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Ethyl isobutyrylacetate → HCID 178472908, 화합물

HRID 26821
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HRID 26821 반응식
[N:1]([O-:3])=O.[Na+].[C:5]([CH2:10][C:11]([O:13][CH2:14][CH3:15])=[O:12])(=[O:9])[CH:6]([CH3:8])[CH3:7]>O.C(O)(=O)C>[N:1](=[C:10]([C:5](=[O:9])[CH:6]([CH3:8])[CH3:7])[C:11]([O:13][CH2:14][CH3:15])=[O:12])[OH:3]
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참가 물질

5

반응물 2

HCID 81583Ethyl isobutyrylacetateHCID 23668193Sodium Nitrite

생성물 1

HCID 178472908HCID 178472908, 화합물수율 94.4%

시약·촉매·용매 2

HCID 176Acetic Acid용매HCID 962Water용매2회

실험 절차

A solution of sodium nitrite (43.8 g.) in water (92 ml.) was added dropwise, with stirring, to a solution of ethyl isobutyrylacetate (100.3 g.) in acetic acid (80 ml.) at 0°. After stirring at 0° for 30 minutes then at room temperature for 3 hours, water (100 ml.) was added and the mixture extracted with ether. The extracts were washed with water, saturated sodium bicarbonate solution and water. After drying (CaSO4), the solution was evaporated to give ethyl 2-oximino-4-methyl-3-oxopentanoate (112 g.) as a crude oil.

후처리

  1. waitat room temperature for 3 hours
  2. extractionthe mixture extracted with ether
  3. washThe extracts were washed with water, saturated sodium bicarbonate solution and water
  4. dry with materialAfter drying (CaSO4)
  5. customthe solution was evaporated

출처 및 근거

ORD 기록
ord-bad3ca5e608a484e9c01ae3860fbcf37
출처 데이터셋
uspto-grants-1979_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04151288

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