Disclosed is a novel compound having Syk and/or Abl inhibitory activities, which is useful for prevention/treatment of allergic diseases, autoimmune diseases, arthritides and cancers. Specifically disclosed is a pyrazolopyrimidine compound represented by
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Page/Page column 18
(2009/12/07)
Synthesis of pyrazolo[3,4-d]pyrimidine derivatives using ketene dithioacetals
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Tominaga,Honkawa,Hara,Hosomi
p. 775 - 783
(2007/10/02)
Synthesis of N-(5-aminopyrazol-3-yl)amino and N-(5-amino-1,2,4-triazol-3-yl)amino acids
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Yokoyama,Kumata,Noro,Kogo
p. 553 - 555
(2007/10/02)
Synthesis and biological activity of certain 3,4-disubstituted pyrazolo[3,4-d]pyrimidine nucleosides
A number of 3,4-disubstituted pyrazolo[3,4-d]pyrimidine ribonucleosides were synthesized and tested for their biological activity. Glycosylation of persilylated as well as nonsilylated 3-bromoallopurinol with 1-O-acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose