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2-Butoxyethanol → 2-Butoxyethyl Levulinate

HRID 25892
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HRID 25892 반응식
[CH2:1]([O:5][CH2:6][CH2:7]O)[CH2:2][CH2:3][CH3:4].[C:9]([OH:16])(=[O:15])[CH2:10][CH2:11][C:12]([CH3:14])=[O:13].CCCCCCCC(O[Sn](OC(CCCCCCC)=O)(CCCC)CCCC)=O>C1(C)C(C)=CC=CC=1>[C:9]([O:16][CH2:7][CH2:6][O:5][CH2:1][CH2:2][CH2:3][CH3:4])(=[O:15])[CH2:10][CH2:11][C:12]([CH3:14])=[O:13]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 81332-ButoxyethanolHCID 11579Levulinic AcidHCID 16683953Dibutyltin dioctanoate

생성물 1

HCID 213256432-Butoxyethyl Levulinate

시약·촉매·용매 1

HCID 7237O-Xylene용매

실험 절차

2 -Butoxyethanol (Butyl Cellosolve) 354g (3 mol), 232g (2 mol) levulinic acid and 1.5g dibutyl tin dioctoate were heated with a xylene azeotrope for 24 hours 151°-177° to AN 2.3 while collecting 42g water. Product was washed with sat. NaHCO3 and water, dried with anhy. MgSO4 and distilled. Ester product was collected in fr 2 and 3 120°-131° 1 mm. Yield was 349g, 81%, 96% ester product by gc.

후처리

  1. customwhile collecting 42g water
  2. washProduct was washed with sat. NaHCO3 and water
  3. customdried with anhy
  4. distillationMgSO4 and distilled
  5. customEster product was collected in fr 2 and 3 120°-131° 1 mm
  6. customYield

출처 및 근거

ORD 기록
ord-abc3c1bef80649e3acc4e6b3f41db6cd
출처 데이터셋
uspto-grants-1979_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04147686

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