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Triethylsilane → 4-Chloro-2-(4-ethylbenzyl)phenol

HRID 1092436
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HRID 1092436 반응식
[SiH](CC)(CC)CC.[Cl:8][C:9]1[CH:10]=[CH:11][C:12]([OH:25])=[C:13]([C:15]([C:17]2[CH:22]=[CH:21][C:20]([CH2:23][CH3:24])=[CH:19][CH:18]=2)=O)[CH:14]=1.C(S(O)(=O)=O)(F)(F)F>C(O)(C(F)(F)F)=O>[Cl:8][C:9]1[CH:10]=[CH:11][C:12]([OH:25])=[C:13]([CH2:15][C:17]2[CH:18]=[CH:19][C:20]([CH2:23][CH3:24])=[CH:21][CH:22]=2)[CH:14]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 12052TriethylsilaneHCID 62406Trifluoromethanesulfonic acidHCID 57741112(5-Chloro-2-hydroxyphenyl)(4-ethylphenyl)methanone

생성물 1

HCID 230727454-Chloro-2-(4-ethylbenzyl)phenol수율 95%

시약·촉매·용매 1

HCID 6422Trifluoroacetic acid용매

실험 절차

To a stirred 0° C. solution of Et3SiH (2.26 ml, 14.2 mmol) and (5-chloro-2-hydroxyphenyl)(4-ethylphenyl)methanone (1.944 g, 7.08 mmol) in 10 mL of TFA was added CF3SO3H (30 μL) at a rate to keep the temperature at about 0° C. After complete addition, the mixture was warmed to room temperature and stirred overnight at room temperature. After the volatiles were evaporated under reduced pressure, the residue was partitioned in ethyl acetate and water. The organic layer was separated and washed with water, aq Na2CO3, brine then dried over Na2SO4 and concentrated. The crude product was purified by column chromatography (PE:EA=10:1) to give the target compound (1.659 g).

후처리

  1. customat about 0° C
  2. additionAfter complete addition
  3. customAfter the volatiles were evaporated under reduced pressure
  4. customthe residue was partitioned in ethyl acetate
  5. customThe organic layer was separated
  6. washwashed with water, aq Na2CO3, brine
  7. dry with materialthen dried over Na2SO4
  8. concentrationconcentrated
  9. customThe crude product was purified by column chromatography (PE:EA=10:1)

출처 및 근거

ORD 기록
ord-1228703b609f4c5f8ca80315db073c62
출처 데이터셋
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08129434B2

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