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Potassium Carbonate → 3-Cyclopropyl-3-(4-(7-(5,6,7,8-tetrahydroimidazo[1,2-a]pyrazin-3-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)propanenitrile

HRID 1853007
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HRID 1853007 반응식
Cl[C:2]1[N:7]=[C:6]([C:8]2[CH:9]=[N:10][N:11]([CH:13]([CH:17]3[CH2:19][CH2:18]3)[CH2:14][C:15]#[N:16])[CH:12]=2)[N:5]2[CH:20]=[CH:21][N:22]=[C:4]2[CH:3]=1.C([O-])([O-])=O.[K+].[K+].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[N:48]1[CH:49]=[CH:50][N:51]2[CH2:56][CH2:55][N:54](C(OC(C)(C)C)=O)[CH2:53][C:52]=12>O1CCOCC1.C(O[Pd]OC(=O)C)(=O)C>[CH:17]1([CH:13]([N:11]2[CH:12]=[C:8]([C:6]3[N:5]4[CH:20]=[CH:21][N:22]=[C:4]4[CH:3]=[C:2]([C:50]4[N:51]5[CH2:56][CH2:55][NH:54][CH2:53][C:52]5=[N:48][CH:49]=4)[N:7]=3)[CH:9]=[N:10]2)[CH2:14][C:15]#[N:16])[CH2:19][CH2:18]1
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참가 물질

7

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HCID 11430Potassium CarbonateHCID 11776TriphenylphosphineHCID 21955306tert-Butyl 5,6-dihydroimidazo(1,2-a)pyrazine-7(8H)-carboxylateHCID 866853033-(4-(7-chloroimidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)-3-cyclopropylpropanenitrile

생성물 1

HCID 674584083-Cyclopropyl-3-(4-(7-(5,6,7,8-tetrahydroimidazo[1,2-a]pyrazin-3-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)propanenitrile
수율 26%

시약·촉매·용매 2

HCID 167845palladium(II) acetate촉매HCID 312751,4-Dioxane용매

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온도
95 °C

실험 절차

To 3-(4-(7-chloroimidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)-3-cyclopropyl-propanenitrile (Preparation M; 100 mg, 0.320 mmol) in dioxane (10 mL) was added K2CO3 (88.4 mg, 0.639 mmol), diacetoxypalladium (7.18 mg, 0.0320 mmol), triphenylphosphine (16.8 mg, 0.0639 mmol) and tert-butyl 5,6-dihydroimidazo[1,2-a]pyrazine-7(8H)-carboxylate (107 mg, 0.480 mmol). The reaction was sealed and heated to 95° C. for 5 hours. The reaction was cooled to ambient temperature and concentrated under reduced pressure. The residue was purified by silica gel chromatography (DCM/MeOH/NH4OH 10:1:0.1) to give the final product (33 mg, 26% yield). MS (apci) m/z=400.4 (M+H).

후처리

  1. customThe reaction was sealed
  2. temperatureThe reaction was cooled to ambient temperature
  3. concentrationconcentrated under reduced pressure
  4. customThe residue was purified by silica gel chromatography (DCM/MeOH/NH4OH 10:1:0.1)

출처 및 근거

ORD 기록
ord-07eb2592051242138a0fb1aaba6e20eb
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08962596B2

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