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Potassium Carbonate → HCID 68634524, 화합물

HRID 2405733
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HRID 2405733 반응식
S(O[CH2:12][CH2:13][O:14][CH2:15][CH2:16][O:17][CH2:18][CH2:19][O:20][CH2:21][CH2:22][C:23]([O:25][CH3:26])=[O:24])(C1C=CC(C)=CC=1)(=O)=O.[NH2:27][C:28]1[CH:29]=[C:30]([CH2:36][OH:37])[CH:31]=[C:32]([CH2:34][OH:35])[CH:33]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C>[OH:35][CH2:34][C:32]1[CH:33]=[C:28]([NH:27][CH2:12][CH2:13][O:14][CH2:15][CH2:16][O:17][CH2:18][CH2:19][O:20][CH2:21][CH2:22][C:23]([O:25][CH3:26])=[O:24])[CH:29]=[C:30]([CH2:36][OH:37])[CH:31]=1
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참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 13401257HCID 13401257, 화합물HCID 59440124HCID 59440124, 화합물

생성물 1

HCID 68634524HCID 68634524, 화합물수율 25.7%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
80 °C

실험 절차

To a mixture of methyl 3-(2-(2-(2-(tosyloxy)ethoxy)ethoxy)ethoxy)propanoate (263a) (250 mg, 0.640 mmol) and (5-amino-1,3-phenylene)dimethanol (26)(108 mg, 0.704 mmol) in anhydrous DMF (1.4 ml) was added potassium carbonate (133 mg, 0.960 mmol). The reaction stirred for 18 hours at 80° C. and then was allowed to cool to room temperature. The mixture was quenched with water and extracted two times with ethyl acetate. The organic extracts were washed with brine, dried over anhydrous magnesium sulfate, filtered and concentrated. Purification by silica gel chromatography (5% Methanol/methylene chloride) yielded methyl 3-(2-(2-(2-(3,5-bis(hydroxymethyl)phenylamino)ethoxy) ethoxy) ethoxy)propanoate (264a) (61 mg, 25%); 1H NMR (400 Hz, CDCl3): δ 6.58 (s, 1H), 6.47 (s, 2H), 4.49 (s, 4H), 3.67 (t, J=6.4 Hz, 2H), 3.62 (s, 3H), 3.64-3.54 (m, 10H), 3.21 (t, J=5.2 Hz, 2H), 2.51 (t, J=6.4 Hz, 2H); MS (m/z): found 394.3 (M+Na)+.

후처리

  1. temperatureto cool to room temperature
  2. customThe mixture was quenched with water
  3. extractionextracted two times with ethyl acetate
  4. washThe organic extracts were washed with brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customPurification by silica gel chromatography (5% Methanol/methylene chloride)

출처 및 근거

ORD 기록
ord-fb20512a599b46c59e64a1bb6e30bda3
출처 데이터셋
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08809320B2

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