Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Syntheses for pyrazolo[3,4-g]quinazolin-8(7H)-one ( ) and its [3,4-h]-analog 11 have been developed involving elaboration of aminoindazolcarboxylic acids and from correspondingly substituted methylnitroindazols, and subsequent anellation of the pyrimidine ring by v. Niementowski ...