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Water → 6,7-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1,2,3,4-tetrahydroisoquinoline

HRID 863893
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HRID 863893 반응식
Br.[CH2:2]1[C:11]2[C:6](=[CH:7][C:8]([OH:13])=[C:9]([OH:12])[CH:10]=2)[CH2:5][CH2:4][NH:3]1.[Si:14](Cl)([C:17]([CH3:20])([CH3:19])[CH3:18])([CH3:16])[CH3:15].O>N1C=CC=CC=1>[CH3:18][C:17]([Si:14]([CH3:16])([CH3:15])[O:13][C:8]1[CH:7]=[C:6]2[C:11](=[CH:10][C:9]=1[O:12][Si:14]([C:17]([CH3:20])([CH3:19])[CH3:18])([CH3:16])[CH3:15])[CH2:2][NH:3][CH2:4][CH2:5]2)([CH3:20])[CH3:19]
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참가 물질

5

반응물 3

HCID 962WaterHCID 28928tert-Butyldimethylsilyl chlorideHCID 27244601,2,3,4-Tetrahydro-6,7-isoquinolinediol hydrobromide

생성물 1

HCID 190421026,7-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1,2,3,4-tetrahydroisoquinoline수율 100%

시약·촉매·용매 1

HCID 1049Pyridine용매

실험 절차

A mixture of 1.0 g of 1,2,3,4-tetrahydro-6,7-isoquinolinediol hydrobromide and 2.45 g of t-butyl dimethylsilyl chloride in 25.0 mL of pyridine is heated under reflux for 4.5 hours, cooled, poured into water and extracted with diethyl ether. The diethyl ether extract is washed with brine, dried, filtered. The filtrate is evaporated to yield a brown oil. This oil is purified by Kugelrohr distillation to yield 1.6 g of the desired product as a yellow solid, b.p. 155° C., 350 torr.

후처리

  1. temperatureis heated
  2. temperatureunder reflux for 4.5 hours
  3. temperaturecooled
  4. extractionextracted with diethyl ether
  5. extractionThe diethyl ether extract
  6. washis washed with brine
  7. customdried
  8. filtrationfiltered
  9. customThe filtrate is evaporated
  10. customto yield a brown oil
  11. distillationThis oil is purified by Kugelrohr distillation

출처 및 근거

ORD 기록
ord-fe041f5da31f4a35b5e8f49c4a01d795
출처 데이터셋
uspto-grants-1996_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05561141

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