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Triphenylphosphine → [4-(5-Ethanesulfonyl-3-ethyl-pyridin-2-yloxy)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid methyl ester

HRID 238650
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HRID 238650 반응식
[CH3:1][O:2][C:3](=[O:30])[CH2:4][C:5]1[C:14]([CH3:15])=[C:13]([O:16][C:17]2[C:22](Br)=[CH:21][C:20]([S:24]([CH2:27][CH3:28])(=[O:26])=[O:25])=[CH:19][N:18]=2)[C:12]2[C:7](=[CH:8][CH:9]=[C:10]([F:29])[CH:11]=2)[CH:6]=1.[CH2:31](B(O)O)[CH3:32].P([O-])([O-])([O-])=O.[K+].[K+].[K+].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.C1(C)C=CC=CC=1>[CH3:1][O:2][C:3](=[O:30])[CH2:4][C:5]1[C:14]([CH3:15])=[C:13]([O:16][C:17]2[C:22]([CH2:31][CH3:32])=[CH:21][C:20]([S:24]([CH2:27][CH3:28])(=[O:26])=[O:25])=[CH:19][N:18]=2)[C:12]2[C:7](=[CH:8][CH:9]=[C:10]([F:29])[CH:11]=2)[CH:6]=1
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참가 물질

7

반응물 4

HCID 11776TriphenylphosphineHCID 62657Potassium Phosphate, TribasicHCID 521157Ethylboronic acidHCID 59326492[4-(3-Bromo-5-ethanesulfonyl-pyridin-2-yloxy)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid methyl ester

생성물 1

HCID 59326586[4-(5-Ethanesulfonyl-3-ethyl-pyridin-2-yloxy)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid methyl ester수율 47.6%

시약·촉매·용매 2

HCID 178418476HCID 178418476, 화합물촉매HCID 1140Toluene용매

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온도
100 °C

실험 절차

A mixture of [4-(3-bromo-5-ethanesulfonyl-pyridin-2-yloxy)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid methyl ester (42 mg, 0.085 mmol), ethylboronic acid (15 mg, 0.20 mmol), bis(triphenylphosphine)dichloropalladium(II) (7.0 mg, 0.01 mmol), potassium phosphate (64 mg, 0.30 mmol), triphenylphosphine (15.2 mg, 0.05 mmol) and toluene (1 mL) was stirred at 100° C. overnight under an argon atmosphere. The resulting mixture was filtered. The filtrate was concentrated in vacuo. The residue was purified by preparative TLC (20% ethyl acetate in petroleum ether) to afford [4-(5-ethanesulfonyl-3-ethyl-pyridin-2-yloxy)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid methyl ester (18 mg, 47.6%) as a white solid.

후처리

  1. filtrationThe resulting mixture was filtered
  2. concentrationThe filtrate was concentrated in vacuo
  3. customThe residue was purified by preparative TLC (20% ethyl acetate in petroleum ether)

출처 및 근거

ORD 기록
ord-cbf8dc933ca44dbaa04705673f6fb29c
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08642629B2

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