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

HRID 274003
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HRID 274003 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-c941e30a1569427189c925feb018213e
출처 데이터셋
uspto-grants-1995_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05387685

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