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Hydrochloric Acid → (E)-methyl 2-(2-((4-(1-hydroxypropyl)-2,5-dimethylphenoxy)methyl)phenyl)-3-methoxyacrylate

HRID 1619173
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HRID 1619173 반응식
[CH:1]([C:3]1[C:24]([CH3:25])=[CH:23][C:6]([O:7][CH2:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=2/[C:15](=[CH:20]\[O:21][CH3:22])/[C:16]([O:18][CH3:19])=[O:17])=[C:5]([CH3:26])[CH:4]=1)=[O:2].[CH2:27]([Mg]Br)[CH3:28].Cl>O1CCCC1>[OH:2][CH:1]([C:3]1[C:24]([CH3:25])=[CH:23][C:6]([O:7][CH2:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=2/[C:15](=[CH:20]\[O:21][CH3:22])/[C:16]([O:18][CH3:19])=[O:17])=[C:5]([CH3:26])[CH:4]=1)[CH2:27][CH3:28]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 86666585(E)-methyl 2-(2-((4-formyl-2,5-dimethylphenoxy)methyl)phenyl)-3-methoxyacrylateHCID 178418443HCID 178418443, 화합물

생성물 1

HCID 67954688(E)-methyl 2-(2-((4-(1-hydroxypropyl)-2,5-dimethylphenoxy)methyl)phenyl)-3-methoxyacrylate수율 79%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

A solution of 0.2 g (0.56 mmol) of (E)-methyl 2-(2-((4-formyl-2,5-dimethylphenoxy)methyl)phenyl)-3-methoxyacrylate obtained in Step 1 in 15 mL of tetrahydrofuran (THF) was cooled to −78° C. and reacted with ethyl magnesium bromide (0.22 mL, 1.2 eq) at −78° C. for 2 hours. After completion of the reaction, the reaction mixture was adjusted to pH 7 with 1N-HCl at 0° C. and concentrated in a vacuum. The residue was stirred in water (10 mL) and extracted twice with 10 mL of dichloromethane. The organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated in a vacuum. The concentrate was purified using silica gel chromatography to afford (E)-methyl 2-(2-((4-(1-hydroxypropyl)-2,5-dimethylphenoxy)methyl)phenyl)-3-methoxyacrylate as a white oil (0.17 g, yield 79%).

후처리

  1. customAfter completion of the reaction
  2. concentrationconcentrated in a vacuum
  3. extractionextracted twice with 10 mL of dichloromethane
  4. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated in a vacuum
  7. customThe concentrate was purified

출처 및 근거

ORD 기록
ord-80bb33eb7ba04ce2b7fdf681821bc7c3
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08772290B2

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