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Potassium Carbonate → 3-[(N-benzyloxycarbonyl-N-ethyl-amino)-methyl]-4-(5-carboxymethyl-pyridin-3-yl)-benzoic acid benzyl ester

HRID 554584
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HRID 554584 반응식
[CH2:1]([O:8][C:9](=[O:39])[C:10]1[CH:15]=[CH:14][C:13](B2OC(C)(C)C(C)(C)O2)=[C:12]([CH2:25][N:26]([C:29]([O:31][CH2:32][C:33]2[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=2)=[O:30])[CH2:27][CH3:28])[CH:11]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C([O:42][C:43](=[O:52])[CH2:44][C:45]1[CH:46]=[N:47][CH:48]=[C:49](Br)[CH:50]=1)C.C(=O)([O-])[O-].[K+].[K+]>COCCOC.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH2:1]([O:8][C:9](=[O:39])[C:10]1[CH:15]=[CH:14][C:13]([C:49]2[CH:48]=[N:47][CH:46]=[C:45]([CH2:44][C:43]([OH:42])=[O:52])[CH:50]=2)=[C:12]([CH2:25][N:26]([C:29]([O:31][CH2:32][C:33]2[CH:34]=[CH:35][CH:36]=[CH:37][CH:38]=2)=[O:30])[CH2:27][CH3:28])[CH:11]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
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참가 물질

6

반응물 3

HCID 11430Potassium CarbonateHCID 54116619Ethyl 2-(5-bromopyridin-3-yl)acetateHCID 585651453-[(N-Benzyloxycarbonyl-N-ethyl-amino)-methyl]-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzoic acid benzyl ester

생성물 1

HCID 585650203-[(N-benzyloxycarbonyl-N-ethyl-amino)-methyl]-4-(5-carboxymethyl-pyridin-3-yl)-benzoic acid benzyl ester

시약·촉매·용매 2

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 80711,2-Dimethoxyethane용매

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온도
70 °C

실험 절차

3-[(N-Benzyloxycarbonyl-N-ethyl-amino)-methyl]-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzoic acid benzyl ester (1.96 g, 3.7 mmol), (5-bromo-pyridin-3-yl)-acetic acid ethyl ester (0.99 g, 4.1 mmol), and potassium carbonate (1.79 g, 13.0 mmol) were combined in DME (40 mL) and H2O (30 mL), and the solution was purged with N2 for 10 minutes. Tetrakis(triphenylphosphine)palladium(0) (0.427 g, 0.37 mmol) was added, and the reaction was stirred at 70° C. overnight. The mixture was quenched with 1N aqueous HCl (13 mL) and extracted with EtOAc. The combined organic layers were washed with H2O, and then dried and concentrated to give 3-[(N-benzyloxycarbonyl-N-ethyl-amino)-methyl]-4-(5-carboxymethyl-pyridin-3-yl)-benzoic acid benzyl ester.

후처리

  1. customH2O (30 mL), and the solution was purged with N2 for 10 minutes
  2. customThe mixture was quenched with 1N aqueous HCl (13 mL)
  3. extractionextracted with EtOAc
  4. washThe combined organic layers were washed with H2O
  5. customdried
  6. concentrationconcentrated

출처 및 근거

ORD 기록
ord-087c11ec850d4a70a4ecce6ddb508549
출처 데이터셋
uspto-grants-2011_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08049015B2

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