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2005
Fused pyrimidine derivatives
R 0515
Versatile Synthesis and Fungicidal Activities of 6-Amino-3-Alkylthio-1,5-dihyDerivatives. — A series of new title
07- 147 dro-1-phenyl-pyrazolo[3,4-d]pyrimidin-4-one
pyrazolopyrimidine derivatives (VII) and (VIII) (17 examples in all) is rapidly synthesized from pyrazole o-aminoester (I) using a novel solution-phase regioselective synthetic method. Some of the compounds (VII) exhibit good fungicidal activities, especially against Pellicularia sasakii. — (WANG, H.-Q.; LIU*, Z.-J.; DING, M.-W.;
Phosphorus, Sulfur Silicon Relat. Elem. 179 (2004) 10, 2039-2050; Inst. Org. Synth.,
Norm. Univ., Wuhan 430079, Peop. Rep. China; Eng.) — R. Langenstrassen
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