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Ammonium Chloride → N4-(5-Chloro-4-pyrazolo[1,5-a]pyridin-3-ylpyrimidin-2-yl)-N1-(2-dimethylaminoethyl)-5-methoxy-N1-methylbenzene-1,2,4-triamine

HRID 1842696
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HRID 1842696 반응식
[NH4+].[Cl-].[Cl:3][C:4]1[C:5]([C:29]2[CH:30]=[N:31][N:32]3[CH:37]=[CH:36][CH:35]=[CH:34][C:33]=23)=[N:6][C:7]([NH:10][C:11]2[CH:16]=[C:15]([N+:17]([O-])=O)[C:14]([N:20]([CH2:22][CH2:23][N:24]([CH3:26])[CH3:25])[CH3:21])=[CH:13][C:12]=2[O:27][CH3:28])=[N:8][CH:9]=1>O.C(O)C.[Fe]>[Cl:3][C:4]1[C:5]([C:29]2[CH:30]=[N:31][N:32]3[CH:37]=[CH:36][CH:35]=[CH:34][C:33]=23)=[N:6][C:7]([NH:10][C:11]2[CH:16]=[C:15]([NH2:17])[C:14]([N:20]([CH2:22][CH2:23][N:24]([CH3:25])[CH3:26])[CH3:21])=[CH:13][C:12]=2[O:27][CH3:28])=[N:8][CH:9]=1
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참가 물질

6

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HCID 25517Ammonium ChlorideHCID 71270273N-(5-chloro-4-pyrazolo[1,5-a]pyridin-3-ylpyrimidin-2-yl)-N'-(2-dimethylaminoethyl)-2-methoxy-N'-methyl-5-nitrobenzene-1,4-diamine2회

생성물 1

HCID 86677330N4-(5-Chloro-4-pyrazolo[1,5-a]pyridin-3-ylpyrimidin-2-yl)-N1-(2-dimethylaminoethyl)-5-methoxy-N1-methylbenzene-1,2,4-triamine수율 94%

시약·촉매·용매 3

HCID 23925Iron촉매
HCID 702
Ethanol
용매
HCID 962Water용매

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온도
105 °C

실험 절차

A solution of NH4Cl (45 mg, 0.85 mmol) in water (10 mL) was added in one portion to a stirred mixture of N-(5-chloro-4-pyrazolo[1,5-a]pyridin-3-ylpyrimidin-2-yl)-N′-(2-dimethylaminoethyl)-2-methoxy-N′-methyl-5-nitrobenzene-1,4-diamine (Intermediate 34, 600 mg, 1.21 mmol) and iron (405 mg, 7.24 mmol) in ethanol (30 mL). The resulting mixture was stirred at 105° C. for 3 h. The mixture was then concentrated in vacuo and the resulting residue was mixed with DMF (10 mL) and purified by ion exchange chromatography, using an SCX column. The desired product was eluted from the column using 0.35M methanolic ammonia in CH2Cl2 and pure fractions were concentrated in vacuo to give the title compound (530 mg, 94%) as a brown gum; 1H NMR: 2.16 (6H, d), 2.38 (2H, t), 2.66 (3H, d), 2.92 (2H, t), 3.66 (3H, s), 4.60 (2H, s), 6.78 (1H, s), 6.92 (1H, s), 7.12 (1H, t), 7.27-7.4 (1H, m), 8.38 (1H, s), 8.43 (1H, d), 8.49 (1H, s), 8.83 (1H, d), 8.95 (1H, s); m/z: ES+ MH+ 467.

후처리

  1. concentrationThe mixture was then concentrated in vacuo
  2. additionthe resulting residue was mixed with DMF (10 mL)
  3. custompurified by ion exchange chromatography
  4. washThe desired product was eluted from the column
  5. concentrationwere concentrated in vacuo

출처 및 근거

ORD 기록
ord-29057b6da99344c9a37b7ae3ce834155
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08946235B2

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