반응 #40372

반응 방정식

6-benzyloxy-8-{1-hydroxy-2-[2-(4-isopropylphenyl)-1,1-dimethylethylamino]ethyl}-4H-benzo[1,4]oxazin-3-one

→

6-hydroxy-8-{1-hydroxy-2-[2-(4-isopropylphenyl)-1,1 dimethylethylamino]-ethyl}-4H-benzo [1,4]oxazin-3-one

용매

methanol

반응 조건

후처리

1. 1
   여과filtered
2. 2
   workup.DISTILLATIONthe solvent distilled off
3. 3
   기타the residue recrystallized from isopropanol

실험 절차

1.6 g (3.0 mmol) of 6-benzyloxy-8-{1-hydroxy-2-[2-(4-isopropylphenyl)-1,1-dimethylethylamino]ethyl}-4H-benzo[1,4]oxazin-3-one is dissolved in methanol and hydrogenated with palladium on charcoal as catalyst at normal pressure and ambient temperature. The catalyst is suction filtered, the solvent distilled off, and the residue recrystallized from isopropanol. White solid. Yield: 1.1 g (85%, hydrochloride); melting point 248° C.-250° C.; mass spectrometry: [M+H]+=399.

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