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Acetonitrile → (3,4,5-Trimethyl-2-thenyl)-triphenyl phosphonium bromide

HRID 127740
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인쇄 미리보기

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HRID 127740 반응식
O[CH2:2][C:3]1[S:4][C:5]([CH3:10])=[C:6]([CH3:9])[C:7]=1[CH3:8].C(#N)C.[Br-:14].[C:15]1([PH+:21]([C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1>C(OCC)(=O)C>[Br-:14].[CH3:8][C:7]1[C:6]([CH3:9])=[C:5]([CH3:10])[S:4][C:3]=1[CH2:2][P+:21]([C:22]1[CH:23]=[CH:24][CH:25]=[CH:26][CH:27]=1)([C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1)[C:15]1[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 6342AcetonitrileHCID 517696Phosphine, triphenyl-, hydrobromideHCID 128752592-Hydroxymethyl-3,4,5-trimethyl-thiophene

생성물 1

HCID 20285709(3,4,5-Trimethyl-2-thenyl)-triphenyl phosphonium bromide

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

반응 조건

온도
50 °C

실험 절차

2.2 G. of 2-hydroxymethyl-3,4,5-trimethyl-thiophene were dissolved in 25 ml. of acetonitrile and 4.6 g. of triphenylphosphonium bromide were added. The resulting reaction mixture was heated to 50° C. for 3 hours. After evaporation of the solvent, the residue which formed was diluted with ethyl acetate, heated briefly and filtered. The crystalline (3,4,5-trimethyl-2-thenyl)-triphenyl phosphonium bromide obtained was dried at 50° C. under high vacuum and had m.p. 208°-215° C.

후처리

  1. customThe resulting reaction mixture
  2. customAfter evaporation of the solvent
  3. customthe residue which formed
  4. temperatureheated briefly
  5. filtrationfiltered

출처 및 근거

ORD 기록
ord-cd04a7b7bc634cb48bc21871ad5272e3
출처 데이터셋
uspto-grants-1981_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04256878

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