Hydrochloric Acid → 2-Amino-3-[4-(5-methoxy-2-methyl-3-oxo-2,3-dihydro-pyridazin-4-yl)-phenyl]-propionic acid methyl ester

HRID 1435943

反応式

HRID 1435943 の反応式
[NH2:1][C@@H:2]([CH2:6][C:7]1[CH:12]=[CH:11][C:10]([C:13]2[C:14](=[O:22])[N:15]([CH3:21])[N:16]=[CH:17][C:18]=2[O:19][CH3:20])=[CH:9][CH:8]=1)[C:3]([OH:5])=[O:4].[CH3:23]OC(OC)(C)C.Cl>CO.O1CCOCC1>[CH3:23][O:4][C:3](=[O:5])[CH:2]([NH2:1])[CH2:6][C:7]1[CH:8]=[CH:9][C:10]([C:13]2[C:14](=[O:22])[N:15]([CH3:21])[N:16]=[CH:17][C:18]=2[O:19][CH3:20])=[CH:11][CH:12]=1

参加物

6

実験手順

2-(S)-Amino-3-[4-(5-methoxy-2-methyl-3-oxo-2,3-dihydro-pyridazin-4-yl)-phenyl]-propionic acid (0.40 g, 1.0 mmol) was dissolved in MeOH (2.6 mL). Dimethoxypropane (0.26 mL) and 1N HCl in dioxane (0.33 mL) were added and stirred at room temperature for 24 h. The mixture was concentrated in vacuo to give 2-Amino-3-[4-(5-methoxy-2-methyl-3-oxo-2,3-dihydro-pyridazin-4-yl)-phenyl]-propionic acid methyl ester. MS (ES+) 318.

後処理

  1. concentrationThe mixture was concentrated in vacuo

出典と根拠

ORDレコード
ord-fefe75b7ab6e4f26b6cf7267ccd86610
出典データセット
uspto-grants-2009_11
特許番号
US07618983B2

関連ノート

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