
Tetrahedron Letters p. 4397 - 4400 (1981)
Update date:2022-08-02
Topics:
Lichtenthaler, Frieder W.
Moser, Alfred
Syntheses for pyrazolo<3,4-g>quinazolin-8(7H)-one (8) and its <3,4-h>-analog 11 have been developed involving elaboration of aminoindazol-caboxylic acids 15 and 30 from correspondingly substituted methyl-nitroindazols, and subsequent anellation of the pyrimidine ring by v.Niementowski cyclization.
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Doi:10.1039/c39810001126
(1981)Doi:10.1016/S0040-4039(01)82981-6
(1981)Doi:10.1002/jhet.5570410523
(2004)Doi:10.1016/S0040-4039(99)02017-1
(2000)Doi:10.1107/S0108270194010449
(1995)Doi:10.1246/bcsj.55.641
(1982)