Hydrochloric Acid → 3-(2-Amino-3-methylaminocarbonyloxypropoxy)-5-chloro-1,2-benzoisoxazole hydrochloride
反応式
CC(O)C.Cl.C(OC([NH:13][CH:14]([CH2:27][O:28][C:29]([NH:31][CH3:32])=[O:30])[CH2:15][O:16][C:17]1[C:21]2[CH:22]=[C:23]([Cl:26])[CH:24]=[CH:25][C:20]=2[O:19][N:18]=1)=O)(C)(C)C>CO>[ClH:26].[NH2:13][CH:14]([CH2:27][O:28][C:29]([NH:31][CH3:32])=[O:30])[CH2:15][O:16][C:17]1[C:21]2[CH:22]=[C:23]([Cl:26])[CH:24]=[CH:25][C:20]=2[O:19][N:18]=1参加物
5
実験手順
In 10 ml of methanol is dissolved 3-(2-tert-butoxycarbonylamino-3-methylaminocarbonyloxypropoxy)-5-chloro-1,2-benzoisoxazole, and to this solution is added 9.6 ml of a 2-propanol solution (7.5N) of hydrogen chloride, and they are subjected to reaction at 20°-25° C. for 4.5 hours. The solvent is removed from the reaction mixture by distillation under reduced pressure, and to the residue obtained is added 5 ml of 2-propanol, after which the crystals precipitated are collected by filtration, to obtain 0.30 g of colorless, crystalline 3-(2-amino-3-methylaminocarbonyloxypropoxy)-5-chloro-1,2-benzoisoxazole hydrochloride having a melting point of 206°-209° C.
後処理
- customare subjected to reaction at 20°-25° C. for 4.5 hours
- customThe solvent is removed from the reaction mixture by distillation under reduced pressure
- customto the residue obtained
- customafter which the crystals precipitated
- filtrationare collected by filtration
出典と根拠
- ORDレコード
- ord-303b994a51634e5d92f9986586fbfa76
- 出典データセット
- uspto-grants-1996_11
- 特許番号
- US05578627
反応ノート
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