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Phosphorus sulfide (P2S5) → 2-(4-Pentyloxyphenyl)-5-(4-bromophenyl)thiazole

HRID 2270047
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HRID 2270047 반응식
[CH2:1]([O:6][C:7]1[CH:25]=[CH:24][C:10]([C:11]([NH:13][CH2:14][C:15]([C:17]2[CH:22]=[CH:21][C:20]([Br:23])=[CH:19][CH:18]=2)=O)=O)=[CH:9][CH:8]=1)[CH2:2][CH2:3][CH2:4][CH3:5].P12(SP3(SP(SP(S3)(S1)=S)(=S)S2)=S)=[S:27].C(=O)([O-])O.[Na+]>O1CCCC1>[CH2:1]([O:6][C:7]1[CH:25]=[CH:24][C:10]([C:11]2[S:27][C:15]([C:17]3[CH:22]=[CH:21][C:20]([Br:23])=[CH:19][CH:18]=3)=[CH:14][N:13]=2)=[CH:9][CH:8]=1)[CH2:2][CH2:3][CH2:4][CH3:5]
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참가 물질

5

반응물 3

HCID 14817Phosphorus sulfide (P2S5)HCID 516892Sodium BicarbonateHCID 183310892-(4-Pentyloxybenzamido)-4'-bromoacetophenone

생성물 1

HCID 183310882-(4-Pentyloxyphenyl)-5-(4-bromophenyl)thiazole수율 105.5%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of 2-(4-pentyloxybenzamido)-4′-bromoacetophenone (3.39 g) in tetrahydrofuran (34 ml) was added phosphorus pentasulfide (2.43 g), and refluxed for 30 minutes. The reaction mixture was cooled, and poured into saturated sodium hydrogen carbonate aqueous solution (400 ml), and stirred for 1.5 hours. The resulting precipitate was collected by filtration to give 2-(4-pentyloxyphenyl)-5-(4-bromophenyl)thiazole (2.32 g).

후처리

  1. temperaturerefluxed for 30 minutes
  2. temperatureThe reaction mixture was cooled
  3. filtrationThe resulting precipitate was collected by filtration

출처 및 근거

ORD 기록
ord-35db2723a2324f32b65e2a4e43386291
출처 데이터셋
uspto-grants-2001_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06331521B1

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