YAKUGAKU ZASSHI
Online ISSN : 1347-5231
Print ISSN : 0031-6903
ISSN-L : 0031-6903
ピラツォロン誘導体の合成 (第6報)
1,1-Bis〔(1-phenyl-2-methyl-5-oxo-3-pyrazolin-3-yl)methyl〕methylamineの合成
伊藤 磯雄
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1961 年 81 巻 12 号 p. 1727-1730

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1, 1-Bis[(1-phenyl-2-methyl-5-oxo-3-pyrazolin-3-yl)methyl]methylamine was pre pared from ethyl bis[(1-phenyl-2-methyl-4-bromo-5-oxo-3-pyrazolin-3-yl)methyl]-malonate, formed as a by-product during the synthesis of ethyl [(1-phenyl-2-methyl-4-bromo-5-oxo-3-pyrazolin-3-yl)methyl]malonate. The amine was converted to its N, N-dimethyl derivative and 1, 9-dimethyl-2, 8-diphenyl-1, 2, 8, 9, 10a, 11-hexahydro-3H-dipyrazolo [3, 4-b:4′, 3′-g] quinolizine-3, 7(4H, 6H, 10H)-dione was synthesized.

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© by the PHARMACEUTICAL SOCIETY OF JAPAN
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