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Potassium Carbonate → Methyl 7-[4-(2-propoxyethoxy)phenyl]-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxylate

HRID 1978703
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HRID 1978703 반응식
Br[C:2]1[CH:3]=[CH:4][C:5]2[S:11](=[O:13])(=[O:12])[CH2:10][CH2:9][C:8]([C:14]([O:16][CH3:17])=[O:15])=[CH:7][C:6]=2[CH:18]=1.C1(C)C=CC=CC=1.C(O)C.O.B([O-])([O-])O[C:32]1[CH:37]=[CH:36][C:35]([O:38][CH2:39][CH2:40][O:41][CH2:42][CH2:43][CH3:44])=[CH:34][CH:33]=1.C(=O)([O-])[O-].[K+].[K+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O>[CH2:42]([O:41][CH2:40][CH2:39][O:38][C:35]1[CH:34]=[CH:33][C:32]([C:2]2[CH:3]=[CH:4][C:5]3[S:11](=[O:13])(=[O:12])[CH2:10][CH2:9][C:8]([C:14]([O:16][CH3:17])=[O:15])=[CH:7][C:6]=3[CH:18]=2)=[CH:37][CH:36]=1)[CH2:43][CH3:44]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 11430Potassium CarbonateHCID 21995732Methyl 7-bromo-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxylateHCID 86587398Ethanol toluene waterHCID 867568144-(2-Propoxyethoxy)phenyl borate

생성물 1

HCID 21995813Methyl 7-[4-(2-propoxyethoxy)phenyl]-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxylate수율 76.9%

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물촉매HCID 962Water용매

실험 절차

To methyl 7-bromo-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxylate (6.5 g) was added toluene/ethanol/water (10/1/1,188 ml) and then were added 4-(2-propoxyethoxy)phenyl borate (5.3 g) and potassium carbonate (6.0 g), and the mixture was stirred at room temperature for 30 minutes. To the mixture was added tetrakistriphenylphosphinepalladium (0.9 g), and the mixture was refluxed for 14 hours and cooled to room temperature. The mixture was added to water, and the mixture was extracted with ethyl acetate, washed with saturated brine and dried with magnesium sulfate. Under reduced pressure, the solvent was evaporated, and the residue was purified with silica gel column chromatography (hexane/ethyl acetate=3/2) to give methyl 7-[4-(2-propoxyethoxy)phenyl]-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxylate (6.5 g).

후처리

  1. temperaturethe mixture was refluxed for 14 hours
  2. temperaturecooled to room temperature
  3. extractionthe mixture was extracted with ethyl acetate
  4. washwashed with saturated brine
  5. dry with materialdried with magnesium sulfate
  6. customUnder reduced pressure, the solvent was evaporated
  7. customthe residue was purified with silica gel column chromatography (hexane/ethyl acetate=3/2)

출처 및 근거

ORD 기록
ord-96a54f3c69074f169efd5a6f464217d5
출처 데이터셋
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06235771B1

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