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Sodium Carbonate → 1,2-Epoxy-3,4-(dimethylmethylenedioxy)-5-hexene

HRID 1741950
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HRID 1741950 반응식
C1(C)C=CC(S(O[CH2:11][CH:12]([OH:22])[CH:13]2[O:19][C:18]([CH3:21])([CH3:20])[O:17][CH:14]2[CH:15]=[CH2:16])(=O)=O)=CC=1.C(=O)([O-])[O-].[Na+].[Na+]>CO>[O:22]1[CH:12]([CH:13]2[O:19][C:18]([CH3:20])([CH3:21])[O:17][CH:14]2[CH:15]=[CH2:16])[CH2:11]1
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참가 물질

4

반응물 2

HCID 10340Sodium CarbonateHCID 190109853,4-(Dimethylmethylenedioxy)-2-hydroxy-5-hexen-1-yl p-toluenesulfonate

생성물 1

HCID 100123231,2-Epoxy-3,4-(dimethylmethylenedioxy)-5-hexene수율 88.5%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

3,4-(Dimethylmethylenedioxy)-2-hydroxy-5-hexen-1-yl p-toluenesulfonate (17.88 g) was dissolved in ml of methanol, and 17.11 g of anhydrous sodium carbonate was added at room temperature, followed by stirring the mixture for 15 minutes. The reaction mixture was filtered through Celite, and crystals were washed with diethyl ether. After the filtrate was concentrated, the solid was filtered through a silica gel column. The filtrate was concentrated under reduced pressure to obtain 7.87 g of 1,2-epoxy-3,4-(dimethylmethylenedioxy)-5-hexene having the following properties.

후처리

  1. additionwas added at room temperature
  2. filtrationThe reaction mixture was filtered through Celite, and crystals
  3. washwere washed with diethyl ether
  4. concentrationAfter the filtrate was concentrated
  5. filtrationthe solid was filtered through a silica gel column
  6. concentrationThe filtrate was concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-f33abe414fcb46f6954500ae52f20fcb
출처 데이터셋
uspto-grants-1994_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05334740

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