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Hydrochloric Acid → Ethyl 1-(6-chloro-2,3,4,9-tetrahydro-1H-beta-carbolin-1-yl)cyclobutanecarboxylate Hydrochloride

HRID 1700363
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HRID 1700363 반응식
[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][CH:6]=[C:5]2[CH2:11][CH2:12][NH:13][C:14]([C:16]1([C:20]([O:22][CH2:23][CH3:24])=[O:21])[CH2:19][CH2:18][CH2:17]1)=O.O=P(Cl)(Cl)Cl.Cl>C1(C)C=CC=CC=1>[ClH:1].[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][C:6]1[CH:14]([C:16]3([C:20]([O:22][CH2:23][CH3:24])=[O:21])[CH2:19][CH2:18][CH2:17]3)[NH:13][CH2:12][CH2:11][C:5]2=1
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참가 물질

5

반응물 3

HCID 313Hydrochloric Acid2회HCID 24813Phosphorus oxychlorideHCID 11163887Ethyl 1-({[2-(5-chloro-1H-indol-3-yl)ethyl]amino}carbonyl)cyclobutanecarboxylate

생성물 1

HCID 18317933Ethyl 1-(6-chloro-2,3,4,9-tetrahydro-1H-beta-carbolin-1-yl)cyclobutanecarboxylate Hydrochloride

시약·촉매·용매 1

HCID 1140Toluene용매

실험 절차

32 g of the product obtained in Step A are heated at reflux in a solution of 400 ml of toluene and 35 ml of POCl3. After 3 hours, the reaction mixture is concentrated under reduced pressure, the residue is taken up in 300 ml of ethanol, and 5 g of sodium borohydride are slowly added. After 30 minutes, 300 ml of water are added and the ethanol is distilled off. After extraction of the residue with dichloromethane, drying and evaporation under reduced pressure, the oily residue obtained is converted into the hydrochloride in an ethanolic hydrogen chloride solution. The expected product is isolated by filtration and drying in vacuo.

후처리

  1. concentrationthe reaction mixture is concentrated under reduced pressure
  2. addition5 g of sodium borohydride are slowly added
  3. waitAfter 30 minutes
  4. addition300 ml of water are added
  5. distillationthe ethanol is distilled off
  6. extractionAfter extraction of the residue with dichloromethane
  7. customdrying
  8. customevaporation under reduced pressure
  9. customthe oily residue obtained

출처 및 근거

ORD 기록
ord-616e491ac5bd455682e9b3fd5465aff7
출처 데이터셋
uspto-grants-2002_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06350757B1

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