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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
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HRID 242316 반응식
[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]
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참가 물질

5

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HCID 11430Potassium CarbonateHCID 854071tert-butyl (3S)-3-aminopyrrolidine-1-carboxylateHCID 253240466-Benzyl-4-chloro-5,6,7,8-tetrahydropyrido(4,3-d)pyrimidine

생성물 1

HCID 574953231-Pyrrolidinecarboxylic acid, 3-[[5,6,7,8-tetrahydro-6-(phenylmethyl)pyrido[4,3-d]pyrimidin-4-yl]amino]-, 1,1-dimethylethyl ester, (3S)-수율 97%

시약·촉매·용매 1

HCID 13387
N-methyl-2-pyrrolidone
용매

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온도
120 °C

실험 절차

(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).

후처리

  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

출처 및 근거

ORD 기록
ord-c02289d97acb40bd9157b437a574d352
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08653092B2

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