反応式
[CH:1]1[CH:2]=[CH:3][C:4]2[CH:10]3[CH2:11][N:12](C(C4CCCCC4)=O)[CH2:13][C:14](=[O:15])[N:9]3[CH2:8][CH2:7][C:5]=2[CH:6]=1.COC(OC)CNCC(NCCC1C=CC=CC=1)=O>>[O:15]=[C:14]1[N:9]2[CH2:8][CH2:7][C:5]3[C:4]([CH:10]2[CH2:11][NH:12][CH2:13]1)=[CH:3][CH:2]=[CH:1][CH:6]=3参加物
3
実験手順
Further embodiments disclosed herein provide a process for the preparation of Praziquantel of formula I by cyclisation of 2-[(2,2-dimethoxyethyl)amino]-N-(2-phenylethyl)acetamide using an acid in the presence of a solvent to obtain 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline; and acylation of 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline with cyclohexanoylchloride in presence of a base and a solvent to obtain Praziquantel.
後処理
- customFurther embodiments disclosed herein provide a process
出典と根拠
- ORDレコード
- ord-5b292083e3c441d79e3c3f9a7a28c18c
- 出典データセット
- uspto-grants-2014_06
- 特許番号
- US08754215B2
関連ノート
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