Potassium Carbonate → 1-Pyrrolidinecarboxylic acid, 3-[[5,6,7,8-tetrahydro-6-(phenylmethyl)pyrido[4,3-d]pyrimidin-4-yl]amino]-, 1,1-dimethylethyl ester, (3S)-

HRID 242316

反応式

HRID 242316 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][C@H:10]([NH2:13])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH2:14]([N:21]1[CH2:31][CH2:30][C:24]2[N:25]=[CH:26][N:27]=[C:28](Cl)[C:23]=2[CH2:22]1)[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1.C([O-])([O-])=O.[K+].[K+]>CN1C(=O)CCC1>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][C@H:10]([NH:13][C:28]2[C:23]3[CH2:22][N:21]([CH2:14][C:15]4[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=4)[CH2:31][CH2:30][C:24]=3[N:25]=[CH:26][N:27]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]

参加物

5

反応条件

温度
120 °C

実験手順

(S)-tert-Butyl-3-aminopyrrolidine-1-carboxylate (50 g, 192.5 mmol) was added to 6-benzyl-4-chloro-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidine (39.440 g, 211.8 mmol) in NMP (200 mL) solution followed by the addition of K2CO3 (39.9 g, 288.8 mmol). The mixture was heated to 120° C. for 20 h. The mixture was allowed to cool, partitioned between water (300 mL) and ethylacetate (500 mL). the bottom aqueous phase was discarded and the upper organic phase was washed with brine (150 mL) and concentrated in vacuo to provide crude (S)-3-(6-benzyl-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-ylamino)-pyrrolidine-1-carboxylic acid tert-butyl ester as a pale yellow foam (76.44 g, 97% yield).

後処理

  1. temperatureto cool
  2. custompartitioned between water (300 mL) and ethylacetate (500 mL)
  3. washthe upper organic phase was washed with brine (150 mL)
  4. concentrationconcentrated in vacuo

出典と根拠

ORDレコード
ord-c02289d97acb40bd9157b437a574d352
出典データセット
uspto-grants-2014_02
特許番号
US08653092B2

関連ノート

読み込み中…