2-Methyl 1-(phenylmethyl) (2S,4R)-4-(dimethylamino)-1,2-pyrrolidinedicarboxylate → (2S,4R)-Methyl 4-(dimethylamino)pyrrolidine-2-carboxylate
反応式
[CH3:1][O:2][C:3]([C@@H:5]1[CH2:9][C@@H:8]([N:10]([CH3:12])[CH3:11])[CH2:7][N:6]1C(OCC1C=CC=CC=1)=O)=[O:4]>[Pd].CO>[CH3:1][O:2][C:3]([C@@H:5]1[CH2:9][C@@H:8]([N:10]([CH3:11])[CH3:12])[CH2:7][NH:6]1)=[O:4]参加物
4
実験手順
A mixture of (2S,4R)-4-dimethylamino-pyrrolidine-1,2-dicarboxylic acid 1-benzyl ester 2-methyl ester (420 mg), 10% palladium on carbon (80 mg) and methanol (10 ml) is stirred for 16 hours under an atmosphere of hydrogen. Filtration and evaporation gives the title compound which is used without purification in the following steps.
後処理
- filtrationFiltration and evaporation
出典と根拠
- ORDレコード
- ord-f3128e1f07ed432b8088606bcf70c61a
- 出典データセット
- uspto-grants-2015_01
- 特許番号
- US08940771B2
反応ノート
読み込み中…