CAS: 7057-22-9; 3-Methyl-1H-Pyrazolo[4,3-D]Pyrimidin-7-Amine

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13877-56-0 501920-08-7 51222-25-4

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    pyrimidine7-chloro-3-methyl-1H-pyrazolo4,3-dpyrimidine (2)H-pyrazole-3-carboxylic acid amide5-methyl-4-nitro-1(2)H-pyrazole-3-carboxylic acid amide 3-methyl-4-nitropyrazole-5-carboxylic acid pyrimidine3-methyl-7-oxo-6,7-dihydro-1H-pyrazolo4,3-dpyrimidine

    合成工艺路线路线简述

      📜4-氨基-5-甲基-1H-吡唑-3-甲酰胺置于乙醇,氨,N,N-二甲基苯胺,三氯氧磷体系中,化学反应生成 7-氨基-3-甲基吡唑并[4,3-D]嘧啶
      参考文献:Potential Purine Antagonists. V. Synthesis Of Some 3-Methyl-5,7-Substituted Pyrazolo[4,3-D]Pyrimidines1,2
      标题:Potential Purine Antagonists. V. Synthesis Of Some 3-Methyl-5,7-Substituted Pyrazolo[4,3-D]Pyrimidines1,2
      摘要:
      DOI:10.1021/jo01114A001

      专利信息


      专利号:US-2007276139-A1
      优先权日:2004-02-10
      标题:Substituted Pixyl Protecting Groups for Oligonucleotide Synthesis
      发明人:SONG QUANLAI; KHAMMUNGKHUNE SAK; ROSS BRUCE S; GRIFFEY RICHARD H
      权利人:SONG QUANLAI; KHAMMUNGKHUNE SAK; ROSS BRUCE S; GRIFFEY RICHARD H
      摘要:The present invention describes an improved hydroxyl protecting group of formula (1), wherein R 2 and R 7 are specified substituents and Q is O, S, NR 10 or N(Câ•?O)R 10 .

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      ✅ COA系统入驻 | 共享模式

      合成参考文献


      摘要:B. M. Lynch, R. K. Robins, and C. C. Cheng. J. Chem. Soc. 1958, 2973.
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