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Butyl isocyanate → HCID 13489816, 화합물

HRID 1193443
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HRID 1193443 반응식
[O:1]1[C:5]([C:6]2[CH:11]=[CH:10][CH:9]=[CH:8][C:7]=2[S:12]([NH2:15])(=[O:14])=[O:13])=[CH:4][CH:3]=[N:2]1.[CH2:16]([N:20]=[C:21]=[O:22])[CH2:17][CH2:18][CH3:19].C(=O)([O-])[O-].[K+].[K+]>CC(=O)CC>[CH2:16]([NH:20][C:21]([NH:15][S:12]([C:7]1[CH:8]=[CH:9][CH:10]=[CH:11][C:6]=1[C:5]1[O:1][N:2]=[CH:3][CH:4]=1)(=[O:13])=[O:14])=[O:22])[CH2:17][CH2:18][CH3:19]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8110Butyl isocyanateHCID 11430Potassium CarbonateHCID 134898132-(Isoxazol-5-yl)benzenesulfonamide

생성물 1

HCID 13489816HCID 13489816, 화합물수율 79.7%

시약·촉매·용매 1

HCID 6569Methyl Ethyl Ketone용매

실험 절차

A solution of 8.7 g of 2-(isoxazol-5-yl)benzenesulfonamide prepared in Example 5, 4.7 g of n-butyl isocyanate and 5.4 g of potassium carbonate in 125 ml of 2-butanone was refluxed for 7 hours. The resulting suspension was concentrated to dryness in vacuo. The residue was taken up in 200 ml of water and extracted once with 100 ml of ethyl ether. The aqueous layer was acidified with 2N HCl and the resulting suspension was extracted with methylene chloride. After drying the methylene chloride extract over sodium sulfate, the solvent was evaporated off under reduced pressure. The solid residue was recrystallized from acetronitrile to give 10 g of the title compound; m.p. 110°-113° C.

후처리

  1. concentrationThe resulting suspension was concentrated to dryness in vacuo
  2. extractionextracted once with 100 ml of ethyl ether
  3. extractionthe resulting suspension was extracted with methylene chloride
  4. dry with materialAfter drying the methylene chloride
  5. extractionextract over sodium sulfate
  6. customthe solvent was evaporated off under reduced pressure
  7. customThe solid residue was recrystallized from acetronitrile

출처 및 근거

ORD 기록
ord-67a2b6ee1c6142bf8e8bfb1664652da6
출처 데이터셋
uspto-grants-1989_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04810282

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