Potassium Hydroxide → 3-(2-Ethylhexanoyloxy)-5,5-dimethyl-2-(2',5'-dimethylphenyl)-2-cyclohexenone

HRID 905143

반응식

HRID 905143 반응식
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([CH3:8])=[CH:4][C:3]=1[CH:9]1[C:14](=[O:15])[CH2:13][C:12]([CH3:17])([CH3:16])[CH2:11][C:10]1=[O:18].[OH-].[K+].[CH2:21]([CH:23]([CH2:27][CH2:28][CH2:29][CH3:30])[C:24](Cl)=[O:25])[CH3:22]>C1C=CC=CC=1.C1CC2OCCOCCOC3C(OCCOCCOC2CC1)CCCC3.CCOCC>[CH2:21]([CH:23]([CH2:27][CH2:28][CH2:29][CH3:30])[C:24]([O:18][C:10]1[CH2:11][C:12]([CH3:16])([CH3:17])[CH2:13][C:14](=[O:15])[C:9]=1[C:3]1[CH:4]=[C:5]([CH3:8])[CH:6]=[CH:7][C:2]=1[CH3:1])=[O:25])[CH3:22]

참가 물질

7

반응물 3

HCID 14797Potassium HydroxideHCID 791032-Ethylhexanoyl chlorideHCID 128766022-(2',5'-Dimethylphenyl)-5,5-dimethyl-1,3-cyclohexanedione

생성물 1

HCID 202065103-(2-Ethylhexanoyloxy)-5,5-dimethyl-2-(2',5'-dimethylphenyl)-2-cyclohexenone수율 92.3%

시약·촉매·용매 3

HCID 85955Dicyclohexano-18-crown-6촉매HCID 241Benzene용매HCID 3283Diethyl Ether용매

실험 절차

A suspension of 1.50 g (6.14 mmol) of 2-(2',5'-dimethylphenyl)-5,5-dimethyl-1,3-cyclohexanedione in 15 ml of dry benzene was prepared and 0.49 g (7.37 mmol) of 85% powdered potassium hydroxide was added, followed by 1 drop of dicyclohexyl-18-crown-6-ether. After stirring for 30 minutes, 1.20 g (7.37 mmol) of 2-ethylhexanoyl chloride was added, and the reaction mixture refluxed for 12 hrs. The reaction mixture was cooled to room temperature, taken up in 150 ml ether and 50 ml of water, washed three times with 0.25 N, NaOH, two times with water, two times with 6 N HCl, and once more with water. The ether solution was dried and stripped to leave 2.10 g (92% yield) of 3-(2-ethylhexanoyloxy)-5,5-dimethyl-2-(2',5'-dimethylphenyl)-2-cyclohexenone as a clear, colorless oil.

후처리

  1. customwas prepared
  2. additionwas added
  3. temperaturethe reaction mixture refluxed for 12 hrs
  4. wash50 ml of water, washed three times with 0.25 N, NaOH, two times with water, two times with 6 N HCl
  5. dry with materialThe ether solution was dried

출처 및 근거

ORD 기록
ord-d9aa4d897b7a423a83ed962dfc0becdd
출처 데이터셋
uspto-grants-1983_12
특허 번호
US04422870

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