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p-Toluenesulfonic acid monohydrate → HCID 71240803, 화합물

HRID 1842670
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HRID 1842670 반응식
Cl[C:2]1[N:7]=[C:6]([C:8]2[CH:9]=[N:10][N:11]3[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=23)[C:5]([CH3:17])=[CH:4][N:3]=1.O.C1(C)C=CC(S(O)(=O)=O)=CC=1.[CH3:30][O:31][C:32]1[CH:38]=[C:37]([C:39]2[CH2:40][CH2:41][N:42]([CH3:45])[CH2:43][CH:44]=2)[C:36]([N+:46]([O-:48])=[O:47])=[CH:35][C:33]=1[NH2:34]>CC(O)CCC>[CH3:30][O:31][C:32]1[CH:38]=[C:37]([C:39]2[CH2:44][CH2:43][N:42]([CH3:45])[CH2:41][CH:40]=2)[C:36]([N+:46]([O-:48])=[O:47])=[CH:35][C:33]=1[NH:34][C:2]1[N:7]=[C:6]([C:8]2[CH:9]=[N:10][N:11]3[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=23)[C:5]([CH3:17])=[CH:4][N:3]=1
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참가 물질

5

반응물 3

HCID 521998p-Toluenesulfonic acid monohydrateHCID 59291169HCID 59291169, 화합물2회HCID 866773252-methoxy-4-(1-methyl-3,6-dihydro-2H-pyridin-4-yl)-5-nitroaniline2회

생성물 1

HCID 71240803HCID 71240803, 화합물수율 63.2%

시약·촉매·용매 1

HCID 223862-Pentanol용매

실험 절차

A solution of 3-(2-chloro-5-methylpyrimidin-4-yl)pyrazolo[1,5-a]pyridine (Intermediate 5, 271 mg, 1.00 mmol), p-toluene sulphonic acid monohydrate (271 mg, 1.43 mmol) and 2-methoxy-4-(1-methyl-3,6-dihydro-2H-pyridin-4-yl)-5-nitroaniline (Intermediate 3, 250 mg, 0.95 mmol) were heated in 2-pentanol (12 mL) at reflux under N2 for 30 h. The mixture was then concentrated in vacuo and the residue was dissolved in CH3OH. Purification by ion exchange chromatography (SCX column), eluting with 7M methanolic ammonia, gave the title compound (283 mg, 63%) as an orange powder after trituration with CH3CN. 1H NMR: 2.28-2.36 (5H, m), 2.44 (3H, s), 2.60 (2H, t), 3.00 (2H, d), 4.00 (3H, d), 5.64 (1H, s), 6.97 (1H, s), 7.13 (1H, m), 7.40 (1H, m), 8.27 (1H, s), 8.39 (1H, s), 8.53 (1H, d), 8.61 (1H, s), 8.83 (1H, d), 8.87 (1H, s); m/z: ES− MH− 470.

후처리

  1. temperatureat reflux under N2 for 30 h
  2. concentrationThe mixture was then concentrated in vacuo
  3. dissolutionthe residue was dissolved in CH3OH
  4. customPurification by ion exchange chromatography (SCX column)
  5. washeluting with 7M methanolic ammonia

출처 및 근거

ORD 기록
ord-83286be2b328412288c55d6738a26a38
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08946235B2

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