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Synthesis of Novel Dipyrazolopyrimidine Fused Heterotricyclic Compounds
Author(s) -
Ying Liu,
XiaoHong Zhang,
GuiYu Jin
Publication year - 2005
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.200590182
Subject(s) - chemistry , combinatorial chemistry
Novel fused heterotricyclic compounds 3–6 containing two different dipyrazolopyrimidine framework were prepared from 1a–1d . The reaction of 1 with K 2 CO 3 in DMSO or NaH in DMF led to the formation of 2 or 3 , respectively, which reacted further to afford 6 or 5 , respectively