Water → 2-Cyclopenten-1-one, 2-pentyl-

HRID 1073696노트

반응식

HRID 1073696 반응식
[C:1]1([CH3:11])[CH:6]=[CH:5][C:4](S(O)(=O)=O)=[CH:3][CH:2]=1.[C:12]1([CH3:19])C(C)=CC=C[CH:17]=1.[OH2:20]>>[CH2:1]([C:6]1[C:5](=[O:20])[CH2:4][CH2:3][CH:2]=1)[CH2:11][CH2:17][CH2:12][CH3:19]

참가 물질

4

반응물 3

HCID 962WaterHCID 6101p-Toluenesulfonic acidHCID 7237O-Xylene

생성물 1

HCID 1175492-Cyclopenten-1-one, 2-pentyl-수율 96%

실험 절차

The above prepared mixture (18 parts) was admixed with p-toluenesulfonic acid (0.9 part) and xylene (54 parts) and refluxed for 2 hours, during which by-produced water was eliminated by azeotropic distillation. The reaction mixture was treated as in Example 1 to give 2-n-pentyl-2-cyclopentenone in a yield of 96 %.

후처리

  1. customThe above prepared mixture (18 parts)
  2. temperaturerefluxed for 2 hours, during which
  3. distillationwas eliminated by azeotropic distillation
  4. additionThe reaction mixture was treated as in Example 1

출처 및 근거

ORD 기록
ord-1f4b2bb8a9b546deb9ab88f87d2de5af
출처 데이터셋
uspto-grants-1990_11
특허 번호
US04970345

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