ピラツォロン誘導体の合成研究(第25報)Thiopyrano[3,4-c]pyrazole誘導体の合成
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1-Methyl-4-oxo-2-phenyl-1,2,4,5-tetrahydro-3(7H)-thiopyrano[3,4-c]pyrazolone (IV) and its derivatives were synthesized. The reaction of 4-hydroxyimino-1-methyl-2-phenyl-1,2,4,5-tetrahydro-3(7H)-thiopyrano[3,4-c]pyrazo1one (VI) with phosphorus pentachloride gave 2-[(4-chloro-2-methyl-1-phenyl-3-pyrazoline-3-methyl)thio]acetonitrile (X).
- 公益社団法人日本薬学会の論文
- 1975-07-25
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