2-Dimethylaminopyridine → (Trimethylsilyl)ethyl 4-[(5,6,7,8-tetrahydro-8,8-dimethyl-5-oxonaphth-2-yl)ethynyl]benzoate

HRID 277552

反応式

HRID 277552 の反応式
[CH3:1][C:2]1([CH3:24])[C:11]2[CH:10]=[C:9]([C:12]#[C:13][C:14]3[CH:22]=[CH:21][C:17]([C:18]([OH:20])=[O:19])=[CH:16][CH:15]=3)[CH:8]=[CH:7][C:6]=2[C:5](=[O:23])[CH2:4][CH2:3]1.CN(C1C=CC=CN=1)C.[CH3:34][Si:35]([CH:38](O)[CH3:39])([CH3:37])[CH3:36].Cl.CN(C)CCCN=C=NCC>C(Cl)Cl>[CH3:1][C:2]1([CH3:24])[C:11]2[CH:10]=[C:9]([C:12]#[C:13][C:14]3[CH:15]=[CH:16][C:17]([C:18]([O:20][CH2:39][CH2:38][Si:35]([CH3:37])([CH3:36])[CH3:34])=[O:19])=[CH:21][CH:22]=3)[CH:8]=[CH:7][C:6]=2[C:5](=[O:23])[CH2:4][CH2:3]1

参加物

6

反応条件

温度
25 °C

実験手順

To a solution of 0.24 g (0.73 mmol) of 4-[(5,6,7,8-tetrahydro-8,8-dimethyl-5-oxonaphth-2-yl)ethynyl]benzoic acid (Compound 7) in 10 ml of dry CH2Cl2 was added 0.09 g (0.74 mmol) of dimethylaminopyridine, 0.115 ml (0.80 mmol) of trimethylsilylethanol and 0.17 g (0.88 mmol) of 1-(3-dimethylaminopropyl)-3-ethyl carbodiimide hydrochloride. The reaction mixture was stirred at 25° C. for 5 hours, washed with sat. aqueous NaHCO3 and brine, dried over Na2SO4 and concentrated in vacuo to an oil. Purification by flash chromatography (silica, 10% EtOAc-hexane) yielded the title compound as a white solid.

後処理

  1. washwashed with sat. aqueous NaHCO3 and brine
  2. dry with materialdried over Na2SO4
  3. concentrationconcentrated in vacuo to an oil
  4. customPurification by flash chromatography (silica, 10% EtOAc-hexane)

出典と根拠

ORDレコード
ord-ce36b90b07f443b9b9cb81b2801be4c7
出典データセット
uspto-grants-2002_03
特許番号
US06355806B1

関連ノート

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