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Sodium Bicarbonate → (4R,5S,6S)-3-oxo-5-(2,2,2-trichloroethoxycarbonyloxy)-2,2,4,6-tetramethyl-8-nonenal

HRID 2181742
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HRID 2181742 반응식
C([O:4][CH:5](OC(C)C)[C:6]([CH3:27])([CH3:26])[C:7](=[O:25])[C@H:8]([CH3:24])[C@@H:9]([O:15][C:16]([O:18][CH2:19][C:20]([Cl:23])([Cl:22])[Cl:21])=[O:17])[C@@H:10]([CH3:14])[CH2:11][CH:12]=[CH2:13])(C)C.O.C1(C)C=CC(S(O)(=O)=O)=CC=1.C([O-])(O)=O.[Na+]>C1COCC1.O>[O:25]=[C:7]([C@H:8]([CH3:24])[C@@H:9]([O:15][C:16]([O:18][CH2:19][C:20]([Cl:21])([Cl:22])[Cl:23])=[O:17])[C@@H:10]([CH3:14])[CH2:11][CH:12]=[CH2:13])[C:6]([CH3:27])([CH3:26])[CH:5]=[O:4]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 516892Sodium BicarbonateHCID 521998p-Toluenesulfonic acid monohydrateHCID 86586616HCID 86586616, 화합물

생성물 1

HCID 11211787(4R,5S,6S)-3-oxo-5-(2,2,2-trichloroethoxycarbonyloxy)-2,2,4,6-tetramethyl-8-nonenal

시약·촉매·용매 1

HCID 21881883Oxolane--water (1/1)용매

실험 절차

A mixture of (4R,5S,6S)-1,1-diisopropoxy-5-(2,2,2-trichloroethoxycarbonyloxy)-2,2,4,6-tetramethyl-8-nonen-3-one (4.58 g) and p-toluenesulfonic acid monohydrate (0.45 g) in 100 mL of 3:1 THF/water is heated at reflux for 7 hours. The mixture is cooled and poured into sat. aq. NaHCO3, then extracted with ethyl acetate. The extract is dried over Na2SO4, filtered, and evaporated. The product is purified by chromatography on Sio2 (3% ethyl acetate/hexanes).

후처리

  1. temperatureis heated
  2. temperatureat reflux for 7 hours
  3. temperatureThe mixture is cooled
  4. extractionextracted with ethyl acetate
  5. dry with materialThe extract is dried over Na2SO4
  6. filtrationfiltered
  7. customevaporated
  8. customThe product is purified by chromatography on Sio2 (3% ethyl acetate/hexanes)

출처 및 근거

ORD 기록
ord-0e311817a3074bff848b646b06c12a72
출처 데이터셋
uspto-grants-2005_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06893859B2

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