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Water → 2,6-Di-tert-butyl-4-mercaptophenol

HRID 359729
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HRID 359729 반응식
[CH3:1][C:2]([C:5]1[CH:6]=[C:7]([S:16]C#N)[CH:8]=[C:9]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:10]=1[OH:11])([CH3:4])[CH3:3].O.C(P(CC)CC)C>CC(C)=O>[CH3:4][C:2]([C:5]1[CH:6]=[C:7]([SH:16])[CH:8]=[C:9]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:10]=1[OH:11])([CH3:1])[CH3:3]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 962WaterHCID 27365TriethylphosphineHCID 6192452,6-DI-Tert-butyl-4-thiocyanato-phenol

생성물 1

HCID 703702,6-Di-tert-butyl-4-mercaptophenol

시약·촉매·용매 1

HCID 180Acetone용매

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온도
0 °C

실험 절차

3,5-Bis(1,1-dimethylethyl)-4-hydroxyphenylthiocyanate (55 g, 0.209 mole) was dissolved in acetone (200 ml) under an argon atmosphere. Water (7.6 g, 0.42 mole) was added and the reaction cooled to 0° C. Triethylphosphine (24.7 g, 0.209 mole) was added dropwise over a period of 1 hour and the reaction was then allowed to warm to room temperature with stirring. The solution was concentrated, solvents removed, and the resulting oil purified by chromatography on silica The fractions containing the thiol were combined and the solvents removed to yield a white powder Recrystallization from methanol/water yielded, upon drying, 43.3 g of the title compound. The NMR spectrum confirmed the identity of the product.

후처리

  1. temperatureto warm to room temperature
  2. concentrationThe solution was concentrated
  3. customsolvents removed
  4. customthe resulting oil purified by chromatography on silica The fractions
  5. additioncontaining the thiol
  6. customthe solvents removed
  7. customto yield
  8. customa white powder Recrystallization from methanol/water
  9. customyielded
  10. customupon drying

출처 및 근거

ORD 기록
ord-ce4486e1877a46baa8697ee23aa3e536
출처 데이터셋
uspto-grants-1991_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05002967

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