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1-(1-Ethylpiperazin-4-yl)-3-bromoisoquinoline → 1-(4-Ethylpiperazin-1-yl)-3-(2-ethoxycarbonylindan-5-yl)isoquinoline

HRID 1251252
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1251252
[CH2:1]([O:3][C:4]([CH:6]1[CH2:14][C:13]2[C:8](=[CH:9][CH:10]=[C:11]([Sn](CCCC)(CCCC)CCCC)[CH:12]=2)[CH2:7]1)=[O:5])[CH3:2].Br[C:29]1[N:30]=[C:31]([N:39]2[CH2:44][CH2:43][N:42]([CH2:45][CH3:46])[CH2:41][CH2:40]2)[C:32]2[C:37]([CH:38]=1)=[CH:36][CH:35]=[CH:34][CH:33]=2>C1(C)C(C)=CC=CC=1.C(OCC)(=O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH2:45]([N:42]1[CH2:41][CH2:40][N:39]([C:31]2[C:32]3[C:37](=[CH:36][CH:35]=[CH:34][CH:33]=3)[CH:38]=[C:29]([C:11]3[CH:12]=[C:13]4[C:8](=[CH:9][CH:10]=3)[CH2:7][CH:6]([C:4]([O:3][CH2:1][CH3:2])=[O:5])[CH2:14]4)[N:30]=2)[CH2:44][CH2:43]1)[CH3:46]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 2

HCID 225024471-(1-Ethylpiperazin-4-yl)-3-bromoisoquinolineHCID 225034712-Ethoxycarbonyl-5-(tributylstannyl)indane

Produkt 1

HCID 225026151-(4-Ethylpiperazin-1-yl)-3-(2-ethoxycarbonylindan-5-yl)isoquinolineAusbeute 90,8 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 178418397HCID 178418397, VerbindungKatalysator
HCID 7237
O-Xylene
Lösungsmittel
HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

2-Ethoxycarbonyl-5-(Tributylstannyl)indane (3.04 g) and 3-bromo-1-(4-ethylpiperazin-1-yl)isoquinoline (0.87 g) were heated under reflux overnight in the presence of tetrakistriphenylphosphinepalladium(0) (0.12 g) in xylene in nitrogen atmosphere. After cooling, the reaction solution was diluted with ethyl acetate and filtered. The filtrate was extracted with 2N hydrochloric acid, and the resulting aqueous layer was washed with ethyl acetate, adjusted to pH 10 with a 8N aqueous solution of sodium hydroxide, and then extracted with ethyl acetate. The extract was washed with a 10% aqueous solution of sodium carbonate and brine, and dried over magnesium sulfate. The solvent was evaporated, to give 1-(4-ethylpiperazin-1-yl)-3-(2-ethoxycarbonylindan-5-yl)isoquinoline (1.06 g) as a brown viscous oil.

Aufarbeitung

  1. temperatureAfter cooling
  2. filtrationfiltered
  3. extractionThe filtrate was extracted with 2N hydrochloric acid
  4. washthe resulting aqueous layer was washed with ethyl acetate
  5. extractionextracted with ethyl acetate
  6. washThe extract was washed with a 10% aqueous solution of sodium carbonate and brine
  7. dry with materialdried over magnesium sulfate
  8. customThe solvent was evaporated

Quellen und Nachweise

ORD-Eintrag
ord-de42535068f34bdc8645a4f8a14b4d3c
Quelldatensatz
uspto-grants-2002_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06340759B1

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