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p-Toluenesulfonic acid monohydrate → 1-Cyclohexyl-5-[2-methoxy-4-(1-methyl-1,2,3,6-tetrahydro-4-pyridinyl)phenyl]-3-methyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

HRID 915949
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HRID 915949 반응식
[CH:1]1([N:7]2[C:15]3[C:14](=[O:16])[NH:13][C:12]([C:17]4[CH:22]=[CH:21][C:20]([C:23]5(O)[CH2:28][CH2:27][N:26]([CH3:29])[CH2:25][CH2:24]5)=[CH:19][C:18]=4[O:31][CH3:32])=[N:11][C:10]=3[C:9]([CH3:33])=[N:8]2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.O.C1(C)C=CC(S(O)(=O)=O)=CC=1>C1(C)C=CC=CC=1>[CH:1]1([N:7]2[C:15]3[C:14](=[O:16])[NH:13][C:12]([C:17]4[CH:22]=[CH:21][C:20]([C:23]5[CH2:28][CH2:27][N:26]([CH3:29])[CH2:25][CH:24]=5)=[CH:19][C:18]=4[O:31][CH3:32])=[N:11][C:10]=3[C:9]([CH3:33])=[N:8]2)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 521998p-Toluenesulfonic acid monohydrateHCID 1360059331-Cyclohexyl-5-[4-(4-hydroxy-1-methyl-4-piperidinyl)-2-methoxyphenyl]-3-methyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

생성물 1

HCID 1360058441-Cyclohexyl-5-[2-methoxy-4-(1-methyl-1,2,3,6-tetrahydro-4-pyridinyl)phenyl]-3-methyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one수율 51.4%

시약·촉매·용매 1

HCID 1140Toluene용매

실험 절차

To a 10 ml toluene solution of 160 mg (0.35 mmol) of the compound obtained in Example 122, 135 mg (0.71 mmol) of p-toluenesulfonic acid monohydrate was added, and the mixture was heated under reflux for 22 hours with the use of a Dean-Stark dehydrator. The reaction mixture was returned to room temperature, and washed with a saturated aqueous solution of sodium hydrogen carbonate. The system was dried over anhydrous sodium sulfate, and then the solvent was distilled off under reduced pressure. The residue was purified by silica gel column chromatography (chloroform/methanol=30/1) to obtain 78 mg (51%) of the captioned compound.

후처리

  1. temperaturethe mixture was heated
  2. temperatureunder reflux for 22 hours with the use of a Dean-Stark dehydrator
  3. customwas returned to room temperature
  4. washwashed with a saturated aqueous solution of sodium hydrogen carbonate
  5. dry with materialThe system was dried over anhydrous sodium sulfate
  6. distillationthe solvent was distilled off under reduced pressure
  7. customThe residue was purified by silica gel column chromatography (chloroform/methanol=30/1)

출처 및 근거

ORD 기록
ord-bbd558c4743d48ef97d781097fdb13dd
출처 데이터셋
uspto-grants-2007_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07268128B2

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