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Methyl iodide → 4-[3-(1,4,4-Trimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid methyl ester

HRID 2415202
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HRID 2415202 반응식
[CH3:1][O:2][C:3](=[O:30])[C:4]1[CH:9]=[CH:8][C:7]([CH:10]=[CH:11][CH:12]([C:18]2[CH:27]=[C:26]3[C:21]([C:22]([CH3:29])([CH3:28])[CH2:23][CH2:24][NH:25]3)=[CH:20][CH:19]=2)[CH2:13][CH2:14][CH2:15][CH2:16][CH3:17])=[CH:6][CH:5]=1.[CH3:31][Si]([N-][Si](C)(C)C)(C)C.[Li+].CI>C1COCC1>[CH3:1][O:2][C:3](=[O:30])[C:4]1[CH:5]=[CH:6][C:7]([CH:10]=[CH:11][CH:12]([C:18]2[CH:27]=[C:26]3[C:21]([C:22]([CH3:29])([CH3:28])[CH2:23][CH2:24][N:25]3[CH3:31])=[CH:20][CH:19]=2)[CH2:13][CH2:14][CH2:15][CH2:16][CH3:17])=[CH:8][CH:9]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 6328Methyl iodideHCID 2733832Lithium hexamethyldisilazaneHCID 692164454-[3-(4,4-Dimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid methyl ester

생성물 1

HCID 692157304-[3-(1,4,4-Trimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid methyl ester

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

A solution of 4-[3-(4,4-dimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid methyl ester (0.36 g, 0.88 mmole) in 10 mL of THF was cooled to −78° C. and was treated with 1.1 mL of a 1M lithium bis(trimethylsilyl)amide solution in hexanes. After 30 minutes at −78° C., 0.06 mL of methyl iodide was added. The mixture was stirred at room temperature for 7 hours, quenched by the addition of 10 mL of saturated aqueous ammonium chloride solution and extracted with two 10 mL portions of ethyl acetate. The combined organic extracts were dried over MgSO4, filtered and concentrated in vacuo to give a yellow oil. The product was purified by flash chromatography (SiO2, 5% ethyl acetate in hexanes) to yield 0.23 g of 4-[3-(1,4,4-trimethyl-1,2,3,4-tetrahydro-quinolin-7-yl)-oct-1-enyl]-benzoic acid methyl ester as a pale yellow oil.

후처리

  1. customquenched by the addition of 10 mL of saturated aqueous ammonium chloride solution
  2. extractionextracted with two 10 mL portions of ethyl acetate
  3. dry with materialThe combined organic extracts were dried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customto give a yellow oil
  7. customThe product was purified by flash chromatography (SiO2, 5% ethyl acetate in hexanes)

출처 및 근거

ORD 기록
ord-e87a7a9b19af4c23a317a09853185030
출처 데이터셋
uspto-grants-2004_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06818652B2

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