1-Bromo-3-chloropropane → 2-(3-Chloropropylthiomethyl)-thiophene

HRID 650386

반응식

HRID 650386 반응식
C[O-].[Na+].[S:4]1[CH:8]=[CH:7][CH:6]=[C:5]1[CH2:9][SH:10].Br[CH2:12][CH2:13][CH2:14][Cl:15]>CO.C(#N)C.C(OCC)(=O)C>[Cl:15][CH2:14][CH2:13][CH2:12][S:10][CH2:9][C:5]1[S:4][CH:8]=[CH:7][CH:6]=1

참가 물질

7

반응물 3

HCID 80061-Bromo-3-chloropropaneHCID 80408Thenyl mercaptanHCID 10942334Sodium Methoxide

생성물 1

HCID 217148482-(3-Chloropropylthiomethyl)-thiophene

시약·촉매·용매 3

HCID 887Methanol용매HCID 6342Acetonitrile용매HCID 8857Ethyl Acetate용매

실험 절차

1.5 ml of a 30% sodium methylate solution in methanol is added in drops to 1.0 g of thiophen-2-yl-methanethiol in 8 ml of anhydrous acetonitrile at 0° C. After 5 minutes, the drop-by-drop addition of 1.1 ml of 1-bromo-3-chloropropane is carried out. Then, the reaction solution is allowed to stir for 5 hours at room temperature. For working-up, the batch is diluted with ethyl acetate, washed with water and common salt solution, dried on magnesium sulfate and concentrated by evaporation in a vacuum. Chromatography of the crude product on silica gel with a hexane-ethyl acetate gradient yields 1.3 g of 2-(3-chloropropylthiomethyl)-thiophene as an oil.

후처리

  1. washwashed with water and common salt solution
  2. customdried on magnesium sulfate
  3. concentrationconcentrated by evaporation in a vacuum

출처 및 근거

ORD 기록
ord-24b919fe549f49c5a71d2828c685b05b
출처 데이터셋
uspto-grants-2001_08
특허 번호
US06271403B1

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