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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 899290
ノート
印刷プレビュー

反応式

HRID 899290 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 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

生成物 1

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

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

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.

後処理

  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)

出典と根拠

ORDレコード
ord-ab3fd3b3cdbf45e3a4cc9773d0e6016d
出典データセット
uspto-grants-2008_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07354931B2

反応ノート

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