. Hence, treatment of 1-substituted or 1
