Tunable regioselective synthesis of pyrazolo[3,4-d]pyrimidine derivatives via aza-Wittig cyclization and dimroth-type rearrangement
RSC ADVANCES(2015)
摘要
A novel tunable regioselective synthesis of pyrazolo[3,4-d]pyrimidine derivatives via aza-Wittig/Ag(I) or base-promoted tandem reaction has been developed. This approach provides a simple and efficient way to construct pyrazolo[3,4-d]-pyrimidine derivatives under mild conditions.
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关键词
tunable regioselective synthesis,cyclization,aza-wittig,dimroth-type
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